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author | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
commit | 82bcbebce43f0227f506d75a5b764b6847041bae (patch) | |
tree | fe9f8597b48a430c4daeb5123e3e8eb28e6f9da9 /gcc-4.7/libgo/go/crypto | |
parent | 3c052de3bb16ac53b6b6ed659ec7557eb84c7590 (diff) | |
download | toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.tar.gz toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.tar.bz2 toolchain_gcc-82bcbebce43f0227f506d75a5b764b6847041bae.zip |
Initial check-in of gcc 4.7.2.
Change-Id: I4a2f5a921c21741a0e18bda986d77e5f1bef0365
Diffstat (limited to 'gcc-4.7/libgo/go/crypto')
86 files changed, 19286 insertions, 0 deletions
diff --git a/gcc-4.7/libgo/go/crypto/aes/aes_test.go b/gcc-4.7/libgo/go/crypto/aes/aes_test.go new file mode 100644 index 000000000..e500c666d --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/aes/aes_test.go @@ -0,0 +1,366 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package aes + +import ( + "testing" +) + +// See const.go for overview of math here. + +// Test that powx is initialized correctly. +// (Can adapt this code to generate it too.) +func TestPowx(t *testing.T) { + p := 1 + for i := 0; i < len(powx); i++ { + if powx[i] != byte(p) { + t.Errorf("powx[%d] = %#x, want %#x", i, powx[i], p) + } + p <<= 1 + if p&0x100 != 0 { + p ^= poly + } + } +} + +// Multiply b and c as GF(2) polynomials modulo poly +func mul(b, c uint32) uint32 { + i := b + j := c + s := uint32(0) + for k := uint32(1); k < 0x100 && j != 0; k <<= 1 { + // Invariant: k == 1<<n, i == b * xⁿ + + if j&k != 0 { + // s += i in GF(2); xor in binary + s ^= i + j ^= k // turn off bit to end loop early + } + + // i *= x in GF(2) modulo the polynomial + i <<= 1 + if i&0x100 != 0 { + i ^= poly + } + } + return s +} + +// Test all mul inputs against bit-by-bit n² algorithm. +func TestMul(t *testing.T) { + for i := uint32(0); i < 256; i++ { + for j := uint32(0); j < 256; j++ { + // Multiply i, j bit by bit. + s := uint8(0) + for k := uint(0); k < 8; k++ { + for l := uint(0); l < 8; l++ { + if i&(1<<k) != 0 && j&(1<<l) != 0 { + s ^= powx[k+l] + } + } + } + if x := mul(i, j); x != uint32(s) { + t.Fatalf("mul(%#x, %#x) = %#x, want %#x", i, j, x, s) + } + } + } +} + +// Check that S-boxes are inverses of each other. +// They have more structure that we could test, +// but if this sanity check passes, we'll assume +// the cut and paste from the FIPS PDF worked. +func TestSboxes(t *testing.T) { + for i := 0; i < 256; i++ { + if j := sbox0[sbox1[i]]; j != byte(i) { + t.Errorf("sbox0[sbox1[%#x]] = %#x", i, j) + } + if j := sbox1[sbox0[i]]; j != byte(i) { + t.Errorf("sbox1[sbox0[%#x]] = %#x", i, j) + } + } +} + +// Test that encryption tables are correct. +// (Can adapt this code to generate them too.) +func TestTe(t *testing.T) { + for i := 0; i < 256; i++ { + s := uint32(sbox0[i]) + s2 := mul(s, 2) + s3 := mul(s, 3) + w := s2<<24 | s<<16 | s<<8 | s3 + te := [][256]uint32{te0, te1, te2, te3} + for j := 0; j < 4; j++ { + if x := te[j][i]; x != w { + t.Fatalf("te[%d][%d] = %#x, want %#x", j, i, x, w) + } + w = w<<24 | w>>8 + } + } +} + +// Test that decryption tables are correct. +// (Can adapt this code to generate them too.) +func TestTd(t *testing.T) { + for i := 0; i < 256; i++ { + s := uint32(sbox1[i]) + s9 := mul(s, 0x9) + sb := mul(s, 0xb) + sd := mul(s, 0xd) + se := mul(s, 0xe) + w := se<<24 | s9<<16 | sd<<8 | sb + td := [][256]uint32{td0, td1, td2, td3} + for j := 0; j < 4; j++ { + if x := td[j][i]; x != w { + t.Fatalf("td[%d][%d] = %#x, want %#x", j, i, x, w) + } + w = w<<24 | w>>8 + } + } +} + +// Test vectors are from FIPS 197: +// http://www.csrc.nist.gov/publications/fips/fips197/fips-197.pdf + +// Appendix A of FIPS 197: Key expansion examples +type KeyTest struct { + key []byte + enc []uint32 + dec []uint32 // decryption expansion; not in FIPS 197, computed from C implementation. +} + +var keyTests = []KeyTest{ + { + // A.1. Expansion of a 128-bit Cipher Key + []byte{0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c}, + []uint32{ + 0x2b7e1516, 0x28aed2a6, 0xabf71588, 0x09cf4f3c, + 0xa0fafe17, 0x88542cb1, 0x23a33939, 0x2a6c7605, + 0xf2c295f2, 0x7a96b943, 0x5935807a, 0x7359f67f, + 0x3d80477d, 0x4716fe3e, 0x1e237e44, 0x6d7a883b, + 0xef44a541, 0xa8525b7f, 0xb671253b, 0xdb0bad00, + 0xd4d1c6f8, 0x7c839d87, 0xcaf2b8bc, 0x11f915bc, + 0x6d88a37a, 0x110b3efd, 0xdbf98641, 0xca0093fd, + 0x4e54f70e, 0x5f5fc9f3, 0x84a64fb2, 0x4ea6dc4f, + 0xead27321, 0xb58dbad2, 0x312bf560, 0x7f8d292f, + 0xac7766f3, 0x19fadc21, 0x28d12941, 0x575c006e, + 0xd014f9a8, 0xc9ee2589, 0xe13f0cc8, 0xb6630ca6, + }, + []uint32{ + 0xd014f9a8, 0xc9ee2589, 0xe13f0cc8, 0xb6630ca6, + 0xc7b5a63, 0x1319eafe, 0xb0398890, 0x664cfbb4, + 0xdf7d925a, 0x1f62b09d, 0xa320626e, 0xd6757324, + 0x12c07647, 0xc01f22c7, 0xbc42d2f3, 0x7555114a, + 0x6efcd876, 0xd2df5480, 0x7c5df034, 0xc917c3b9, + 0x6ea30afc, 0xbc238cf6, 0xae82a4b4, 0xb54a338d, + 0x90884413, 0xd280860a, 0x12a12842, 0x1bc89739, + 0x7c1f13f7, 0x4208c219, 0xc021ae48, 0x969bf7b, + 0xcc7505eb, 0x3e17d1ee, 0x82296c51, 0xc9481133, + 0x2b3708a7, 0xf262d405, 0xbc3ebdbf, 0x4b617d62, + 0x2b7e1516, 0x28aed2a6, 0xabf71588, 0x9cf4f3c, + }, + }, + { + // A.2. Expansion of a 192-bit Cipher Key + []byte{ + 0x8e, 0x73, 0xb0, 0xf7, 0xda, 0x0e, 0x64, 0x52, 0xc8, 0x10, 0xf3, 0x2b, 0x80, 0x90, 0x79, 0xe5, + 0x62, 0xf8, 0xea, 0xd2, 0x52, 0x2c, 0x6b, 0x7b, + }, + []uint32{ + 0x8e73b0f7, 0xda0e6452, 0xc810f32b, 0x809079e5, + 0x62f8ead2, 0x522c6b7b, 0xfe0c91f7, 0x2402f5a5, + 0xec12068e, 0x6c827f6b, 0x0e7a95b9, 0x5c56fec2, + 0x4db7b4bd, 0x69b54118, 0x85a74796, 0xe92538fd, + 0xe75fad44, 0xbb095386, 0x485af057, 0x21efb14f, + 0xa448f6d9, 0x4d6dce24, 0xaa326360, 0x113b30e6, + 0xa25e7ed5, 0x83b1cf9a, 0x27f93943, 0x6a94f767, + 0xc0a69407, 0xd19da4e1, 0xec1786eb, 0x6fa64971, + 0x485f7032, 0x22cb8755, 0xe26d1352, 0x33f0b7b3, + 0x40beeb28, 0x2f18a259, 0x6747d26b, 0x458c553e, + 0xa7e1466c, 0x9411f1df, 0x821f750a, 0xad07d753, + 0xca400538, 0x8fcc5006, 0x282d166a, 0xbc3ce7b5, + 0xe98ba06f, 0x448c773c, 0x8ecc7204, 0x01002202, + }, + nil, + }, + { + // A.3. Expansion of a 256-bit Cipher Key + []byte{ + 0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe, 0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81, + 0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7, 0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4, + }, + []uint32{ + 0x603deb10, 0x15ca71be, 0x2b73aef0, 0x857d7781, + 0x1f352c07, 0x3b6108d7, 0x2d9810a3, 0x0914dff4, + 0x9ba35411, 0x8e6925af, 0xa51a8b5f, 0x2067fcde, + 0xa8b09c1a, 0x93d194cd, 0xbe49846e, 0xb75d5b9a, + 0xd59aecb8, 0x5bf3c917, 0xfee94248, 0xde8ebe96, + 0xb5a9328a, 0x2678a647, 0x98312229, 0x2f6c79b3, + 0x812c81ad, 0xdadf48ba, 0x24360af2, 0xfab8b464, + 0x98c5bfc9, 0xbebd198e, 0x268c3ba7, 0x09e04214, + 0x68007bac, 0xb2df3316, 0x96e939e4, 0x6c518d80, + 0xc814e204, 0x76a9fb8a, 0x5025c02d, 0x59c58239, + 0xde136967, 0x6ccc5a71, 0xfa256395, 0x9674ee15, + 0x5886ca5d, 0x2e2f31d7, 0x7e0af1fa, 0x27cf73c3, + 0x749c47ab, 0x18501dda, 0xe2757e4f, 0x7401905a, + 0xcafaaae3, 0xe4d59b34, 0x9adf6ace, 0xbd10190d, + 0xfe4890d1, 0xe6188d0b, 0x046df344, 0x706c631e, + }, + nil, + }, +} + +// Test key expansion against FIPS 197 examples. +func TestExpandKey(t *testing.T) { +L: + for i, tt := range keyTests { + enc := make([]uint32, len(tt.enc)) + var dec []uint32 + if tt.dec != nil { + dec = make([]uint32, len(tt.dec)) + } + expandKey(tt.key, enc, dec) + for j, v := range enc { + if v != tt.enc[j] { + t.Errorf("key %d: enc[%d] = %#x, want %#x", i, j, v, tt.enc[j]) + continue L + } + } + if dec != nil { + for j, v := range dec { + if v != tt.dec[j] { + t.Errorf("key %d: dec[%d] = %#x, want %#x", i, j, v, tt.dec[j]) + continue L + } + } + } + } +} + +// Appendix B, C of FIPS 197: Cipher examples, Example vectors. +type CryptTest struct { + key []byte + in []byte + out []byte +} + +var encryptTests = []CryptTest{ + { + // Appendix B. + []byte{0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c}, + []byte{0x32, 0x43, 0xf6, 0xa8, 0x88, 0x5a, 0x30, 0x8d, 0x31, 0x31, 0x98, 0xa2, 0xe0, 0x37, 0x07, 0x34}, + []byte{0x39, 0x25, 0x84, 0x1d, 0x02, 0xdc, 0x09, 0xfb, 0xdc, 0x11, 0x85, 0x97, 0x19, 0x6a, 0x0b, 0x32}, + }, + { + // Appendix C.1. AES-128 + []byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f}, + []byte{0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}, + []byte{0x69, 0xc4, 0xe0, 0xd8, 0x6a, 0x7b, 0x04, 0x30, 0xd8, 0xcd, 0xb7, 0x80, 0x70, 0xb4, 0xc5, 0x5a}, + }, + { + // Appendix C.2. AES-192 + []byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + }, + []byte{0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}, + []byte{0xdd, 0xa9, 0x7c, 0xa4, 0x86, 0x4c, 0xdf, 0xe0, 0x6e, 0xaf, 0x70, 0xa0, 0xec, 0x0d, 0x71, 0x91}, + }, + { + // Appendix C.3. AES-256 + []byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + }, + []byte{0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}, + []byte{0x8e, 0xa2, 0xb7, 0xca, 0x51, 0x67, 0x45, 0xbf, 0xea, 0xfc, 0x49, 0x90, 0x4b, 0x49, 0x60, 0x89}, + }, +} + +// Test encryptBlock against FIPS 197 examples. +func TestEncryptBlock(t *testing.T) { + for i, tt := range encryptTests { + n := len(tt.key) + 28 + enc := make([]uint32, n) + dec := make([]uint32, n) + expandKey(tt.key, enc, dec) + out := make([]byte, len(tt.in)) + encryptBlock(enc, out, tt.in) + for j, v := range out { + if v != tt.out[j] { + t.Errorf("encryptBlock %d: out[%d] = %#x, want %#x", i, j, v, tt.out[j]) + break + } + } + } +} + +// Test decryptBlock against FIPS 197 examples. +func TestDecryptBlock(t *testing.T) { + for i, tt := range encryptTests { + n := len(tt.key) + 28 + enc := make([]uint32, n) + dec := make([]uint32, n) + expandKey(tt.key, enc, dec) + plain := make([]byte, len(tt.in)) + decryptBlock(dec, plain, tt.out) + for j, v := range plain { + if v != tt.in[j] { + t.Errorf("decryptBlock %d: plain[%d] = %#x, want %#x", i, j, v, tt.in[j]) + break + } + } + } +} + +// Test Cipher Encrypt method against FIPS 197 examples. +func TestCipherEncrypt(t *testing.T) { + for i, tt := range encryptTests { + c, err := NewCipher(tt.key) + if err != nil { + t.Errorf("NewCipher(%d bytes) = %s", len(tt.key), err) + continue + } + out := make([]byte, len(tt.in)) + c.Encrypt(out, tt.in) + for j, v := range out { + if v != tt.out[j] { + t.Errorf("Cipher.Encrypt %d: out[%d] = %#x, want %#x", i, j, v, tt.out[j]) + break + } + } + } +} + +// Test Cipher Decrypt against FIPS 197 examples. +func TestCipherDecrypt(t *testing.T) { + for i, tt := range encryptTests { + c, err := NewCipher(tt.key) + if err != nil { + t.Errorf("NewCipher(%d bytes) = %s", len(tt.key), err) + continue + } + plain := make([]byte, len(tt.in)) + c.Decrypt(plain, tt.out) + for j, v := range plain { + if v != tt.in[j] { + t.Errorf("decryptBlock %d: plain[%d] = %#x, want %#x", i, j, v, tt.in[j]) + break + } + } + } +} + +func BenchmarkEncrypt(b *testing.B) { + b.StopTimer() + tt := encryptTests[0] + c, err := NewCipher(tt.key) + if err != nil { + b.Fatal("NewCipher:", err) + } + out := make([]byte, len(tt.in)) + b.StartTimer() + for i := 0; i < b.N; i++ { + c.Encrypt(out, tt.in) + } +} diff --git a/gcc-4.7/libgo/go/crypto/aes/block.go b/gcc-4.7/libgo/go/crypto/aes/block.go new file mode 100644 index 000000000..b930787ce --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/aes/block.go @@ -0,0 +1,176 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// This Go implementation is derived in part from the reference +// ANSI C implementation, which carries the following notice: +// +// rijndael-alg-fst.c +// +// @version 3.0 (December 2000) +// +// Optimised ANSI C code for the Rijndael cipher (now AES) +// +// @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> +// @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> +// @author Paulo Barreto <paulo.barreto@terra.com.br> +// +// This code is hereby placed in the public domain. +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS +// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +// ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE +// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR +// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, +// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// See FIPS 197 for specification, and see Daemen and Rijmen's Rijndael submission +// for implementation details. +// http://www.csrc.nist.gov/publications/fips/fips197/fips-197.pdf +// http://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf + +package aes + +// Encrypt one block from src into dst, using the expanded key xk. +func encryptBlock(xk []uint32, dst, src []byte) { + var s0, s1, s2, s3, t0, t1, t2, t3 uint32 + + s0 = uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3]) + s1 = uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7]) + s2 = uint32(src[8])<<24 | uint32(src[9])<<16 | uint32(src[10])<<8 | uint32(src[11]) + s3 = uint32(src[12])<<24 | uint32(src[13])<<16 | uint32(src[14])<<8 | uint32(src[15]) + + // First round just XORs input with key. + s0 ^= xk[0] + s1 ^= xk[1] + s2 ^= xk[2] + s3 ^= xk[3] + + // Middle rounds shuffle using tables. + // Number of rounds is set by length of expanded key. + nr := len(xk)/4 - 2 // - 2: one above, one more below + k := 4 + for r := 0; r < nr; r++ { + t0 = xk[k+0] ^ te0[uint8(s0>>24)] ^ te1[uint8(s1>>16)] ^ te2[uint8(s2>>8)] ^ te3[uint8(s3)] + t1 = xk[k+1] ^ te0[uint8(s1>>24)] ^ te1[uint8(s2>>16)] ^ te2[uint8(s3>>8)] ^ te3[uint8(s0)] + t2 = xk[k+2] ^ te0[uint8(s2>>24)] ^ te1[uint8(s3>>16)] ^ te2[uint8(s0>>8)] ^ te3[uint8(s1)] + t3 = xk[k+3] ^ te0[uint8(s3>>24)] ^ te1[uint8(s0>>16)] ^ te2[uint8(s1>>8)] ^ te3[uint8(s2)] + k += 4 + s0, s1, s2, s3 = t0, t1, t2, t3 + } + + // Last round uses s-box directly and XORs to produce output. + s0 = uint32(sbox0[t0>>24])<<24 | uint32(sbox0[t1>>16&0xff])<<16 | uint32(sbox0[t2>>8&0xff])<<8 | uint32(sbox0[t3&0xff]) + s1 = uint32(sbox0[t1>>24])<<24 | uint32(sbox0[t2>>16&0xff])<<16 | uint32(sbox0[t3>>8&0xff])<<8 | uint32(sbox0[t0&0xff]) + s2 = uint32(sbox0[t2>>24])<<24 | uint32(sbox0[t3>>16&0xff])<<16 | uint32(sbox0[t0>>8&0xff])<<8 | uint32(sbox0[t1&0xff]) + s3 = uint32(sbox0[t3>>24])<<24 | uint32(sbox0[t0>>16&0xff])<<16 | uint32(sbox0[t1>>8&0xff])<<8 | uint32(sbox0[t2&0xff]) + + s0 ^= xk[k+0] + s1 ^= xk[k+1] + s2 ^= xk[k+2] + s3 ^= xk[k+3] + + dst[0], dst[1], dst[2], dst[3] = byte(s0>>24), byte(s0>>16), byte(s0>>8), byte(s0) + dst[4], dst[5], dst[6], dst[7] = byte(s1>>24), byte(s1>>16), byte(s1>>8), byte(s1) + dst[8], dst[9], dst[10], dst[11] = byte(s2>>24), byte(s2>>16), byte(s2>>8), byte(s2) + dst[12], dst[13], dst[14], dst[15] = byte(s3>>24), byte(s3>>16), byte(s3>>8), byte(s3) +} + +// Decrypt one block from src into dst, using the expanded key xk. +func decryptBlock(xk []uint32, dst, src []byte) { + var s0, s1, s2, s3, t0, t1, t2, t3 uint32 + + s0 = uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3]) + s1 = uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7]) + s2 = uint32(src[8])<<24 | uint32(src[9])<<16 | uint32(src[10])<<8 | uint32(src[11]) + s3 = uint32(src[12])<<24 | uint32(src[13])<<16 | uint32(src[14])<<8 | uint32(src[15]) + + // First round just XORs input with key. + s0 ^= xk[0] + s1 ^= xk[1] + s2 ^= xk[2] + s3 ^= xk[3] + + // Middle rounds shuffle using tables. + // Number of rounds is set by length of expanded key. + nr := len(xk)/4 - 2 // - 2: one above, one more below + k := 4 + for r := 0; r < nr; r++ { + t0 = xk[k+0] ^ td0[uint8(s0>>24)] ^ td1[uint8(s3>>16)] ^ td2[uint8(s2>>8)] ^ td3[uint8(s1)] + t1 = xk[k+1] ^ td0[uint8(s1>>24)] ^ td1[uint8(s0>>16)] ^ td2[uint8(s3>>8)] ^ td3[uint8(s2)] + t2 = xk[k+2] ^ td0[uint8(s2>>24)] ^ td1[uint8(s1>>16)] ^ td2[uint8(s0>>8)] ^ td3[uint8(s3)] + t3 = xk[k+3] ^ td0[uint8(s3>>24)] ^ td1[uint8(s2>>16)] ^ td2[uint8(s1>>8)] ^ td3[uint8(s0)] + k += 4 + s0, s1, s2, s3 = t0, t1, t2, t3 + } + + // Last round uses s-box directly and XORs to produce output. + s0 = uint32(sbox1[t0>>24])<<24 | uint32(sbox1[t3>>16&0xff])<<16 | uint32(sbox1[t2>>8&0xff])<<8 | uint32(sbox1[t1&0xff]) + s1 = uint32(sbox1[t1>>24])<<24 | uint32(sbox1[t0>>16&0xff])<<16 | uint32(sbox1[t3>>8&0xff])<<8 | uint32(sbox1[t2&0xff]) + s2 = uint32(sbox1[t2>>24])<<24 | uint32(sbox1[t1>>16&0xff])<<16 | uint32(sbox1[t0>>8&0xff])<<8 | uint32(sbox1[t3&0xff]) + s3 = uint32(sbox1[t3>>24])<<24 | uint32(sbox1[t2>>16&0xff])<<16 | uint32(sbox1[t1>>8&0xff])<<8 | uint32(sbox1[t0&0xff]) + + s0 ^= xk[k+0] + s1 ^= xk[k+1] + s2 ^= xk[k+2] + s3 ^= xk[k+3] + + dst[0], dst[1], dst[2], dst[3] = byte(s0>>24), byte(s0>>16), byte(s0>>8), byte(s0) + dst[4], dst[5], dst[6], dst[7] = byte(s1>>24), byte(s1>>16), byte(s1>>8), byte(s1) + dst[8], dst[9], dst[10], dst[11] = byte(s2>>24), byte(s2>>16), byte(s2>>8), byte(s2) + dst[12], dst[13], dst[14], dst[15] = byte(s3>>24), byte(s3>>16), byte(s3>>8), byte(s3) +} + +// Apply sbox0 to each byte in w. +func subw(w uint32) uint32 { + return uint32(sbox0[w>>24])<<24 | + uint32(sbox0[w>>16&0xff])<<16 | + uint32(sbox0[w>>8&0xff])<<8 | + uint32(sbox0[w&0xff]) +} + +// Rotate +func rotw(w uint32) uint32 { return w<<8 | w>>24 } + +// Key expansion algorithm. See FIPS-197, Figure 11. +// Their rcon[i] is our powx[i-1] << 24. +func expandKey(key []byte, enc, dec []uint32) { + // Encryption key setup. + var i int + nk := len(key) / 4 + for i = 0; i < nk; i++ { + enc[i] = uint32(key[4*i])<<24 | uint32(key[4*i+1])<<16 | uint32(key[4*i+2])<<8 | uint32(key[4*i+3]) + } + for ; i < len(enc); i++ { + t := enc[i-1] + if i%nk == 0 { + t = subw(rotw(t)) ^ (uint32(powx[i/nk-1]) << 24) + } else if nk > 6 && i%nk == 4 { + t = subw(t) + } + enc[i] = enc[i-nk] ^ t + } + + // Derive decryption key from encryption key. + // Reverse the 4-word round key sets from enc to produce dec. + // All sets but the first and last get the MixColumn transform applied. + if dec == nil { + return + } + n := len(enc) + for i := 0; i < n; i += 4 { + ei := n - i - 4 + for j := 0; j < 4; j++ { + x := enc[ei+j] + if i > 0 && i+4 < n { + x = td0[sbox0[x>>24]] ^ td1[sbox0[x>>16&0xff]] ^ td2[sbox0[x>>8&0xff]] ^ td3[sbox0[x&0xff]] + } + dec[i+j] = x + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/aes/cipher.go b/gcc-4.7/libgo/go/crypto/aes/cipher.go new file mode 100644 index 000000000..7d307c93a --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/aes/cipher.go @@ -0,0 +1,50 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package aes + +import ( + "crypto/cipher" + "strconv" +) + +// The AES block size in bytes. +const BlockSize = 16 + +// A cipher is an instance of AES encryption using a particular key. +type aesCipher struct { + enc []uint32 + dec []uint32 +} + +type KeySizeError int + +func (k KeySizeError) Error() string { + return "crypto/aes: invalid key size " + strconv.Itoa(int(k)) +} + +// NewCipher creates and returns a new cipher.Block. +// The key argument should be the AES key, +// either 16, 24, or 32 bytes to select +// AES-128, AES-192, or AES-256. +func NewCipher(key []byte) (cipher.Block, error) { + k := len(key) + switch k { + default: + return nil, KeySizeError(k) + case 16, 24, 32: + break + } + + n := k + 28 + c := &aesCipher{make([]uint32, n), make([]uint32, n)} + expandKey(key, c.enc, c.dec) + return c, nil +} + +func (c *aesCipher) BlockSize() int { return BlockSize } + +func (c *aesCipher) Encrypt(dst, src []byte) { encryptBlock(c.enc, dst, src) } + +func (c *aesCipher) Decrypt(dst, src []byte) { decryptBlock(c.dec, dst, src) } diff --git a/gcc-4.7/libgo/go/crypto/aes/const.go b/gcc-4.7/libgo/go/crypto/aes/const.go new file mode 100644 index 000000000..aee73a7c5 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/aes/const.go @@ -0,0 +1,358 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package aes implements AES encryption (formerly Rijndael), as defined in +// U.S. Federal Information Processing Standards Publication 197. +package aes + +// This file contains AES constants - 8720 bytes of initialized data. + +// http://www.csrc.nist.gov/publications/fips/fips197/fips-197.pdf + +// AES is based on the mathematical behavior of binary polynomials +// (polynomials over GF(2)) modulo the irreducible polynomial x⁸ + x⁴ + x³ + x + 1. +// Addition of these binary polynomials corresponds to binary xor. +// Reducing mod poly corresponds to binary xor with poly every +// time a 0x100 bit appears. +const poly = 1<<8 | 1<<4 | 1<<3 | 1<<1 | 1<<0 // x⁸ + x⁴ + x³ + x + 1 + +// Powers of x mod poly in GF(2). +var powx = [16]byte{ + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, +} + +// FIPS-197 Figure 7. S-box substitution values in hexadecimal format. +var sbox0 = [256]byte{ + 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, + 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, + 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, + 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, + 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, + 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, + 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, + 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, + 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, + 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, + 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16, +} + +// FIPS-197 Figure 14. Inverse S-box substitution values in hexadecimal format. +var sbox1 = [256]byte{ + 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, + 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, + 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, + 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, + 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, + 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, + 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, + 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, + 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, + 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, + 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, + 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, + 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, + 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, + 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d, +} + +// Lookup tables for encryption. +// These can be recomputed by adapting the tests in aes_test.go. + +var te0 = [256]uint32{ + 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, + 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, + 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, + 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, + 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, + 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, + 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5, + 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, + 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, + 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, + 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, + 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, + 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, + 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, + 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a, 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, + 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, + 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, + 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, + 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883, + 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, + 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, + 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, + 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, + 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, + 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, + 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, + 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, + 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, + 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, + 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, + 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, + 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a, +} +var te1 = [256]uint32{ + 0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b, 0x0dfff2f2, 0xbdd66b6b, 0xb1de6f6f, 0x5491c5c5, + 0x50603030, 0x03020101, 0xa9ce6767, 0x7d562b2b, 0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676, + 0x458fcaca, 0x9d1f8282, 0x4089c9c9, 0x87fa7d7d, 0x15effafa, 0xebb25959, 0xc98e4747, 0x0bfbf0f0, + 0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf, 0xbf239c9c, 0xf753a4a4, 0x96e47272, 0x5b9bc0c0, + 0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626, 0x5a6c3636, 0x417e3f3f, 0x02f5f7f7, 0x4f83cccc, + 0x5c683434, 0xf451a5a5, 0x34d1e5e5, 0x08f9f1f1, 0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515, + 0x0c080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3, 0x28301818, 0xa1379696, 0x0f0a0505, 0xb52f9a9a, + 0x090e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2, 0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575, + 0x1b120909, 0x9e1d8383, 0x74582c2c, 0x2e341a1a, 0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0, + 0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3, 0x7b522929, 0x3edde3e3, 0x715e2f2f, 0x97138484, + 0xf5a65353, 0x68b9d1d1, 0x00000000, 0x2cc1eded, 0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b, + 0xbed46a6a, 0x468dcbcb, 0xd967bebe, 0x4b723939, 0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf, + 0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb, 0xc5864343, 0xd79a4d4d, 0x55663333, 0x94118585, + 0xcf8a4545, 0x10e9f9f9, 0x06040202, 0x81fe7f7f, 0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8, + 0xf3a25151, 0xfe5da3a3, 0xc0804040, 0x8a058f8f, 0xad3f9292, 0xbc219d9d, 0x48703838, 0x04f1f5f5, + 0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121, 0x30201010, 0x1ae5ffff, 0x0efdf3f3, 0x6dbfd2d2, + 0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec, 0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717, + 0x5793c4c4, 0xf255a7a7, 0x82fc7e7e, 0x477a3d3d, 0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373, + 0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc, 0x66442222, 0x7e542a2a, 0xab3b9090, 0x830b8888, + 0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414, 0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb, + 0x3bdbe0e0, 0x56643232, 0x4e743a3a, 0x1e140a0a, 0xdb924949, 0x0a0c0606, 0x6c482424, 0xe4b85c5c, + 0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262, 0xa8399191, 0xa4319595, 0x37d3e4e4, 0x8bf27979, + 0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d, 0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9, + 0xb4d86c6c, 0xfaac5656, 0x07f3f4f4, 0x25cfeaea, 0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808, + 0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e, 0x24381c1c, 0xf157a6a6, 0xc773b4b4, 0x5197c6c6, + 0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f, 0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a, + 0x90e07070, 0x427c3e3e, 0xc471b5b5, 0xaacc6666, 0xd8904848, 0x05060303, 0x01f7f6f6, 0x121c0e0e, + 0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9, 0x91178686, 0x5899c1c1, 0x273a1d1d, 0xb9279e9e, + 0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111, 0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494, + 0xb62d9b9b, 0x223c1e1e, 0x92158787, 0x20c9e9e9, 0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf, + 0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d, 0xda65bfbf, 0x31d7e6e6, 0xc6844242, 0xb8d06868, + 0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f, 0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616, +} +var te2 = [256]uint32{ + 0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b, 0xf20dfff2, 0x6bbdd66b, 0x6fb1de6f, 0xc55491c5, + 0x30506030, 0x01030201, 0x67a9ce67, 0x2b7d562b, 0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76, + 0xca458fca, 0x829d1f82, 0xc94089c9, 0x7d87fa7d, 0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0, + 0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af, 0x9cbf239c, 0xa4f753a4, 0x7296e472, 0xc05b9bc0, + 0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26, 0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc, + 0x345c6834, 0xa5f451a5, 0xe534d1e5, 0xf108f9f1, 0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15, + 0x040c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3, 0x18283018, 0x96a13796, 0x050f0a05, 0x9ab52f9a, + 0x07090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2, 0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75, + 0x091b1209, 0x839e1d83, 0x2c74582c, 0x1a2e341a, 0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0, + 0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3, 0x297b5229, 0xe33edde3, 0x2f715e2f, 0x84971384, + 0x53f5a653, 0xd168b9d1, 0x00000000, 0xed2cc1ed, 0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b, + 0x6abed46a, 0xcb468dcb, 0xbed967be, 0x394b7239, 0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf, + 0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb, 0x43c58643, 0x4dd79a4d, 0x33556633, 0x85941185, + 0x45cf8a45, 0xf910e9f9, 0x02060402, 0x7f81fe7f, 0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8, + 0x51f3a251, 0xa3fe5da3, 0x40c08040, 0x8f8a058f, 0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5, + 0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221, 0x10302010, 0xff1ae5ff, 0xf30efdf3, 0xd26dbfd2, + 0xcd4c81cd, 0x0c14180c, 0x13352613, 0xec2fc3ec, 0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17, + 0xc45793c4, 0xa7f255a7, 0x7e82fc7e, 0x3d477a3d, 0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673, + 0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc, 0x22664422, 0x2a7e542a, 0x90ab3b90, 0x88830b88, + 0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814, 0xde79a7de, 0x5ee2bc5e, 0x0b1d160b, 0xdb76addb, + 0xe03bdbe0, 0x32566432, 0x3a4e743a, 0x0a1e140a, 0x49db9249, 0x060a0c06, 0x246c4824, 0x5ce4b85c, + 0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462, 0x91a83991, 0x95a43195, 0xe437d3e4, 0x798bf279, + 0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d, 0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9, + 0x6cb4d86c, 0x56faac56, 0xf407f3f4, 0xea25cfea, 0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x08181008, + 0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e, 0x1c24381c, 0xa6f157a6, 0xb4c773b4, 0xc65197c6, + 0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f, 0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a, + 0x7090e070, 0x3e427c3e, 0xb5c471b5, 0x66aacc66, 0x48d89048, 0x03050603, 0xf601f7f6, 0x0e121c0e, + 0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9, 0x86911786, 0xc15899c1, 0x1d273a1d, 0x9eb9279e, + 0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211, 0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394, + 0x9bb62d9b, 0x1e223c1e, 0x87921587, 0xe920c9e9, 0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df, + 0x8c8f038c, 0xa1f859a1, 0x89800989, 0x0d171a0d, 0xbfda65bf, 0xe631d7e6, 0x42c68442, 0x68b8d068, + 0x41c38241, 0x99b02999, 0x2d775a2d, 0x0f111e0f, 0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16, +} +var te3 = [256]uint32{ + 0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6, 0xf2f20dff, 0x6b6bbdd6, 0x6f6fb1de, 0xc5c55491, + 0x30305060, 0x01010302, 0x6767a9ce, 0x2b2b7d56, 0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec, + 0xcaca458f, 0x82829d1f, 0xc9c94089, 0x7d7d87fa, 0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb, + 0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45, 0x9c9cbf23, 0xa4a4f753, 0x727296e4, 0xc0c05b9b, + 0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c, 0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83, + 0x34345c68, 0xa5a5f451, 0xe5e534d1, 0xf1f108f9, 0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a, + 0x04040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d, 0x18182830, 0x9696a137, 0x05050f0a, 0x9a9ab52f, + 0x0707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf, 0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea, + 0x09091b12, 0x83839e1d, 0x2c2c7458, 0x1a1a2e34, 0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b, + 0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d, 0x29297b52, 0xe3e33edd, 0x2f2f715e, 0x84849713, + 0x5353f5a6, 0xd1d168b9, 0x00000000, 0xeded2cc1, 0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6, + 0x6a6abed4, 0xcbcb468d, 0xbebed967, 0x39394b72, 0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85, + 0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed, 0x4343c586, 0x4d4dd79a, 0x33335566, 0x85859411, + 0x4545cf8a, 0xf9f910e9, 0x02020604, 0x7f7f81fe, 0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b, + 0x5151f3a2, 0xa3a3fe5d, 0x4040c080, 0x8f8f8a05, 0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1, + 0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342, 0x10103020, 0xffff1ae5, 0xf3f30efd, 0xd2d26dbf, + 0xcdcd4c81, 0x0c0c1418, 0x13133526, 0xecec2fc3, 0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e, + 0xc4c45793, 0xa7a7f255, 0x7e7e82fc, 0x3d3d477a, 0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6, + 0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3, 0x22226644, 0x2a2a7e54, 0x9090ab3b, 0x8888830b, + 0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28, 0xdede79a7, 0x5e5ee2bc, 0x0b0b1d16, 0xdbdb76ad, + 0xe0e03bdb, 0x32325664, 0x3a3a4e74, 0x0a0a1e14, 0x4949db92, 0x06060a0c, 0x24246c48, 0x5c5ce4b8, + 0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4, 0x9191a839, 0x9595a431, 0xe4e437d3, 0x79798bf2, + 0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da, 0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049, + 0x6c6cb4d8, 0x5656faac, 0xf4f407f3, 0xeaea25cf, 0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x08081810, + 0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c, 0x1c1c2438, 0xa6a6f157, 0xb4b4c773, 0xc6c65197, + 0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e, 0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f, + 0x707090e0, 0x3e3e427c, 0xb5b5c471, 0x6666aacc, 0x4848d890, 0x03030506, 0xf6f601f7, 0x0e0e121c, + 0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069, 0x86869117, 0xc1c15899, 0x1d1d273a, 0x9e9eb927, + 0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322, 0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733, + 0x9b9bb62d, 0x1e1e223c, 0x87879215, 0xe9e920c9, 0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5, + 0x8c8c8f03, 0xa1a1f859, 0x89898009, 0x0d0d171a, 0xbfbfda65, 0xe6e631d7, 0x4242c684, 0x6868b8d0, + 0x4141c382, 0x9999b029, 0x2d2d775a, 0x0f0f111e, 0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c, +} + +// Lookup tables for decryption. +// These can be recomputed by adapting the tests in aes_test.go. + +var td0 = [256]uint32{ + 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, + 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, + 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, + 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, + 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, + 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, + 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, + 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, + 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, + 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, + 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, + 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, + 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, + 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, + 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, + 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, + 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, + 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, + 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0, + 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, + 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, + 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, + 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, + 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, + 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, + 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, + 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, + 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, + 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, + 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, + 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, + 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742, +} +var td1 = [256]uint32{ + 0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e, 0xcb3bab6b, 0xf11f9d45, 0xabacfa58, 0x934be303, + 0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c, 0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3, + 0x49deb15a, 0x6725ba1b, 0x9845ea0e, 0xe15dfec0, 0x02c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9, + 0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259, 0x2dd4be83, 0xd3587421, 0x2949e069, 0x448ec9c8, + 0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971, 0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a, + 0x1863df4a, 0x82e51a31, 0x60975133, 0x4562537f, 0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b, + 0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8, 0x23ab73d3, 0xe2724b02, 0x57e31f8f, 0x2a6655ab, + 0x07b2eb28, 0x032fb5c2, 0x9a86c57b, 0xa5d33708, 0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682, + 0x2b8acf1c, 0x92a779b4, 0xf0f307f2, 0xa14e69e2, 0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe, + 0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb, 0x390b83ec, 0xaa4060ef, 0x065e719f, 0x51bd6e10, + 0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd, 0xb591548d, 0x0571c45d, 0x6f0406d4, 0xff605015, + 0x241998fb, 0x97d6bde9, 0xcc894043, 0x7767d99e, 0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee, + 0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x00000000, 0x83098086, 0x48322bed, 0xac1e1170, 0x4e6c5a72, + 0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39, 0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e, + 0xb10c0a67, 0x0f9357e7, 0xd2b4ee96, 0x9e1b9b91, 0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a, + 0x0ae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17, 0x0b0e090d, 0xadf28bc7, 0xb92db6a8, 0xc8141ea9, + 0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60, 0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e, + 0x768b4329, 0xdccb23c6, 0x68b6edfc, 0x63b8e4f1, 0xcad731dc, 0x10426385, 0x40139722, 0x2084c611, + 0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1, 0x4b1d9e2f, 0xf3dcb230, 0xec0d8652, 0xd077c1e3, + 0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964, 0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390, + 0xc787494e, 0xc1d938d1, 0xfe8ccaa2, 0x3698d40b, 0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf, + 0xe42c3a9d, 0x0d507892, 0x9b6a5fcc, 0x62547e46, 0xc2f68d13, 0xe890d8b8, 0x5e2e39f7, 0xf582c3af, + 0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512, 0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb, + 0x09cd2678, 0xf46e5918, 0x01ec9ab7, 0xa8834f9a, 0x65e6956e, 0x7eaaffe6, 0x0821bccf, 0xe6ef15e8, + 0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c, 0xaf31a4b2, 0x312a3f23, 0x30c6a594, 0xc035a266, + 0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8, 0x4af10498, 0xf741ecda, 0x0e7fcd50, 0x2f1791f6, + 0x8d764dd6, 0x4d43efb0, 0x54ccaa4d, 0xdfe49604, 0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551, + 0x049d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41, 0x5ab3671d, 0x5292dbd2, 0x33e91056, 0x136dd647, + 0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c, 0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1, + 0x599cd2df, 0x3f55f273, 0x791814ce, 0xbf73c737, 0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db, + 0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340, 0x72161dc3, 0x0cbce225, 0x8b283c49, 0x41ff0d95, + 0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1, 0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857, +} +var td2 = [256]uint32{ + 0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27, 0x6bcb3bab, 0x45f11f9d, 0x58abacfa, 0x03934be3, + 0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502, 0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562, + 0x5a49deb1, 0x1b6725ba, 0x0e9845ea, 0xc0e15dfe, 0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3, + 0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552, 0x832dd4be, 0x21d35874, 0x692949e0, 0xc8448ec9, + 0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9, 0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce, + 0x4a1863df, 0x3182e51a, 0x33609751, 0x7f456253, 0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908, + 0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b, 0xd323ab73, 0x02e2724b, 0x8f57e31f, 0xab2a6655, + 0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x08a5d337, 0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16, + 0x1c2b8acf, 0xb492a779, 0xf2f0f307, 0xe2a14e69, 0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6, + 0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6, 0xec390b83, 0xefaa4060, 0x9f065e71, 0x1051bd6e, + 0x8af93e21, 0x063d96dd, 0x05aedd3e, 0xbd464de6, 0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050, + 0xfb241998, 0xe997d6bd, 0x43cc8940, 0x9e7767d9, 0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8, + 0x0a47a17c, 0x0fe97c42, 0x1ec9f884, 0x00000000, 0x86830980, 0xed48322b, 0x70ac1e11, 0x724e6c5a, + 0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d, 0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436, + 0x67b10c0a, 0xe70f9357, 0x96d2b4ee, 0x919e1b9b, 0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12, + 0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b, 0x0d0b0e09, 0xc7adf28b, 0xa8b92db6, 0xa9c8141e, + 0x198557f1, 0x074caf75, 0xddbbee99, 0x60fda37f, 0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb, + 0x29768b43, 0xc6dccb23, 0xfc68b6ed, 0xf163b8e4, 0xdccad731, 0x85104263, 0x22401397, 0x112084c6, + 0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729, 0x2f4b1d9e, 0x30f3dcb2, 0x52ec0d86, 0xe3d077c1, + 0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9, 0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233, + 0x4ec78749, 0xd1c1d938, 0xa2fe8cca, 0x0b3698d4, 0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad, + 0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e, 0x13c2f68d, 0xb8e890d8, 0xf75e2e39, 0xaff582c3, + 0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25, 0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b, + 0x7809cd26, 0x18f46e59, 0xb701ec9a, 0x9aa8834f, 0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15, + 0x9bd9bae7, 0x36ce4a6f, 0x09d4ea9f, 0x7cd629b0, 0xb2af31a4, 0x23312a3f, 0x9430c6a5, 0x66c035a2, + 0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7, 0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791, + 0xd68d764d, 0xb04d43ef, 0x4d54ccaa, 0x04dfe496, 0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665, + 0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b, 0x1d5ab367, 0xd25292db, 0x5633e910, 0x47136dd6, + 0x618c9ad7, 0x0c7a37a1, 0x148e59f8, 0x3c89eb13, 0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47, + 0xdf599cd2, 0x733f55f2, 0xce791814, 0x37bf73c7, 0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844, + 0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3, 0xc372161d, 0x250cbce2, 0x498b283c, 0x9541ff0d, + 0x017139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456, 0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8, +} +var td3 = [256]uint32{ + 0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a, 0xab6bcb3b, 0x9d45f11f, 0xfa58abac, 0xe303934b, + 0x30fa5520, 0x766df6ad, 0xcc769188, 0x024c25f5, 0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5, + 0xb15a49de, 0xba1b6725, 0xea0e9845, 0xfec0e15d, 0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b, + 0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95, 0xbe832dd4, 0x7421d358, 0xe0692949, 0xc9c8448e, + 0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27, 0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d, + 0xdf4a1863, 0x1a3182e5, 0x51336097, 0x537f4562, 0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x082b94f9, + 0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752, 0x73d323ab, 0x4b02e272, 0x1f8f57e3, 0x55ab2a66, + 0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3, 0x2887f230, 0xbfa5b223, 0x036aba02, 0x16825ced, + 0xcf1c2b8a, 0x79b492a7, 0x07f2f0f3, 0x69e2a14e, 0xdaf4cd65, 0x05bed506, 0x34621fd1, 0xa6fe8ac4, + 0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4, 0x83ec390b, 0x60efaa40, 0x719f065e, 0x6e1051bd, + 0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d, 0x548db591, 0xc45d0571, 0x06d46f04, 0x5015ff60, + 0x98fb2419, 0xbde997d6, 0x4043cc89, 0xd99e7767, 0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79, + 0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x00000000, 0x80868309, 0x2bed4832, 0x1170ac1e, 0x5a724e6c, + 0x0efffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736, 0x0fd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24, + 0x0a67b10c, 0x57e70f93, 0xee96d2b4, 0x9b919e1b, 0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c, + 0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12, 0x090d0b0e, 0x8bc7adf2, 0xb6a8b92d, 0x1ea9c814, + 0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3, 0x01269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b, + 0x4329768b, 0x23c6dccb, 0xedfc68b6, 0xe4f163b8, 0x31dccad7, 0x63851042, 0x97224013, 0xc6112084, + 0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7, 0x9e2f4b1d, 0xb230f3dc, 0x8652ec0d, 0xc1e3d077, + 0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247, 0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22, + 0x494ec787, 0x38d1c1d9, 0xcaa2fe8c, 0xd40b3698, 0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f, + 0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254, 0x8d13c2f6, 0xd8b8e890, 0x39f75e2e, 0xc3aff582, + 0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf, 0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb, + 0x267809cd, 0x5918f46e, 0x9ab701ec, 0x4f9aa883, 0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef, + 0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629, 0xa4b2af31, 0x3f23312a, 0xa59430c6, 0xa266c035, + 0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533, 0x04984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17, + 0x4dd68d76, 0xefb04d43, 0xaa4d54cc, 0x9604dfe4, 0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46, + 0x5eea049d, 0x8c355d01, 0x877473fa, 0x0b412efb, 0x671d5ab3, 0xdbd25292, 0x105633e9, 0xd647136d, + 0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb, 0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a, + 0xd2df599c, 0xf2733f55, 0x14ce7918, 0xc737bf73, 0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678, + 0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2, 0x1dc37216, 0xe2250cbc, 0x3c498b28, 0x0d9541ff, + 0xa8017139, 0x0cb3de08, 0xb4e49cd8, 0x56c19064, 0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0, +} diff --git a/gcc-4.7/libgo/go/crypto/cipher/cbc.go b/gcc-4.7/libgo/go/crypto/cipher/cbc.go new file mode 100644 index 000000000..a48929cf5 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/cipher/cbc.go @@ -0,0 +1,78 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Cipher block chaining (CBC) mode. + +// CBC provides confidentiality by xoring (chaining) each plaintext block +// with the previous ciphertext block before applying the block cipher. + +// See NIST SP 800-38A, pp 10-11 + +package cipher + +type cbc struct { + b Block + blockSize int + iv []byte + tmp []byte +} + +func newCBC(b Block, iv []byte) *cbc { + return &cbc{ + b: b, + blockSize: b.BlockSize(), + iv: dup(iv), + tmp: make([]byte, b.BlockSize()), + } +} + +type cbcEncrypter cbc + +// NewCBCEncrypter returns a BlockMode which encrypts in cipher block chaining +// mode, using the given Block. The length of iv must be the same as the +// Block's block size. +func NewCBCEncrypter(b Block, iv []byte) BlockMode { + return (*cbcEncrypter)(newCBC(b, iv)) +} + +func (x *cbcEncrypter) BlockSize() int { return x.blockSize } + +func (x *cbcEncrypter) CryptBlocks(dst, src []byte) { + for len(src) > 0 { + for i := 0; i < x.blockSize; i++ { + x.iv[i] ^= src[i] + } + x.b.Encrypt(x.iv, x.iv) + for i := 0; i < x.blockSize; i++ { + dst[i] = x.iv[i] + } + src = src[x.blockSize:] + dst = dst[x.blockSize:] + } +} + +type cbcDecrypter cbc + +// NewCBCDecrypter returns a BlockMode which decrypts in cipher block chaining +// mode, using the given Block. The length of iv must be the same as the +// Block's block size and must match the iv used to encrypt the data. +func NewCBCDecrypter(b Block, iv []byte) BlockMode { + return (*cbcDecrypter)(newCBC(b, iv)) +} + +func (x *cbcDecrypter) BlockSize() int { return x.blockSize } + +func (x *cbcDecrypter) CryptBlocks(dst, src []byte) { + for len(src) > 0 { + x.b.Decrypt(x.tmp, src[:x.blockSize]) + for i := 0; i < x.blockSize; i++ { + x.tmp[i] ^= x.iv[i] + x.iv[i] = src[i] + dst[i] = x.tmp[i] + } + + src = src[x.blockSize:] + dst = dst[x.blockSize:] + } +} diff --git a/gcc-4.7/libgo/go/crypto/cipher/cbc_aes_test.go b/gcc-4.7/libgo/go/crypto/cipher/cbc_aes_test.go new file mode 100644 index 000000000..cee3a784b --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/cipher/cbc_aes_test.go @@ -0,0 +1,90 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// CBC AES test vectors. + +// See U.S. National Institute of Standards and Technology (NIST) +// Special Publication 800-38A, ``Recommendation for Block Cipher +// Modes of Operation,'' 2001 Edition, pp. 24-29. + +package cipher_test + +import ( + "bytes" + "crypto/aes" + "crypto/cipher" + "testing" +) + +var cbcAESTests = []struct { + name string + key []byte + iv []byte + in []byte + out []byte +}{ + // NIST SP 800-38A pp 27-29 + { + "CBC-AES128", + commonKey128, + commonIV, + commonInput, + []byte{ + 0x76, 0x49, 0xab, 0xac, 0x81, 0x19, 0xb2, 0x46, 0xce, 0xe9, 0x8e, 0x9b, 0x12, 0xe9, 0x19, 0x7d, + 0x50, 0x86, 0xcb, 0x9b, 0x50, 0x72, 0x19, 0xee, 0x95, 0xdb, 0x11, 0x3a, 0x91, 0x76, 0x78, 0xb2, + 0x73, 0xbe, 0xd6, 0xb8, 0xe3, 0xc1, 0x74, 0x3b, 0x71, 0x16, 0xe6, 0x9e, 0x22, 0x22, 0x95, 0x16, + 0x3f, 0xf1, 0xca, 0xa1, 0x68, 0x1f, 0xac, 0x09, 0x12, 0x0e, 0xca, 0x30, 0x75, 0x86, 0xe1, 0xa7, + }, + }, + { + "CBC-AES192", + commonKey192, + commonIV, + commonInput, + []byte{ + 0x4f, 0x02, 0x1d, 0xb2, 0x43, 0xbc, 0x63, 0x3d, 0x71, 0x78, 0x18, 0x3a, 0x9f, 0xa0, 0x71, 0xe8, + 0xb4, 0xd9, 0xad, 0xa9, 0xad, 0x7d, 0xed, 0xf4, 0xe5, 0xe7, 0x38, 0x76, 0x3f, 0x69, 0x14, 0x5a, + 0x57, 0x1b, 0x24, 0x20, 0x12, 0xfb, 0x7a, 0xe0, 0x7f, 0xa9, 0xba, 0xac, 0x3d, 0xf1, 0x02, 0xe0, + 0x08, 0xb0, 0xe2, 0x79, 0x88, 0x59, 0x88, 0x81, 0xd9, 0x20, 0xa9, 0xe6, 0x4f, 0x56, 0x15, 0xcd, + }, + }, + { + "CBC-AES256", + commonKey256, + commonIV, + commonInput, + []byte{ + 0xf5, 0x8c, 0x4c, 0x04, 0xd6, 0xe5, 0xf1, 0xba, 0x77, 0x9e, 0xab, 0xfb, 0x5f, 0x7b, 0xfb, 0xd6, + 0x9c, 0xfc, 0x4e, 0x96, 0x7e, 0xdb, 0x80, 0x8d, 0x67, 0x9f, 0x77, 0x7b, 0xc6, 0x70, 0x2c, 0x7d, + 0x39, 0xf2, 0x33, 0x69, 0xa9, 0xd9, 0xba, 0xcf, 0xa5, 0x30, 0xe2, 0x63, 0x04, 0x23, 0x14, 0x61, + 0xb2, 0xeb, 0x05, 0xe2, 0xc3, 0x9b, 0xe9, 0xfc, 0xda, 0x6c, 0x19, 0x07, 0x8c, 0x6a, 0x9d, 0x1b, + }, + }, +} + +func TestCBC_AES(t *testing.T) { + for _, tt := range cbcAESTests { + test := tt.name + + c, err := aes.NewCipher(tt.key) + if err != nil { + t.Errorf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err) + continue + } + + encrypter := cipher.NewCBCEncrypter(c, tt.iv) + d := make([]byte, len(tt.in)) + encrypter.CryptBlocks(d, tt.in) + if !bytes.Equal(tt.out, d) { + t.Errorf("%s: CBCEncrypter\nhave %x\nwant %x", test, d, tt.out) + } + + decrypter := cipher.NewCBCDecrypter(c, tt.iv) + p := make([]byte, len(d)) + decrypter.CryptBlocks(p, d) + if !bytes.Equal(tt.in, p) { + t.Errorf("%s: CBCDecrypter\nhave %x\nwant %x", test, d, tt.in) + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/cipher/cfb.go b/gcc-4.7/libgo/go/crypto/cipher/cfb.go new file mode 100644 index 000000000..d14165a86 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/cipher/cfb.go @@ -0,0 +1,64 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// CFB (Cipher Feedback) Mode. + +package cipher + +type cfb struct { + b Block + out []byte + outUsed int + decrypt bool +} + +// NewCFBEncrypter returns a Stream which encrypts with cipher feedback mode, +// using the given Block. The iv must be the same length as the Block's block +// size. +func NewCFBEncrypter(block Block, iv []byte) Stream { + return newCFB(block, iv, false) +} + +// NewCFBDecrypter returns a Stream which decrypts with cipher feedback mode, +// using the given Block. The iv must be the same length as the Block's block +// size. +func NewCFBDecrypter(block Block, iv []byte) Stream { + return newCFB(block, iv, true) +} + +func newCFB(block Block, iv []byte, decrypt bool) Stream { + blockSize := block.BlockSize() + if len(iv) != blockSize { + return nil + } + + x := &cfb{ + b: block, + out: make([]byte, blockSize), + outUsed: 0, + decrypt: decrypt, + } + block.Encrypt(x.out, iv) + + return x +} + +func (x *cfb) XORKeyStream(dst, src []byte) { + for i := 0; i < len(src); i++ { + if x.outUsed == len(x.out) { + x.b.Encrypt(x.out, x.out) + x.outUsed = 0 + } + + if x.decrypt { + t := src[i] + dst[i] = src[i] ^ x.out[x.outUsed] + x.out[x.outUsed] = t + } else { + x.out[x.outUsed] ^= src[i] + dst[i] = x.out[x.outUsed] + } + x.outUsed++ + } +} diff --git a/gcc-4.7/libgo/go/crypto/cipher/cfb_test.go b/gcc-4.7/libgo/go/crypto/cipher/cfb_test.go new file mode 100644 index 000000000..f704b337e --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/cipher/cfb_test.go @@ -0,0 +1,36 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package cipher_test + +import ( + "bytes" + "crypto/aes" + "crypto/cipher" + "crypto/rand" + "testing" +) + +func TestCFB(t *testing.T) { + block, err := aes.NewCipher(commonKey128) + if err != nil { + t.Error(err) + return + } + + plaintext := []byte("this is the plaintext") + iv := make([]byte, block.BlockSize()) + rand.Reader.Read(iv) + cfb := cipher.NewCFBEncrypter(block, iv) + ciphertext := make([]byte, len(plaintext)) + cfb.XORKeyStream(ciphertext, plaintext) + + cfbdec := cipher.NewCFBDecrypter(block, iv) + plaintextCopy := make([]byte, len(plaintext)) + cfbdec.XORKeyStream(plaintextCopy, ciphertext) + + if !bytes.Equal(plaintextCopy, plaintext) { + t.Errorf("got: %x, want: %x", plaintextCopy, plaintext) + } +} diff --git a/gcc-4.7/libgo/go/crypto/cipher/cipher.go b/gcc-4.7/libgo/go/crypto/cipher/cipher.go new file mode 100644 index 000000000..1ffaa8c2c --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/cipher/cipher.go @@ -0,0 +1,63 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package cipher implements standard block cipher modes that can be wrapped +// around low-level block cipher implementations. +// See http://csrc.nist.gov/groups/ST/toolkit/BCM/current_modes.html +// and NIST Special Publication 800-38A. +package cipher + +// A Block represents an implementation of block cipher +// using a given key. It provides the capability to encrypt +// or decrypt individual blocks. The mode implementations +// extend that capability to streams of blocks. +type Block interface { + // BlockSize returns the cipher's block size. + BlockSize() int + + // Encrypt encrypts the first block in src into dst. + // Dst and src may point at the same memory. + Encrypt(dst, src []byte) + + // Decrypt decrypts the first block in src into dst. + // Dst and src may point at the same memory. + Decrypt(dst, src []byte) +} + +// A Stream represents a stream cipher. +type Stream interface { + // XORKeyStream XORs each byte in the given slice with a byte from the + // cipher's key stream. Dst and src may point to the same memory. + XORKeyStream(dst, src []byte) +} + +// A BlockMode represents a block cipher running in a block-based mode (CBC, +// ECB etc). +type BlockMode interface { + // BlockSize returns the mode's block size. + BlockSize() int + + // CryptBlocks encrypts or decrypts a number of blocks. The length of + // src must be a multiple of the block size. Dst and src may point to + // the same memory. + CryptBlocks(dst, src []byte) +} + +// Utility routines + +func shift1(dst, src []byte) byte { + var b byte + for i := len(src) - 1; i >= 0; i-- { + bb := src[i] >> 7 + dst[i] = src[i]<<1 | b + b = bb + } + return b +} + +func dup(p []byte) []byte { + q := make([]byte, len(p)) + copy(q, p) + return q +} diff --git a/gcc-4.7/libgo/go/crypto/cipher/common_test.go b/gcc-4.7/libgo/go/crypto/cipher/common_test.go new file mode 100644 index 000000000..c75c919d1 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/cipher/common_test.go @@ -0,0 +1,28 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package cipher_test + +// Common values for tests. + +var commonInput = []byte{ + 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, + 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, + 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, + 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10, +} + +var commonKey128 = []byte{0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c} + +var commonKey192 = []byte{ + 0x8e, 0x73, 0xb0, 0xf7, 0xda, 0x0e, 0x64, 0x52, 0xc8, 0x10, 0xf3, 0x2b, 0x80, 0x90, 0x79, 0xe5, + 0x62, 0xf8, 0xea, 0xd2, 0x52, 0x2c, 0x6b, 0x7b, +} + +var commonKey256 = []byte{ + 0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe, 0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81, + 0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7, 0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4, +} + +var commonIV = []byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f} diff --git a/gcc-4.7/libgo/go/crypto/cipher/ctr.go b/gcc-4.7/libgo/go/crypto/cipher/ctr.go new file mode 100644 index 000000000..147b74fc2 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/cipher/ctr.go @@ -0,0 +1,55 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Counter (CTR) mode. + +// CTR converts a block cipher into a stream cipher by +// repeatedly encrypting an incrementing counter and +// xoring the resulting stream of data with the input. + +// See NIST SP 800-38A, pp 13-15 + +package cipher + +type ctr struct { + b Block + ctr []byte + out []byte + outUsed int +} + +// NewCTR returns a Stream which encrypts/decrypts using the given Block in +// counter mode. The length of iv must be the same as the Block's block size. +func NewCTR(block Block, iv []byte) Stream { + if len(iv) != block.BlockSize() { + panic("cipher.NewCTR: iv length must equal block size") + } + + return &ctr{ + b: block, + ctr: dup(iv), + out: make([]byte, len(iv)), + outUsed: len(iv), + } +} + +func (x *ctr) XORKeyStream(dst, src []byte) { + for i := 0; i < len(src); i++ { + if x.outUsed == len(x.ctr) { + x.b.Encrypt(x.out, x.ctr) + x.outUsed = 0 + + // Increment counter + for i := len(x.ctr) - 1; i >= 0; i-- { + x.ctr[i]++ + if x.ctr[i] != 0 { + break + } + } + } + + dst[i] = src[i] ^ x.out[x.outUsed] + x.outUsed++ + } +} diff --git a/gcc-4.7/libgo/go/crypto/cipher/ctr_aes_test.go b/gcc-4.7/libgo/go/crypto/cipher/ctr_aes_test.go new file mode 100644 index 000000000..d019ae0d0 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/cipher/ctr_aes_test.go @@ -0,0 +1,102 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// CTR AES test vectors. + +// See U.S. National Institute of Standards and Technology (NIST) +// Special Publication 800-38A, ``Recommendation for Block Cipher +// Modes of Operation,'' 2001 Edition, pp. 55-58. + +package cipher_test + +import ( + "bytes" + "crypto/aes" + "crypto/cipher" + "testing" +) + +var commonCounter = []byte{0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff} + +var ctrAESTests = []struct { + name string + key []byte + iv []byte + in []byte + out []byte +}{ + // NIST SP 800-38A pp 55-58 + { + "CTR-AES128", + commonKey128, + commonCounter, + commonInput, + []byte{ + 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26, 0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce, + 0x98, 0x06, 0xf6, 0x6b, 0x79, 0x70, 0xfd, 0xff, 0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff, + 0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e, 0x5b, 0x4f, 0x09, 0x02, 0x0d, 0xb0, 0x3e, 0xab, + 0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1, 0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee, + }, + }, + { + "CTR-AES192", + commonKey192, + commonCounter, + commonInput, + []byte{ + 0x1a, 0xbc, 0x93, 0x24, 0x17, 0x52, 0x1c, 0xa2, 0x4f, 0x2b, 0x04, 0x59, 0xfe, 0x7e, 0x6e, 0x0b, + 0x09, 0x03, 0x39, 0xec, 0x0a, 0xa6, 0xfa, 0xef, 0xd5, 0xcc, 0xc2, 0xc6, 0xf4, 0xce, 0x8e, 0x94, + 0x1e, 0x36, 0xb2, 0x6b, 0xd1, 0xeb, 0xc6, 0x70, 0xd1, 0xbd, 0x1d, 0x66, 0x56, 0x20, 0xab, 0xf7, + 0x4f, 0x78, 0xa7, 0xf6, 0xd2, 0x98, 0x09, 0x58, 0x5a, 0x97, 0xda, 0xec, 0x58, 0xc6, 0xb0, 0x50, + }, + }, + { + "CTR-AES256", + commonKey256, + commonCounter, + commonInput, + []byte{ + 0x60, 0x1e, 0xc3, 0x13, 0x77, 0x57, 0x89, 0xa5, 0xb7, 0xa7, 0xf5, 0x04, 0xbb, 0xf3, 0xd2, 0x28, + 0xf4, 0x43, 0xe3, 0xca, 0x4d, 0x62, 0xb5, 0x9a, 0xca, 0x84, 0xe9, 0x90, 0xca, 0xca, 0xf5, 0xc5, + 0x2b, 0x09, 0x30, 0xda, 0xa2, 0x3d, 0xe9, 0x4c, 0xe8, 0x70, 0x17, 0xba, 0x2d, 0x84, 0x98, 0x8d, + 0xdf, 0xc9, 0xc5, 0x8d, 0xb6, 0x7a, 0xad, 0xa6, 0x13, 0xc2, 0xdd, 0x08, 0x45, 0x79, 0x41, 0xa6, + }, + }, +} + +func TestCTR_AES(t *testing.T) { + for _, tt := range ctrAESTests { + test := tt.name + + c, err := aes.NewCipher(tt.key) + if err != nil { + t.Errorf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err) + continue + } + + for j := 0; j <= 5; j += 5 { + in := tt.in[0 : len(tt.in)-j] + ctr := cipher.NewCTR(c, tt.iv) + encrypted := make([]byte, len(in)) + ctr.XORKeyStream(encrypted, in) + if out := tt.out[0:len(in)]; !bytes.Equal(out, encrypted) { + t.Errorf("%s/%d: CTR\ninpt %x\nhave %x\nwant %x", test, len(in), in, encrypted, out) + } + } + + for j := 0; j <= 7; j += 7 { + in := tt.out[0 : len(tt.out)-j] + ctr := cipher.NewCTR(c, tt.iv) + plain := make([]byte, len(in)) + ctr.XORKeyStream(plain, in) + if out := tt.in[0:len(in)]; !bytes.Equal(out, plain) { + t.Errorf("%s/%d: CTRReader\nhave %x\nwant %x", test, len(out), plain, out) + } + } + + if t.Failed() { + break + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/cipher/io.go b/gcc-4.7/libgo/go/crypto/cipher/io.go new file mode 100644 index 000000000..76048fbf3 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/cipher/io.go @@ -0,0 +1,54 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package cipher + +import "io" + +// The Stream* objects are so simple that all their members are public. Users +// can create them themselves. + +// StreamReader wraps a Stream into an io.Reader. It calls XORKeyStream +// to process each slice of data which passes through. +type StreamReader struct { + S Stream + R io.Reader +} + +func (r StreamReader) Read(dst []byte) (n int, err error) { + n, err = r.R.Read(dst) + r.S.XORKeyStream(dst[:n], dst[:n]) + return +} + +// StreamWriter wraps a Stream into an io.Writer. It calls XORKeyStream +// to process each slice of data which passes through. If any Write call +// returns short then the StreamWriter is out of sync and must be discarded. +type StreamWriter struct { + S Stream + W io.Writer + Err error +} + +func (w StreamWriter) Write(src []byte) (n int, err error) { + if w.Err != nil { + return 0, w.Err + } + c := make([]byte, len(src)) + w.S.XORKeyStream(c, src) + n, err = w.W.Write(c) + if n != len(src) { + if err == nil { // should never happen + err = io.ErrShortWrite + } + w.Err = err + } + return +} + +func (w StreamWriter) Close() error { + // This saves us from either requiring a WriteCloser or having a + // StreamWriterCloser. + return w.W.(io.Closer).Close() +} diff --git a/gcc-4.7/libgo/go/crypto/cipher/ofb.go b/gcc-4.7/libgo/go/crypto/cipher/ofb.go new file mode 100644 index 000000000..85e5f02b0 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/cipher/ofb.go @@ -0,0 +1,44 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// OFB (Output Feedback) Mode. + +package cipher + +type ofb struct { + b Block + out []byte + outUsed int +} + +// NewOFB returns a Stream that encrypts or decrypts using the block cipher b +// in output feedback mode. The initialization vector iv's length must be equal +// to b's block size. +func NewOFB(b Block, iv []byte) Stream { + blockSize := b.BlockSize() + if len(iv) != blockSize { + return nil + } + + x := &ofb{ + b: b, + out: make([]byte, blockSize), + outUsed: 0, + } + b.Encrypt(x.out, iv) + + return x +} + +func (x *ofb) XORKeyStream(dst, src []byte) { + for i, s := range src { + if x.outUsed == len(x.out) { + x.b.Encrypt(x.out, x.out) + x.outUsed = 0 + } + + dst[i] = s ^ x.out[x.outUsed] + x.outUsed++ + } +} diff --git a/gcc-4.7/libgo/go/crypto/cipher/ofb_test.go b/gcc-4.7/libgo/go/crypto/cipher/ofb_test.go new file mode 100644 index 000000000..8d3c5d3a3 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/cipher/ofb_test.go @@ -0,0 +1,102 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// OFB AES test vectors. + +// See U.S. National Institute of Standards and Technology (NIST) +// Special Publication 800-38A, ``Recommendation for Block Cipher +// Modes of Operation,'' 2001 Edition, pp. 52-55. + +package cipher_test + +import ( + "bytes" + "crypto/aes" + "crypto/cipher" + "testing" +) + +type ofbTest struct { + name string + key []byte + iv []byte + in []byte + out []byte +} + +var ofbTests = []ofbTest{ + // NIST SP 800-38A pp 52-55 + { + "OFB-AES128", + commonKey128, + commonIV, + commonInput, + []byte{ + 0x3b, 0x3f, 0xd9, 0x2e, 0xb7, 0x2d, 0xad, 0x20, 0x33, 0x34, 0x49, 0xf8, 0xe8, 0x3c, 0xfb, 0x4a, + 0x77, 0x89, 0x50, 0x8d, 0x16, 0x91, 0x8f, 0x03, 0xf5, 0x3c, 0x52, 0xda, 0xc5, 0x4e, 0xd8, 0x25, + 0x97, 0x40, 0x05, 0x1e, 0x9c, 0x5f, 0xec, 0xf6, 0x43, 0x44, 0xf7, 0xa8, 0x22, 0x60, 0xed, 0xcc, + 0x30, 0x4c, 0x65, 0x28, 0xf6, 0x59, 0xc7, 0x78, 0x66, 0xa5, 0x10, 0xd9, 0xc1, 0xd6, 0xae, 0x5e, + }, + }, + { + "OFB-AES192", + commonKey192, + commonIV, + commonInput, + []byte{ + 0xcd, 0xc8, 0x0d, 0x6f, 0xdd, 0xf1, 0x8c, 0xab, 0x34, 0xc2, 0x59, 0x09, 0xc9, 0x9a, 0x41, 0x74, + 0xfc, 0xc2, 0x8b, 0x8d, 0x4c, 0x63, 0x83, 0x7c, 0x09, 0xe8, 0x17, 0x00, 0xc1, 0x10, 0x04, 0x01, + 0x8d, 0x9a, 0x9a, 0xea, 0xc0, 0xf6, 0x59, 0x6f, 0x55, 0x9c, 0x6d, 0x4d, 0xaf, 0x59, 0xa5, 0xf2, + 0x6d, 0x9f, 0x20, 0x08, 0x57, 0xca, 0x6c, 0x3e, 0x9c, 0xac, 0x52, 0x4b, 0xd9, 0xac, 0xc9, 0x2a, + }, + }, + { + "OFB-AES256", + commonKey256, + commonIV, + commonInput, + []byte{ + 0xdc, 0x7e, 0x84, 0xbf, 0xda, 0x79, 0x16, 0x4b, 0x7e, 0xcd, 0x84, 0x86, 0x98, 0x5d, 0x38, 0x60, + 0x4f, 0xeb, 0xdc, 0x67, 0x40, 0xd2, 0x0b, 0x3a, 0xc8, 0x8f, 0x6a, 0xd8, 0x2a, 0x4f, 0xb0, 0x8d, + 0x71, 0xab, 0x47, 0xa0, 0x86, 0xe8, 0x6e, 0xed, 0xf3, 0x9d, 0x1c, 0x5b, 0xba, 0x97, 0xc4, 0x08, + 0x01, 0x26, 0x14, 0x1d, 0x67, 0xf3, 0x7b, 0xe8, 0x53, 0x8f, 0x5a, 0x8b, 0xe7, 0x40, 0xe4, 0x84, + }, + }, +} + +func TestOFB(t *testing.T) { + for _, tt := range ofbTests { + test := tt.name + + c, err := aes.NewCipher(tt.key) + if err != nil { + t.Errorf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err) + continue + } + + for j := 0; j <= 5; j += 5 { + plaintext := tt.in[0 : len(tt.in)-j] + ofb := cipher.NewOFB(c, tt.iv) + ciphertext := make([]byte, len(plaintext)) + ofb.XORKeyStream(ciphertext, plaintext) + if !bytes.Equal(ciphertext, tt.out[:len(plaintext)]) { + t.Errorf("%s/%d: encrypting\ninput % x\nhave % x\nwant % x", test, len(plaintext), plaintext, ciphertext, tt.out) + } + } + + for j := 0; j <= 5; j += 5 { + ciphertext := tt.out[0 : len(tt.in)-j] + ofb := cipher.NewOFB(c, tt.iv) + plaintext := make([]byte, len(ciphertext)) + ofb.XORKeyStream(plaintext, ciphertext) + if !bytes.Equal(plaintext, tt.in[:len(ciphertext)]) { + t.Errorf("%s/%d: decrypting\nhave % x\nwant % x", test, len(ciphertext), plaintext, tt.in) + } + } + + if t.Failed() { + break + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/crypto.go b/gcc-4.7/libgo/go/crypto/crypto.go new file mode 100644 index 000000000..ecefc6572 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/crypto.go @@ -0,0 +1,81 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package crypto collects common cryptographic constants. +package crypto + +import ( + "hash" +) + +// Hash identifies a cryptographic hash function that is implemented in another +// package. +type Hash uint + +const ( + MD4 Hash = 1 + iota // import code.google.com/p/go.crypto/md4 + MD5 // import crypto/md5 + SHA1 // import crypto/sha1 + SHA224 // import crypto/sha256 + SHA256 // import crypto/sha256 + SHA384 // import crypto/sha512 + SHA512 // import crypto/sha512 + MD5SHA1 // no implementation; MD5+SHA1 used for TLS RSA + RIPEMD160 // import code.google.com/p/go.crypto/ripemd160 + maxHash +) + +var digestSizes = []uint8{ + MD4: 16, + MD5: 16, + SHA1: 20, + SHA224: 28, + SHA256: 32, + SHA384: 48, + SHA512: 64, + MD5SHA1: 36, + RIPEMD160: 20, +} + +// Size returns the length, in bytes, of a digest resulting from the given hash +// function. It doesn't require that the hash function in question be linked +// into the program. +func (h Hash) Size() int { + if h > 0 && h < maxHash { + return int(digestSizes[h]) + } + panic("crypto: Size of unknown hash function") +} + +var hashes = make([]func() hash.Hash, maxHash) + +// New returns a new hash.Hash calculating the given hash function. New panics +// if the hash function is not linked into the binary. +func (h Hash) New() hash.Hash { + if h > 0 && h < maxHash { + f := hashes[h] + if f != nil { + return f() + } + } + panic("crypto: requested hash function is unavailable") +} + +// Available reports whether the given hash function is linked into the binary. +func (h Hash) Available() bool { + return h < maxHash && hashes[h] != nil +} + +// RegisterHash registers a function that returns a new instance of the given +// hash function. This is intended to be called from the init function in +// packages that implement hash functions. +func RegisterHash(h Hash, f func() hash.Hash) { + if h >= maxHash { + panic("crypto: RegisterHash of unknown hash function") + } + hashes[h] = f +} + +// PrivateKey represents a private key using an unspecified algorithm. +type PrivateKey interface{} diff --git a/gcc-4.7/libgo/go/crypto/des/block.go b/gcc-4.7/libgo/go/crypto/des/block.go new file mode 100644 index 000000000..c11c62cd7 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/des/block.go @@ -0,0 +1,98 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package des + +import ( + "encoding/binary" +) + +func cryptBlock(subkeys []uint64, dst, src []byte, decrypt bool) { + b := binary.BigEndian.Uint64(src) + b = permuteBlock(b, initialPermutation[:]) + left, right := uint32(b>>32), uint32(b) + + var subkey uint64 + for i := 0; i < 16; i++ { + if decrypt { + subkey = subkeys[15-i] + } else { + subkey = subkeys[i] + } + + left, right = right, left^feistel(right, subkey) + } + // switch left & right and perform final permutation + preOutput := (uint64(right) << 32) | uint64(left) + binary.BigEndian.PutUint64(dst, permuteBlock(preOutput, finalPermutation[:])) +} + +// Encrypt one block from src into dst, using the subkeys. +func encryptBlock(subkeys []uint64, dst, src []byte) { + cryptBlock(subkeys, dst, src, false) +} + +// Decrypt one block from src into dst, using the subkeys. +func decryptBlock(subkeys []uint64, dst, src []byte) { + cryptBlock(subkeys, dst, src, true) +} + +// DES Feistel function +func feistel(right uint32, key uint64) (result uint32) { + sBoxLocations := key ^ permuteBlock(uint64(right), expansionFunction[:]) + var sBoxResult uint32 + for i := uint8(0); i < 8; i++ { + sBoxLocation := uint8(sBoxLocations>>42) & 0x3f + sBoxLocations <<= 6 + // row determined by 1st and 6th bit + row := (sBoxLocation & 0x1) | ((sBoxLocation & 0x20) >> 4) + // column is middle four bits + column := (sBoxLocation >> 1) & 0xf + sBoxResult |= uint32(sBoxes[i][row][column]) << (4 * (7 - i)) + } + return uint32(permuteBlock(uint64(sBoxResult), permutationFunction[:])) +} + +// general purpose function to perform DES block permutations +func permuteBlock(src uint64, permutation []uint8) (block uint64) { + for position, n := range permutation { + bit := (src >> n) & 1 + block |= bit << uint((len(permutation)-1)-position) + } + return +} + +// creates 16 28-bit blocks rotated according +// to the rotation schedule +func ksRotate(in uint32) (out []uint32) { + out = make([]uint32, 16) + last := in + for i := 0; i < 16; i++ { + // 28-bit circular left shift + left := (last << (4 + ksRotations[i])) >> 4 + right := (last << 4) >> (32 - ksRotations[i]) + out[i] = left | right + last = out[i] + } + return +} + +// creates 16 56-bit subkeys from the original key +func (c *desCipher) generateSubkeys(keyBytes []byte) { + // apply PC1 permutation to key + key := binary.BigEndian.Uint64(keyBytes) + permutedKey := permuteBlock(key, permutedChoice1[:]) + + // rotate halves of permuted key according to the rotation schedule + leftRotations := ksRotate(uint32(permutedKey >> 28)) + rightRotations := ksRotate(uint32(permutedKey<<4) >> 4) + + // generate subkeys + for i := 0; i < 16; i++ { + // combine halves to form 56-bit input to PC2 + pc2Input := uint64(leftRotations[i])<<28 | uint64(rightRotations[i]) + // apply PC2 permutation to 7 byte input + c.subkeys[i] = permuteBlock(pc2Input, permutedChoice2[:]) + } +} diff --git a/gcc-4.7/libgo/go/crypto/des/cipher.go b/gcc-4.7/libgo/go/crypto/des/cipher.go new file mode 100644 index 000000000..2f929ca7b --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/des/cipher.go @@ -0,0 +1,73 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package des + +import ( + "crypto/cipher" + "strconv" +) + +// The DES block size in bytes. +const BlockSize = 8 + +type KeySizeError int + +func (k KeySizeError) Error() string { + return "crypto/des: invalid key size " + strconv.Itoa(int(k)) +} + +// desCipher is an instance of DES encryption. +type desCipher struct { + subkeys [16]uint64 +} + +// NewCipher creates and returns a new cipher.Block. +func NewCipher(key []byte) (cipher.Block, error) { + if len(key) != 8 { + return nil, KeySizeError(len(key)) + } + + c := new(desCipher) + c.generateSubkeys(key) + return c, nil +} + +func (c *desCipher) BlockSize() int { return BlockSize } + +func (c *desCipher) Encrypt(dst, src []byte) { encryptBlock(c.subkeys[:], dst, src) } + +func (c *desCipher) Decrypt(dst, src []byte) { decryptBlock(c.subkeys[:], dst, src) } + +// A tripleDESCipher is an instance of TripleDES encryption. +type tripleDESCipher struct { + cipher1, cipher2, cipher3 desCipher +} + +// NewTripleDESCipher creates and returns a new cipher.Block. +func NewTripleDESCipher(key []byte) (cipher.Block, error) { + if len(key) != 24 { + return nil, KeySizeError(len(key)) + } + + c := new(tripleDESCipher) + c.cipher1.generateSubkeys(key[:8]) + c.cipher2.generateSubkeys(key[8:16]) + c.cipher3.generateSubkeys(key[16:]) + return c, nil +} + +func (c *tripleDESCipher) BlockSize() int { return BlockSize } + +func (c *tripleDESCipher) Encrypt(dst, src []byte) { + c.cipher1.Encrypt(dst, src) + c.cipher2.Decrypt(dst, dst) + c.cipher3.Encrypt(dst, dst) +} + +func (c *tripleDESCipher) Decrypt(dst, src []byte) { + c.cipher3.Decrypt(dst, src) + c.cipher2.Encrypt(dst, dst) + c.cipher1.Decrypt(dst, dst) +} diff --git a/gcc-4.7/libgo/go/crypto/des/const.go b/gcc-4.7/libgo/go/crypto/des/const.go new file mode 100644 index 000000000..2bd485ee8 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/des/const.go @@ -0,0 +1,139 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package des implements the Data Encryption Standard (DES) and the +// Triple Data Encryption Algorithm (TDEA) as defined +// in U.S. Federal Information Processing Standards Publication 46-3. +package des + +// Used to perform an initial permutation of a 64-bit input block. +var initialPermutation = [64]byte{ + 6, 14, 22, 30, 38, 46, 54, 62, + 4, 12, 20, 28, 36, 44, 52, 60, + 2, 10, 18, 26, 34, 42, 50, 58, + 0, 8, 16, 24, 32, 40, 48, 56, + 7, 15, 23, 31, 39, 47, 55, 63, + 5, 13, 21, 29, 37, 45, 53, 61, + 3, 11, 19, 27, 35, 43, 51, 59, + 1, 9, 17, 25, 33, 41, 49, 57, +} + +// Used to perform a final permutation of a 4-bit preoutput block. This is the +// inverse of initialPermutation +var finalPermutation = [64]byte{ + 24, 56, 16, 48, 8, 40, 0, 32, + 25, 57, 17, 49, 9, 41, 1, 33, + 26, 58, 18, 50, 10, 42, 2, 34, + 27, 59, 19, 51, 11, 43, 3, 35, + 28, 60, 20, 52, 12, 44, 4, 36, + 29, 61, 21, 53, 13, 45, 5, 37, + 30, 62, 22, 54, 14, 46, 6, 38, + 31, 63, 23, 55, 15, 47, 7, 39, +} + +// Used to expand an input block of 32 bits, producing an output block of 48 +// bits. +var expansionFunction = [48]byte{ + 0, 31, 30, 29, 28, 27, 28, 27, + 26, 25, 24, 23, 24, 23, 22, 21, + 20, 19, 20, 19, 18, 17, 16, 15, + 16, 15, 14, 13, 12, 11, 12, 11, + 10, 9, 8, 7, 8, 7, 6, 5, + 4, 3, 4, 3, 2, 1, 0, 31, +} + +// Yields a 32-bit output from a 32-bit input +var permutationFunction = [32]byte{ + 16, 25, 12, 11, 3, 20, 4, 15, + 31, 17, 9, 6, 27, 14, 1, 22, + 30, 24, 8, 18, 0, 5, 29, 23, + 13, 19, 2, 26, 10, 21, 28, 7, +} + +// Used in the key schedule to select 56 bits +// from a 64-bit input. +var permutedChoice1 = [56]byte{ + 7, 15, 23, 31, 39, 47, 55, 63, + 6, 14, 22, 30, 38, 46, 54, 62, + 5, 13, 21, 29, 37, 45, 53, 61, + 4, 12, 20, 28, 1, 9, 17, 25, + 33, 41, 49, 57, 2, 10, 18, 26, + 34, 42, 50, 58, 3, 11, 19, 27, + 35, 43, 51, 59, 36, 44, 52, 60, +} + +// Used in the key schedule to produce each subkey by selecting 48 bits from +// the 56-bit input +var permutedChoice2 = [48]byte{ + 42, 39, 45, 32, 55, 51, 53, 28, + 41, 50, 35, 46, 33, 37, 44, 52, + 30, 48, 40, 49, 29, 36, 43, 54, + 15, 4, 25, 19, 9, 1, 26, 16, + 5, 11, 23, 8, 12, 7, 17, 0, + 22, 3, 10, 14, 6, 20, 27, 24, +} + +// 8 S-boxes composed of 4 rows and 16 columns +// Used in the DES cipher function +var sBoxes = [8][4][16]uint8{ + // S-box 1 + { + {14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7}, + {0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8}, + {4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0}, + {15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13}, + }, + // S-box 2 + { + {15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10}, + {3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5}, + {0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15}, + {13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9}, + }, + // S-box 3 + { + {10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8}, + {13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1}, + {13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7}, + {1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12}, + }, + // S-box 4 + { + {7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15}, + {13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9}, + {10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4}, + {3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14}, + }, + // S-box 5 + { + {2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9}, + {14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6}, + {4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14}, + {11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3}, + }, + // S-box 6 + { + {12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11}, + {10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8}, + {9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6}, + {4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13}, + }, + // S-box 7 + { + {4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1}, + {13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6}, + {1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2}, + {6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12}, + }, + // S-box 8 + { + {13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7}, + {1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2}, + {7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8}, + {2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11}, + }, +} + +// Size of left rotation per round in each half of the key schedule +var ksRotations = [16]uint8{1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1} diff --git a/gcc-4.7/libgo/go/crypto/des/des_test.go b/gcc-4.7/libgo/go/crypto/des/des_test.go new file mode 100644 index 000000000..e9fc23629 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/des/des_test.go @@ -0,0 +1,1505 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package des + +import ( + "bytes" + "testing" +) + +type CryptTest struct { + key []byte + in []byte + out []byte +} + +// some custom tests for DES +var encryptDESTests = []CryptTest{ + { + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x8c, 0xa6, 0x4d, 0xe9, 0xc1, 0xb1, 0x23, 0xa7}}, + { + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0x35, 0x55, 0x50, 0xb2, 0x15, 0x0e, 0x24, 0x51}}, + { + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, + []byte{0x61, 0x7b, 0x3a, 0x0c, 0xe8, 0xf0, 0x71, 0x00}}, + { + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}, + []byte{0x92, 0x31, 0xf2, 0x36, 0xff, 0x9a, 0xa9, 0x5c}}, + { + []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xca, 0xaa, 0xaf, 0x4d, 0xea, 0xf1, 0xdb, 0xae}}, + { + []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0x73, 0x59, 0xb2, 0x16, 0x3e, 0x4e, 0xdc, 0x58}}, + { + []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, + []byte{0x6d, 0xce, 0x0d, 0xc9, 0x00, 0x65, 0x56, 0xa3}}, + { + []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}, + []byte{0x9e, 0x84, 0xc5, 0xf3, 0x17, 0x0f, 0x8e, 0xff}}, + { + []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xd5, 0xd4, 0x4f, 0xf7, 0x20, 0x68, 0x3d, 0x0d}}, + { + []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, + []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0x59, 0x73, 0x23, 0x56, 0xf3, 0x6f, 0xde, 0x06}}, + { + []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, + []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, + []byte{0x56, 0xcc, 0x09, 0xe7, 0xcf, 0xdc, 0x4c, 0xef}}, + { + []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, + []byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}, + []byte{0x12, 0xc6, 0x26, 0xaf, 0x05, 0x8b, 0x43, 0x3b}}, + { + []byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}, + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xa6, 0x8c, 0xdc, 0xa9, 0x0c, 0x90, 0x21, 0xf9}}, + { + []byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}, + []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0x2a, 0x2b, 0xb0, 0x08, 0xdf, 0x97, 0xc2, 0xf2}}, + { + []byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}, + []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, + []byte{0xed, 0x39, 0xd9, 0x50, 0xfa, 0x74, 0xbc, 0xc4}}, + { + []byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}, + []byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}, + []byte{0xa9, 0x33, 0xf6, 0x18, 0x30, 0x23, 0xb3, 0x10}}, + { + []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, + []byte{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11}, + []byte{0x17, 0x66, 0x8d, 0xfc, 0x72, 0x92, 0x53, 0x2d}}, + { + []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, + []byte{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + []byte{0xb4, 0xfd, 0x23, 0x16, 0x47, 0xa5, 0xbe, 0xc0}}, + { + []byte{0x0e, 0x32, 0x92, 0x32, 0xea, 0x6d, 0x0d, 0x73}, + []byte{0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87}, + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, + { + []byte{0x73, 0x65, 0x63, 0x52, 0x33, 0x74, 0x24, 0x3b}, // "secR3t$;" + []byte{0x61, 0x20, 0x74, 0x65, 0x73, 0x74, 0x31, 0x32}, // "a test12" + []byte{0x37, 0x0d, 0xee, 0x2c, 0x1f, 0xb4, 0xf7, 0xa5}}, + { + []byte{0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68}, // "abcdefgh" + []byte{0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68}, // "abcdefgh" + []byte{0x2a, 0x8d, 0x69, 0xde, 0x9d, 0x5f, 0xdf, 0xf9}}, + { + []byte{0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68}, // "abcdefgh" + []byte{0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38}, // "12345678" + []byte{0x21, 0xc6, 0x0d, 0xa5, 0x34, 0x24, 0x8b, 0xce}}, + { + []byte{0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38}, // "12345678" + []byte{0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68}, // "abcdefgh" + []byte{0x94, 0xd4, 0x43, 0x6b, 0xc3, 0xb5, 0xb6, 0x93}}, + { + []byte{0x1f, 0x79, 0x90, 0x5f, 0x88, 0x01, 0xc8, 0x88}, // random + []byte{0xc7, 0x46, 0x18, 0x73, 0xaf, 0x48, 0x5f, 0xb3}, // random + []byte{0xb0, 0x93, 0x50, 0x88, 0xf9, 0x92, 0x44, 0x6a}}, + { + []byte{0xe6, 0xf4, 0xf2, 0xdb, 0x31, 0x42, 0x53, 0x01}, // random + []byte{0xff, 0x3d, 0x25, 0x50, 0x12, 0xe3, 0x4a, 0xc5}, // random + []byte{0x86, 0x08, 0xd3, 0xd1, 0x6c, 0x2f, 0xd2, 0x55}}, + { + []byte{0x69, 0xc1, 0x9d, 0xc1, 0x15, 0xc5, 0xfb, 0x2b}, // random + []byte{0x1a, 0x22, 0x5c, 0xaf, 0x1f, 0x1d, 0xa3, 0xf9}, // random + []byte{0x64, 0xba, 0x31, 0x67, 0x56, 0x91, 0x1e, 0xa7}}, + { + []byte{0x6e, 0x5e, 0xe2, 0x47, 0xc4, 0xbf, 0xf6, 0x51}, // random + []byte{0x11, 0xc9, 0x57, 0xff, 0x66, 0x89, 0x0e, 0xf0}, // random + []byte{0x94, 0xc5, 0x35, 0xb2, 0xc5, 0x8b, 0x39, 0x72}}, +} + +var weakKeyTests = []CryptTest{ + { + []byte{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + []byte{0x55, 0x74, 0xc0, 0xbd, 0x7c, 0xdf, 0xf7, 0x39}, // random + nil}, + { + []byte{0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe}, + []byte{0xe8, 0xe1, 0xa7, 0xc1, 0xde, 0x11, 0x89, 0xaa}, // random + nil}, + { + []byte{0xe0, 0xe0, 0xe0, 0xe0, 0xf1, 0xf1, 0xf1, 0xf1}, + []byte{0x50, 0x6a, 0x4b, 0x94, 0x3b, 0xed, 0x7d, 0xdc}, // random + nil}, + { + []byte{0x1f, 0x1f, 0x1f, 0x1f, 0x0e, 0x0e, 0x0e, 0x0e}, + []byte{0x88, 0x81, 0x56, 0x38, 0xec, 0x3b, 0x1c, 0x97}, // random + nil}, + { + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x17, 0xa0, 0x83, 0x62, 0x32, 0xfe, 0x9a, 0x0b}, // random + nil}, + { + []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0xca, 0x8f, 0xca, 0x1f, 0x50, 0xc5, 0x7b, 0x49}, // random + nil}, + { + []byte{0xe1, 0xe1, 0xe1, 0xe1, 0xf0, 0xf0, 0xf0, 0xf0}, + []byte{0xb1, 0xea, 0xad, 0x7d, 0xe7, 0xc3, 0x7a, 0x43}, // random + nil}, + { + []byte{0x1e, 0x1e, 0x1e, 0x1e, 0x0f, 0x0f, 0x0f, 0x0f}, + []byte{0xae, 0x74, 0x7d, 0x6f, 0xef, 0x16, 0xbb, 0x81}, // random + nil}, +} + +var semiWeakKeyTests = []CryptTest{ + // key and out contain the semi-weak key pair + { + []byte{0x01, 0x1f, 0x01, 0x1f, 0x01, 0x0e, 0x01, 0x0e}, + []byte{0x12, 0xfa, 0x31, 0x16, 0xf9, 0xc5, 0x0a, 0xe4}, // random + []byte{0x1f, 0x01, 0x1f, 0x01, 0x0e, 0x01, 0x0e, 0x01}}, + { + []byte{0x01, 0xe0, 0x01, 0xe0, 0x01, 0xf1, 0x01, 0xf1}, + []byte{0xb0, 0x4c, 0x7a, 0xee, 0xd2, 0xe5, 0x4d, 0xb7}, // random + []byte{0xe0, 0x01, 0xe0, 0x01, 0xf1, 0x01, 0xf1, 0x01}}, + { + []byte{0x01, 0xfe, 0x01, 0xfe, 0x01, 0xfe, 0x01, 0xfe}, + []byte{0xa4, 0x81, 0xcd, 0xb1, 0x64, 0x6f, 0xd3, 0xbc}, // random + []byte{0xfe, 0x01, 0xfe, 0x01, 0xfe, 0x01, 0xfe, 0x01}}, + { + []byte{0x1f, 0xe0, 0x1f, 0xe0, 0x0e, 0xf1, 0x0e, 0xf1}, + []byte{0xee, 0x27, 0xdd, 0x88, 0x4c, 0x22, 0xcd, 0xce}, // random + []byte{0xe0, 0x1f, 0xe0, 0x1f, 0xf1, 0x0e, 0xf1, 0x0e}}, + { + []byte{0x1f, 0xfe, 0x1f, 0xfe, 0x0e, 0xfe, 0x0e, 0xfe}, + []byte{0x19, 0x3d, 0xcf, 0x97, 0x70, 0xfb, 0xab, 0xe1}, // random + []byte{0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x0e, 0xfe, 0x0e}}, + { + []byte{0xe0, 0xfe, 0xe0, 0xfe, 0xf1, 0xfe, 0xf1, 0xfe}, + []byte{0x7c, 0x82, 0x69, 0xe4, 0x1e, 0x86, 0x99, 0xd7}, // random + []byte{0xfe, 0xe0, 0xfe, 0xe0, 0xfe, 0xf1, 0xfe, 0xf1}}, +} + +// some custom tests for TripleDES +var encryptTripleDESTests = []CryptTest{ + { + []byte{ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x92, 0x95, 0xb5, 0x9b, 0xb3, 0x84, 0x73, 0x6e}}, + { + []byte{ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0xc1, 0x97, 0xf5, 0x58, 0x74, 0x8a, 0x20, 0xe7}}, + { + []byte{ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x3e, 0x68, 0x0a, 0xa7, 0x8b, 0x75, 0xdf, 0x18}}, + { + []byte{ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + []byte{0x6d, 0x6a, 0x4a, 0x64, 0x4c, 0x7b, 0x8c, 0x91}}, + { + []byte{ // "abcdefgh12345678ABCDEFGH" + 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, + 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, + 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48}, + []byte{0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30}, // "00000000" + []byte{0xe4, 0x61, 0xb7, 0x59, 0x68, 0x8b, 0xff, 0x66}}, + { + []byte{ // "abcdefgh12345678ABCDEFGH" + 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, + 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, + 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48}, + []byte{0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38}, // "12345678" + []byte{0xdb, 0xd0, 0x92, 0xde, 0xf8, 0x34, 0xff, 0x58}}, + { + []byte{ // "abcdefgh12345678ABCDEFGH" + 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, + 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, + 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48}, + []byte{0xf0, 0xc5, 0x82, 0x22, 0xd3, 0xe6, 0x12, 0xd2}, // random + []byte{0xba, 0xe4, 0x41, 0xb1, 0x3c, 0x37, 0x4d, 0xf4}}, + { + []byte{ // random + 0xd3, 0x7d, 0x45, 0xee, 0x22, 0xe9, 0xcf, 0x52, + 0xf4, 0x65, 0xa2, 0x4f, 0x70, 0xd1, 0x81, 0x8a, + 0x3d, 0xbe, 0x2f, 0x39, 0xc7, 0x71, 0xd2, 0xe9}, + []byte{0x49, 0x53, 0xc3, 0xe9, 0x78, 0xdf, 0x9f, 0xaf}, // random + []byte{0x53, 0x40, 0x51, 0x24, 0xd8, 0x3c, 0xf9, 0x88}}, + { + []byte{ // random + 0xcb, 0x10, 0x7d, 0xda, 0x7e, 0x96, 0x57, 0x0a, + 0xe8, 0xeb, 0xe8, 0x07, 0x8e, 0x87, 0xd3, 0x57, + 0xb2, 0x61, 0x12, 0xb8, 0x2a, 0x90, 0xb7, 0x2f}, + []byte{0xa3, 0xc2, 0x60, 0xb1, 0x0b, 0xb7, 0x28, 0x6e}, // random + []byte{0x56, 0x73, 0x7d, 0xfb, 0xb5, 0xa1, 0xc3, 0xde}}, +} + +// NIST Special Publication 800-20, Appendix A +// Key for use with Table A.1 tests +var tableA1Key = []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, +} + +// Table A.1 Resulting Ciphertext from the Variable Plaintext Known Answer Test +var tableA1Tests = []CryptTest{ + {nil, // 0 + []byte{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x95, 0xf8, 0xa5, 0xe5, 0xdd, 0x31, 0xd9, 0x00}}, + {nil, // 1 + []byte{0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xdd, 0x7f, 0x12, 0x1c, 0xa5, 0x01, 0x56, 0x19}}, + {nil, // 2 + []byte{0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x2e, 0x86, 0x53, 0x10, 0x4f, 0x38, 0x34, 0xea}}, + {nil, // 3 + []byte{0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x4b, 0xd3, 0x88, 0xff, 0x6c, 0xd8, 0x1d, 0x4f}}, + {nil, // 4 + []byte{0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x20, 0xb9, 0xe7, 0x67, 0xb2, 0xfb, 0x14, 0x56}}, + {nil, // 5 + []byte{0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x55, 0x57, 0x93, 0x80, 0xd7, 0x71, 0x38, 0xef}}, + {nil, // 6 + []byte{0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x6c, 0xc5, 0xde, 0xfa, 0xaf, 0x04, 0x51, 0x2f}}, + {nil, // 7 + []byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x0d, 0x9f, 0x27, 0x9b, 0xa5, 0xd8, 0x72, 0x60}}, + {nil, // 8 + []byte{0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xd9, 0x03, 0x1b, 0x02, 0x71, 0xbd, 0x5a, 0x0a}}, + {nil, // 9 + []byte{0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x42, 0x42, 0x50, 0xb3, 0x7c, 0x3d, 0xd9, 0x51}}, + {nil, // 10 + []byte{0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xb8, 0x06, 0x1b, 0x7e, 0xcd, 0x9a, 0x21, 0xe5}}, + {nil, // 11 + []byte{0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xf1, 0x5d, 0x0f, 0x28, 0x6b, 0x65, 0xbd, 0x28}}, + {nil, // 12 + []byte{0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xad, 0xd0, 0xcc, 0x8d, 0x6e, 0x5d, 0xeb, 0xa1}}, + {nil, // 13 + []byte{0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xe6, 0xd5, 0xf8, 0x27, 0x52, 0xad, 0x63, 0xd1}}, + {nil, // 14 + []byte{0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xec, 0xbf, 0xe3, 0xbd, 0x3f, 0x59, 0x1a, 0x5e}}, + {nil, // 15 + []byte{0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xf3, 0x56, 0x83, 0x43, 0x79, 0xd1, 0x65, 0xcd}}, + {nil, // 16 + []byte{0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x2b, 0x9f, 0x98, 0x2f, 0x20, 0x03, 0x7f, 0xa9}}, + {nil, // 17 + []byte{0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x88, 0x9d, 0xe0, 0x68, 0xa1, 0x6f, 0x0b, 0xe6}}, + {nil, // 18 + []byte{0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xe1, 0x9e, 0x27, 0x5d, 0x84, 0x6a, 0x12, 0x98}}, + {nil, // 19 + []byte{0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x32, 0x9a, 0x8e, 0xd5, 0x23, 0xd7, 0x1a, 0xec}}, + {nil, // 20 + []byte{0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xe7, 0xfc, 0xe2, 0x25, 0x57, 0xd2, 0x3c, 0x97}}, + {nil, // 21 + []byte{0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0x12, 0xa9, 0xf5, 0x81, 0x7f, 0xf2, 0xd6, 0x5d}}, + {nil, // 22 + []byte{0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xa4, 0x84, 0xc3, 0xad, 0x38, 0xdc, 0x9c, 0x19}}, + {nil, // 23 + []byte{0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xfb, 0xe0, 0x0a, 0x8a, 0x1e, 0xf8, 0xad, 0x72}}, + {nil, // 24 + []byte{0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00}, + []byte{0x75, 0x0d, 0x07, 0x94, 0x07, 0x52, 0x13, 0x63}}, + {nil, // 25 + []byte{0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00}, + []byte{0x64, 0xfe, 0xed, 0x9c, 0x72, 0x4c, 0x2f, 0xaf}}, + {nil, // 26 + []byte{0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00}, + []byte{0xf0, 0x2b, 0x26, 0x3b, 0x32, 0x8e, 0x2b, 0x60}}, + {nil, // 27 + []byte{0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00}, + []byte{0x9d, 0x64, 0x55, 0x5a, 0x9a, 0x10, 0xb8, 0x52}}, + {nil, // 28 + []byte{0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00}, + []byte{0xd1, 0x06, 0xff, 0x0b, 0xed, 0x52, 0x55, 0xd7}}, + {nil, // 29 + []byte{0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00}, + []byte{0xe1, 0x65, 0x2c, 0x6b, 0x13, 0x8c, 0x64, 0xa5}}, + {nil, // 30 + []byte{0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00}, + []byte{0xe4, 0x28, 0x58, 0x11, 0x86, 0xec, 0x8f, 0x46}}, + {nil, // 31 + []byte{0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}, + []byte{0xae, 0xb5, 0xf5, 0xed, 0xe2, 0x2d, 0x1a, 0x36}}, + {nil, // 32 + []byte{0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00}, + []byte{0xe9, 0x43, 0xd7, 0x56, 0x8a, 0xec, 0x0c, 0x5c}}, + {nil, // 33 + []byte{0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00}, + []byte{0xdf, 0x98, 0xc8, 0x27, 0x6f, 0x54, 0xb0, 0x4b}}, + {nil, // 34 + []byte{0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00}, + []byte{0xb1, 0x60, 0xe4, 0x68, 0x0f, 0x6c, 0x69, 0x6f}}, + {nil, // 35 + []byte{0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00}, + []byte{0xfa, 0x07, 0x52, 0xb0, 0x7d, 0x9c, 0x4a, 0xb8}}, + {nil, // 36 + []byte{0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00}, + []byte{0xca, 0x3a, 0x2b, 0x03, 0x6d, 0xbc, 0x85, 0x02}}, + {nil, // 37 + []byte{0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00}, + []byte{0x5e, 0x09, 0x05, 0x51, 0x7b, 0xb5, 0x9b, 0xcf}}, + {nil, // 38 + []byte{0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00}, + []byte{0x81, 0x4e, 0xeb, 0x3b, 0x91, 0xd9, 0x07, 0x26}}, + {nil, // 39 + []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00}, + []byte{0x4d, 0x49, 0xdb, 0x15, 0x32, 0x91, 0x9c, 0x9f}}, + {nil, // 40 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00}, + []byte{0x25, 0xeb, 0x5f, 0xc3, 0xf8, 0xcf, 0x06, 0x21}}, + {nil, // 41 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00}, + []byte{0xab, 0x6a, 0x20, 0xc0, 0x62, 0x0d, 0x1c, 0x6f}}, + {nil, // 42 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00}, + []byte{0x79, 0xe9, 0x0d, 0xbc, 0x98, 0xf9, 0x2c, 0xca}}, + {nil, // 43 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00}, + []byte{0x86, 0x6e, 0xce, 0xdd, 0x80, 0x72, 0xbb, 0x0e}}, + {nil, // 44 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00}, + []byte{0x8b, 0x54, 0x53, 0x6f, 0x2f, 0x3e, 0x64, 0xa8}}, + {nil, // 45 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00}, + []byte{0xea, 0x51, 0xd3, 0x97, 0x55, 0x95, 0xb8, 0x6b}}, + {nil, // 46 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00}, + []byte{0xca, 0xff, 0xc6, 0xac, 0x45, 0x42, 0xde, 0x31}}, + {nil, // 47 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00}, + []byte{0x8d, 0xd4, 0x5a, 0x2d, 0xdf, 0x90, 0x79, 0x6c}}, + {nil, // 48 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00}, + []byte{0x10, 0x29, 0xd5, 0x5e, 0x88, 0x0e, 0xc2, 0xd0}}, + {nil, // 49 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00}, + []byte{0x5d, 0x86, 0xcb, 0x23, 0x63, 0x9d, 0xbe, 0xa9}}, + {nil, // 50 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00}, + []byte{0x1d, 0x1c, 0xa8, 0x53, 0xae, 0x7c, 0x0c, 0x5f}}, + {nil, // 51 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00}, + []byte{0xce, 0x33, 0x23, 0x29, 0x24, 0x8f, 0x32, 0x28}}, + {nil, // 52 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00}, + []byte{0x84, 0x05, 0xd1, 0xab, 0xe2, 0x4f, 0xb9, 0x42}}, + {nil, // 53 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00}, + []byte{0xe6, 0x43, 0xd7, 0x80, 0x90, 0xca, 0x42, 0x07}}, + {nil, // 54 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00}, + []byte{0x48, 0x22, 0x1b, 0x99, 0x37, 0x74, 0x8a, 0x23}}, + {nil, // 55 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00}, + []byte{0xdd, 0x7c, 0x0b, 0xbd, 0x61, 0xfa, 0xfd, 0x54}}, + {nil, // 56 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80}, + []byte{0x2f, 0xbc, 0x29, 0x1a, 0x57, 0x0d, 0xb5, 0xc4}}, + {nil, // 57 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40}, + []byte{0xe0, 0x7c, 0x30, 0xd7, 0xe4, 0xe2, 0x6e, 0x12}}, + {nil, // 58 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20}, + []byte{0x09, 0x53, 0xe2, 0x25, 0x8e, 0x8e, 0x90, 0xa1}}, + {nil, // 59 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10}, + []byte{0x5b, 0x71, 0x1b, 0xc4, 0xce, 0xeb, 0xf2, 0xee}}, + {nil, // 60 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08}, + []byte{0xcc, 0x08, 0x3f, 0x1e, 0x6d, 0x9e, 0x85, 0xf6}}, + {nil, // 61 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04}, + []byte{0xd2, 0xfd, 0x88, 0x67, 0xd5, 0x0d, 0x2d, 0xfe}}, + {nil, // 62 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02}, + []byte{0x06, 0xe7, 0xea, 0x22, 0xce, 0x92, 0x70, 0x8f}}, + {nil, // 63 + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01}, + []byte{0x16, 0x6b, 0x40, 0xb4, 0x4a, 0xba, 0x4b, 0xd6}}, +} + +// Plaintext for use with Table A.2 tests +var tableA2Plaintext = []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} + +// Table A.2 Resulting Ciphertext from the Variable Key Known Answer Test +var tableA2Tests = []CryptTest{ + { // 0 + []byte{ + 0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x95, 0xa8, 0xd7, 0x28, 0x13, 0xda, 0xa9, 0x4d}}, + { // 1 + []byte{ + 0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x0e, 0xec, 0x14, 0x87, 0xdd, 0x8c, 0x26, 0xd5}}, + { // 2 + []byte{ + 0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x7a, 0xd1, 0x6f, 0xfb, 0x79, 0xc4, 0x59, 0x26}}, + { // 3 + []byte{ + 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xd3, 0x74, 0x62, 0x94, 0xca, 0x6a, 0x6c, 0xf3}}, + { // 4 + []byte{ + 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x80, 0x9f, 0x5f, 0x87, 0x3c, 0x1f, 0xd7, 0x61}}, + { // 5 + []byte{ + 0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xc0, 0x2f, 0xaf, 0xfe, 0xc9, 0x89, 0xd1, 0xfc}}, + { // 6 + []byte{ + 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x46, 0x15, 0xaa, 0x1d, 0x33, 0xe7, 0x2f, 0x10}}, + { // 7 + []byte{ + 0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x20, 0x55, 0x12, 0x33, 0x50, 0xc0, 0x08, 0x58}}, + { // 8 + []byte{ + 0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xdf, 0x3b, 0x99, 0xd6, 0x57, 0x73, 0x97, 0xc8}}, + { // 9 + []byte{ + 0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x31, 0xfe, 0x17, 0x36, 0x9b, 0x52, 0x88, 0xc9}}, + { // 10 + []byte{ + 0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xdf, 0xdd, 0x3c, 0xc6, 0x4d, 0xae, 0x16, 0x42}}, + { // 11 + []byte{ + 0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x17, 0x8c, 0x83, 0xce, 0x2b, 0x39, 0x9d, 0x94}}, + { // 12 + []byte{ + 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x50, 0xf6, 0x36, 0x32, 0x4a, 0x9b, 0x7f, 0x80}}, + { // 13 + []byte{ + 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xa8, 0x46, 0x8e, 0xe3, 0xbc, 0x18, 0xf0, 0x6d}}, + { // 14 + []byte{ + 0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xa2, 0xdc, 0x9e, 0x92, 0xfd, 0x3c, 0xde, 0x92}}, + { // 15 + []byte{ + 0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xca, 0xc0, 0x9f, 0x79, 0x7d, 0x03, 0x12, 0x87}}, + { // 16 + []byte{ + 0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x90, 0xba, 0x68, 0x0b, 0x22, 0xae, 0xb5, 0x25}}, + { // 17 + []byte{ + 0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xce, 0x7a, 0x24, 0xf3, 0x50, 0xe2, 0x80, 0xb6}}, + { // 18 + []byte{ + 0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x88, 0x2b, 0xff, 0x0a, 0xa0, 0x1a, 0x0b, 0x87}}, + { // 19 + []byte{ + 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x25, 0x61, 0x02, 0x88, 0x92, 0x45, 0x11, 0xc2}}, + { // 20 + []byte{ + 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xc7, 0x15, 0x16, 0xc2, 0x9c, 0x75, 0xd1, 0x70}}, + { // 21 + []byte{ + 0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x51, 0x99, 0xc2, 0x9a, 0x52, 0xc9, 0xf0, 0x59}}, + { // 22 + []byte{ + 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xc2, 0x2f, 0x0a, 0x29, 0x4a, 0x71, 0xf2, 0x9f}}, + { // 23 + []byte{ + 0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xee, 0x37, 0x14, 0x83, 0x71, 0x4c, 0x02, 0xea}}, + { // 24 + []byte{ + 0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xa8, 0x1f, 0xbd, 0x44, 0x8f, 0x9e, 0x52, 0x2f}}, + { // 25 + []byte{ + 0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x4f, 0x64, 0x4c, 0x92, 0xe1, 0x92, 0xdf, 0xed}}, + { // 26 + []byte{ + 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0x1a, 0xfa, 0x9a, 0x66, 0xa6, 0xdf, 0x92, 0xae}}, + { // 27 + []byte{ + 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01}, + nil, + []byte{0xb3, 0xc1, 0xcc, 0x71, 0x5c, 0xb8, 0x79, 0xd8}}, + { // 28 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01, 0x01}, + nil, + []byte{0x19, 0xd0, 0x32, 0xe6, 0x4a, 0xb0, 0xbd, 0x8b}}, + { // 29 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x01}, + nil, + []byte{0x3c, 0xfa, 0xa7, 0xa7, 0xdc, 0x87, 0x20, 0xdc}}, + { // 30 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01, 0x01}, + nil, + []byte{0xb7, 0x26, 0x5f, 0x7f, 0x44, 0x7a, 0xc6, 0xf3}}, + { // 31 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01, 0x01}, + nil, + []byte{0x9d, 0xb7, 0x3b, 0x3c, 0x0d, 0x16, 0x3f, 0x54}}, + { // 32 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01, 0x01}, + nil, + []byte{0x81, 0x81, 0xb6, 0x5b, 0xab, 0xf4, 0xa9, 0x75}}, + { // 33 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, 0x01}, + nil, + []byte{0x93, 0xc9, 0xb6, 0x40, 0x42, 0xea, 0xa2, 0x40}}, + { // 34 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01}, + nil, + []byte{0x55, 0x70, 0x53, 0x08, 0x29, 0x70, 0x55, 0x92}}, + { // 35 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01, 0x01}, + nil, + []byte{0x86, 0x38, 0x80, 0x9e, 0x87, 0x87, 0x87, 0xa0}}, + { // 36 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01}, + nil, + []byte{0x41, 0xb9, 0xa7, 0x9a, 0xf7, 0x9a, 0xc2, 0x08}}, + { // 37 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01, 0x01}, + nil, + []byte{0x7a, 0x9b, 0xe4, 0x2f, 0x20, 0x09, 0xa8, 0x92}}, + { // 38 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01, 0x01}, + nil, + []byte{0x29, 0x03, 0x8d, 0x56, 0xba, 0x6d, 0x27, 0x45}}, + { // 39 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01, 0x01}, + nil, + []byte{0x54, 0x95, 0xc6, 0xab, 0xf1, 0xe5, 0xdf, 0x51}}, + { // 40 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01, 0x01}, + nil, + []byte{0xae, 0x13, 0xdb, 0xd5, 0x61, 0x48, 0x89, 0x33}}, + { // 41 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01}, + nil, + []byte{0x02, 0x4d, 0x1f, 0xfa, 0x89, 0x04, 0xe3, 0x89}}, + { // 42 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80, 0x01}, + nil, + []byte{0xd1, 0x39, 0x97, 0x12, 0xf9, 0x9b, 0xf0, 0x2e}}, + { // 43 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01}, + nil, + []byte{0x14, 0xc1, 0xd7, 0xc1, 0xcf, 0xfe, 0xc7, 0x9e}}, + { // 44 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x01}, + nil, + []byte{0x1d, 0xe5, 0x27, 0x9d, 0xae, 0x3b, 0xed, 0x6f}}, + { // 45 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10, 0x01}, + nil, + []byte{0xe9, 0x41, 0xa3, 0x3f, 0x85, 0x50, 0x13, 0x03}}, + { // 46 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x01}, + nil, + []byte{0xda, 0x99, 0xdb, 0xbc, 0x9a, 0x03, 0xf3, 0x79}}, + { // 47 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x01}, + nil, + []byte{0xb7, 0xfc, 0x92, 0xf9, 0x1d, 0x8e, 0x92, 0xe9}}, + { // 48 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01}, + nil, + []byte{0xae, 0x8e, 0x5c, 0xaa, 0x3c, 0xa0, 0x4e, 0x85}}, + { // 49 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80}, + nil, + []byte{0x9c, 0xc6, 0x2d, 0xf4, 0x3b, 0x6e, 0xed, 0x74}}, + { // 50 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x40}, + nil, + []byte{0xd8, 0x63, 0xdb, 0xb5, 0xc5, 0x9a, 0x91, 0xa0}}, + { // 50 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20}, + nil, + []byte{0xa1, 0xab, 0x21, 0x90, 0x54, 0x5b, 0x91, 0xd7}}, + { // 52 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x10}, + nil, + []byte{0x08, 0x75, 0x04, 0x1e, 0x64, 0xc5, 0x70, 0xf7}}, + { // 53 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08}, + nil, + []byte{0x5a, 0x59, 0x45, 0x28, 0xbe, 0xbe, 0xf1, 0xcc}}, + { // 54 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04}, + nil, + []byte{0xfc, 0xdb, 0x32, 0x91, 0xde, 0x21, 0xf0, 0xc0}}, + { // 55 + []byte{ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02}, + nil, + []byte{0x86, 0x9e, 0xfd, 0x7f, 0x9f, 0x26, 0x5a, 0x09}}, +} + +// Plaintext for use with Table A.3 tests +var tableA3Plaintext = []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} + +// Table A.3 Values To Be Used for the Permutation Operation Known Answer Test +var tableA3Tests = []CryptTest{ + { // 0 + []byte{ + 0x10, 0x46, 0x91, 0x34, 0x89, 0x98, 0x01, 0x31, + 0x10, 0x46, 0x91, 0x34, 0x89, 0x98, 0x01, 0x31, + 0x10, 0x46, 0x91, 0x34, 0x89, 0x98, 0x01, 0x31, + }, + nil, + []byte{0x88, 0xd5, 0x5e, 0x54, 0xf5, 0x4c, 0x97, 0xb4}}, + { // 1 + []byte{ + 0x10, 0x07, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20, + 0x10, 0x07, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20, + 0x10, 0x07, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20, + }, + nil, + []byte{0x0c, 0x0c, 0xc0, 0x0c, 0x83, 0xea, 0x48, 0xfd}}, + { // 2 + []byte{ + 0x10, 0x07, 0x10, 0x34, 0xc8, 0x98, 0x01, 0x20, + 0x10, 0x07, 0x10, 0x34, 0xc8, 0x98, 0x01, 0x20, + 0x10, 0x07, 0x10, 0x34, 0xc8, 0x98, 0x01, 0x20, + }, + nil, + []byte{0x83, 0xbc, 0x8e, 0xf3, 0xa6, 0x57, 0x01, 0x83}}, + { // 3 + []byte{ + 0x10, 0x46, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20, + 0x10, 0x46, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20, + 0x10, 0x46, 0x10, 0x34, 0x89, 0x98, 0x80, 0x20, + }, + nil, + []byte{0xdf, 0x72, 0x5d, 0xca, 0xd9, 0x4e, 0xa2, 0xe9}}, + { // 4 + []byte{ + 0x10, 0x86, 0x91, 0x15, 0x19, 0x19, 0x01, 0x01, + 0x10, 0x86, 0x91, 0x15, 0x19, 0x19, 0x01, 0x01, + 0x10, 0x86, 0x91, 0x15, 0x19, 0x19, 0x01, 0x01, + }, + nil, + []byte{0xe6, 0x52, 0xb5, 0x3b, 0x55, 0x0b, 0xe8, 0xb0}}, + { // 5 + []byte{ + 0x10, 0x86, 0x91, 0x15, 0x19, 0x58, 0x01, 0x01, + 0x10, 0x86, 0x91, 0x15, 0x19, 0x58, 0x01, 0x01, + 0x10, 0x86, 0x91, 0x15, 0x19, 0x58, 0x01, 0x01, + }, + nil, + []byte{0xaf, 0x52, 0x71, 0x20, 0xc4, 0x85, 0xcb, 0xb0}}, + { // 6 + []byte{ + 0x51, 0x07, 0xb0, 0x15, 0x19, 0x58, 0x01, 0x01, + 0x51, 0x07, 0xb0, 0x15, 0x19, 0x58, 0x01, 0x01, + 0x51, 0x07, 0xb0, 0x15, 0x19, 0x58, 0x01, 0x01, + }, + nil, + []byte{0x0f, 0x04, 0xce, 0x39, 0x3d, 0xb9, 0x26, 0xd5}}, + { // 7 + []byte{ + 0x10, 0x07, 0xb0, 0x15, 0x19, 0x19, 0x01, 0x01, + 0x10, 0x07, 0xb0, 0x15, 0x19, 0x19, 0x01, 0x01, + 0x10, 0x07, 0xb0, 0x15, 0x19, 0x19, 0x01, 0x01, + }, + nil, + []byte{0xc9, 0xf0, 0x0f, 0xfc, 0x74, 0x07, 0x90, 0x67}}, + { // 8 + []byte{ + 0x31, 0x07, 0x91, 0x54, 0x98, 0x08, 0x01, 0x01, + 0x31, 0x07, 0x91, 0x54, 0x98, 0x08, 0x01, 0x01, + 0x31, 0x07, 0x91, 0x54, 0x98, 0x08, 0x01, 0x01, + }, + nil, + []byte{0x7c, 0xfd, 0x82, 0xa5, 0x93, 0x25, 0x2b, 0x4e}}, + { // 9 + []byte{ + 0x31, 0x07, 0x91, 0x94, 0x98, 0x08, 0x01, 0x01, + 0x31, 0x07, 0x91, 0x94, 0x98, 0x08, 0x01, 0x01, + 0x31, 0x07, 0x91, 0x94, 0x98, 0x08, 0x01, 0x01, + }, + nil, + []byte{0xcb, 0x49, 0xa2, 0xf9, 0xe9, 0x13, 0x63, 0xe3}}, + { // 10 + []byte{ + 0x10, 0x07, 0x91, 0x15, 0xb9, 0x08, 0x01, 0x40, + 0x10, 0x07, 0x91, 0x15, 0xb9, 0x08, 0x01, 0x40, + 0x10, 0x07, 0x91, 0x15, 0xb9, 0x08, 0x01, 0x40, + }, + nil, + []byte{0x00, 0xb5, 0x88, 0xbe, 0x70, 0xd2, 0x3f, 0x56}}, + { // 11 + []byte{ + 0x31, 0x07, 0x91, 0x15, 0x98, 0x08, 0x01, 0x40, + 0x31, 0x07, 0x91, 0x15, 0x98, 0x08, 0x01, 0x40, + 0x31, 0x07, 0x91, 0x15, 0x98, 0x08, 0x01, 0x40, + }, + nil, + []byte{0x40, 0x6a, 0x9a, 0x6a, 0xb4, 0x33, 0x99, 0xae}}, + { // 12 + []byte{ + 0x10, 0x07, 0xd0, 0x15, 0x89, 0x98, 0x01, 0x01, + 0x10, 0x07, 0xd0, 0x15, 0x89, 0x98, 0x01, 0x01, + 0x10, 0x07, 0xd0, 0x15, 0x89, 0x98, 0x01, 0x01, + }, + nil, + []byte{0x6c, 0xb7, 0x73, 0x61, 0x1d, 0xca, 0x9a, 0xda}}, + { // 13 + []byte{ + 0x91, 0x07, 0x91, 0x15, 0x89, 0x98, 0x01, 0x01, + 0x91, 0x07, 0x91, 0x15, 0x89, 0x98, 0x01, 0x01, + 0x91, 0x07, 0x91, 0x15, 0x89, 0x98, 0x01, 0x01, + }, + nil, + []byte{0x67, 0xfd, 0x21, 0xc1, 0x7d, 0xbb, 0x5d, 0x70}}, + { // 14 + []byte{ + 0x91, 0x07, 0xd0, 0x15, 0x89, 0x19, 0x01, 0x01, + 0x91, 0x07, 0xd0, 0x15, 0x89, 0x19, 0x01, 0x01, + 0x91, 0x07, 0xd0, 0x15, 0x89, 0x19, 0x01, 0x01, + }, + nil, + []byte{0x95, 0x92, 0xcb, 0x41, 0x10, 0x43, 0x07, 0x87}}, + { // 15 + []byte{ + 0x10, 0x07, 0xd0, 0x15, 0x98, 0x98, 0x01, 0x20, + 0x10, 0x07, 0xd0, 0x15, 0x98, 0x98, 0x01, 0x20, + 0x10, 0x07, 0xd0, 0x15, 0x98, 0x98, 0x01, 0x20, + }, + nil, + []byte{0xa6, 0xb7, 0xff, 0x68, 0xa3, 0x18, 0xdd, 0xd3}}, + { // 16 + []byte{ + 0x10, 0x07, 0x94, 0x04, 0x98, 0x19, 0x01, 0x01, + 0x10, 0x07, 0x94, 0x04, 0x98, 0x19, 0x01, 0x01, + 0x10, 0x07, 0x94, 0x04, 0x98, 0x19, 0x01, 0x01, + }, + nil, + []byte{0x4d, 0x10, 0x21, 0x96, 0xc9, 0x14, 0xca, 0x16}}, + { // 17 + []byte{ + 0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x04, 0x01, + 0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x04, 0x01, + 0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x04, 0x01, + }, + nil, + []byte{0x2d, 0xfa, 0x9f, 0x45, 0x73, 0x59, 0x49, 0x65}}, + { // 18 + []byte{ + 0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x01, 0x01, + 0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x01, 0x01, + 0x01, 0x07, 0x91, 0x04, 0x91, 0x19, 0x01, 0x01, + }, + nil, + []byte{0xb4, 0x66, 0x04, 0x81, 0x6c, 0x0e, 0x07, 0x74}}, + { // 19 + []byte{ + 0x01, 0x07, 0x94, 0x04, 0x91, 0x19, 0x04, 0x01, + 0x01, 0x07, 0x94, 0x04, 0x91, 0x19, 0x04, 0x01, + 0x01, 0x07, 0x94, 0x04, 0x91, 0x19, 0x04, 0x01, + }, + nil, + []byte{0x6e, 0x7e, 0x62, 0x21, 0xa4, 0xf3, 0x4e, 0x87}}, + { // 20 + []byte{ + 0x19, 0x07, 0x92, 0x10, 0x98, 0x1a, 0x01, 0x01, + 0x19, 0x07, 0x92, 0x10, 0x98, 0x1a, 0x01, 0x01, + 0x19, 0x07, 0x92, 0x10, 0x98, 0x1a, 0x01, 0x01, + }, + nil, + []byte{0xaa, 0x85, 0xe7, 0x46, 0x43, 0x23, 0x31, 0x99}}, + { // 21 + []byte{ + 0x10, 0x07, 0x91, 0x19, 0x98, 0x19, 0x08, 0x01, + 0x10, 0x07, 0x91, 0x19, 0x98, 0x19, 0x08, 0x01, + 0x10, 0x07, 0x91, 0x19, 0x98, 0x19, 0x08, 0x01, + }, + nil, + []byte{0x2e, 0x5a, 0x19, 0xdb, 0x4d, 0x19, 0x62, 0xd6}}, + { // 22 + []byte{ + 0x10, 0x07, 0x91, 0x19, 0x98, 0x1a, 0x08, 0x01, + 0x10, 0x07, 0x91, 0x19, 0x98, 0x1a, 0x08, 0x01, + 0x10, 0x07, 0x91, 0x19, 0x98, 0x1a, 0x08, 0x01, + }, + nil, + []byte{0x23, 0xa8, 0x66, 0xa8, 0x09, 0xd3, 0x08, 0x94}}, + { // 23 + []byte{ + 0x10, 0x07, 0x92, 0x10, 0x98, 0x19, 0x01, 0x01, + 0x10, 0x07, 0x92, 0x10, 0x98, 0x19, 0x01, 0x01, + 0x10, 0x07, 0x92, 0x10, 0x98, 0x19, 0x01, 0x01, + }, + nil, + []byte{0xd8, 0x12, 0xd9, 0x61, 0xf0, 0x17, 0xd3, 0x20}}, + { // 24 + []byte{ + 0x10, 0x07, 0x91, 0x15, 0x98, 0x19, 0x01, 0x0b, + 0x10, 0x07, 0x91, 0x15, 0x98, 0x19, 0x01, 0x0b, + 0x10, 0x07, 0x91, 0x15, 0x98, 0x19, 0x01, 0x0b, + }, + nil, + []byte{0x05, 0x56, 0x05, 0x81, 0x6e, 0x58, 0x60, 0x8f}}, + { // 25 + []byte{ + 0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x01, + 0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x01, + 0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x01, + }, + nil, + []byte{0xab, 0xd8, 0x8e, 0x8b, 0x1b, 0x77, 0x16, 0xf1}}, + { // 26 + []byte{ + 0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x02, + 0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x02, + 0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x02, + }, + nil, + []byte{0x53, 0x7a, 0xc9, 0x5b, 0xe6, 0x9d, 0xa1, 0xe1}}, + { // 27 + []byte{ + 0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x08, + 0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x08, + 0x10, 0x04, 0x80, 0x15, 0x98, 0x19, 0x01, 0x08, + }, + nil, + []byte{0xae, 0xd0, 0xf6, 0xae, 0x3c, 0x25, 0xcd, 0xd8}}, + { // 28 + []byte{ + 0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x01, 0x04, + 0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x01, 0x04, + 0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x01, 0x04, + }, + nil, + []byte{0xb3, 0xe3, 0x5a, 0x5e, 0xe5, 0x3e, 0x7b, 0x8d}}, + { // 29 + []byte{ + 0x10, 0x02, 0x91, 0x15, 0x98, 0x19, 0x01, 0x04, + 0x10, 0x02, 0x91, 0x15, 0x98, 0x19, 0x01, 0x04, + 0x10, 0x02, 0x91, 0x15, 0x98, 0x19, 0x01, 0x04, + }, + nil, + []byte{0x61, 0xc7, 0x9c, 0x71, 0x92, 0x1a, 0x2e, 0xf8}}, + { // 30 + []byte{ + 0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x02, 0x01, + 0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x02, 0x01, + 0x10, 0x02, 0x91, 0x15, 0x98, 0x10, 0x02, 0x01, + }, + nil, + []byte{0xe2, 0xf5, 0x72, 0x8f, 0x09, 0x95, 0x01, 0x3c}}, + { // 31 + []byte{ + 0x10, 0x02, 0x91, 0x16, 0x98, 0x10, 0x01, 0x01, + 0x10, 0x02, 0x91, 0x16, 0x98, 0x10, 0x01, 0x01, + 0x10, 0x02, 0x91, 0x16, 0x98, 0x10, 0x01, 0x01, + }, + nil, + []byte{0x1a, 0xea, 0xc3, 0x9a, 0x61, 0xf0, 0xa4, 0x64}}, +} + +// Table A.4 Values To Be Used for the Substitution Table Known Answer Test +var tableA4Tests = []CryptTest{ + { // 0 + []byte{ + 0x7c, 0xa1, 0x10, 0x45, 0x4a, 0x1a, 0x6e, 0x57, + 0x7c, 0xa1, 0x10, 0x45, 0x4a, 0x1a, 0x6e, 0x57, + 0x7c, 0xa1, 0x10, 0x45, 0x4a, 0x1a, 0x6e, 0x57}, + []byte{0x01, 0xa1, 0xd6, 0xd0, 0x39, 0x77, 0x67, 0x42}, + []byte{0x69, 0x0f, 0x5b, 0x0d, 0x9a, 0x26, 0x93, 0x9b}}, + { // 1 + []byte{ + 0x01, 0x31, 0xd9, 0x61, 0x9d, 0xc1, 0x37, 0x6e, + 0x01, 0x31, 0xd9, 0x61, 0x9d, 0xc1, 0x37, 0x6e, + 0x01, 0x31, 0xd9, 0x61, 0x9d, 0xc1, 0x37, 0x6e}, + []byte{0x5c, 0xd5, 0x4c, 0xa8, 0x3d, 0xef, 0x57, 0xda}, + []byte{0x7a, 0x38, 0x9d, 0x10, 0x35, 0x4b, 0xd2, 0x71}}, + { // 2 + []byte{ + 0x07, 0xa1, 0x13, 0x3e, 0x4a, 0x0b, 0x26, 0x86, + 0x07, 0xa1, 0x13, 0x3e, 0x4a, 0x0b, 0x26, 0x86, + 0x07, 0xa1, 0x13, 0x3e, 0x4a, 0x0b, 0x26, 0x86}, + []byte{0x02, 0x48, 0xd4, 0x38, 0x06, 0xf6, 0x71, 0x72}, + []byte{0x86, 0x8e, 0xbb, 0x51, 0xca, 0xb4, 0x59, 0x9a}}, + { // 3 + []byte{ + 0x38, 0x49, 0x67, 0x4c, 0x26, 0x02, 0x31, 0x9e, + 0x38, 0x49, 0x67, 0x4c, 0x26, 0x02, 0x31, 0x9e, + 0x38, 0x49, 0x67, 0x4c, 0x26, 0x02, 0x31, 0x9e}, + []byte{0x51, 0x45, 0x4b, 0x58, 0x2d, 0xdf, 0x44, 0x0a}, + []byte{0x71, 0x78, 0x87, 0x6e, 0x01, 0xf1, 0x9b, 0x2a}}, + { // 4 + []byte{ + 0x04, 0xb9, 0x15, 0xba, 0x43, 0xfe, 0xb5, 0xb6, + 0x04, 0xb9, 0x15, 0xba, 0x43, 0xfe, 0xb5, 0xb6, + 0x04, 0xb9, 0x15, 0xba, 0x43, 0xfe, 0xb5, 0xb6}, + []byte{0x42, 0xfd, 0x44, 0x30, 0x59, 0x57, 0x7f, 0xa2}, + []byte{0xaf, 0x37, 0xfb, 0x42, 0x1f, 0x8c, 0x40, 0x95}}, + { // 5 + []byte{ + 0x01, 0x13, 0xb9, 0x70, 0xfd, 0x34, 0xf2, 0xce, + 0x01, 0x13, 0xb9, 0x70, 0xfd, 0x34, 0xf2, 0xce, + 0x01, 0x13, 0xb9, 0x70, 0xfd, 0x34, 0xf2, 0xce}, + []byte{0x05, 0x9b, 0x5e, 0x08, 0x51, 0xcf, 0x14, 0x3a}, + []byte{0x86, 0xa5, 0x60, 0xf1, 0x0e, 0xc6, 0xd8, 0x5b}}, + { // 6 + []byte{ + 0x01, 0x70, 0xf1, 0x75, 0x46, 0x8f, 0xb5, 0xe6, + 0x01, 0x70, 0xf1, 0x75, 0x46, 0x8f, 0xb5, 0xe6, + 0x01, 0x70, 0xf1, 0x75, 0x46, 0x8f, 0xb5, 0xe6}, + []byte{0x07, 0x56, 0xd8, 0xe0, 0x77, 0x47, 0x61, 0xd2}, + []byte{0x0c, 0xd3, 0xda, 0x02, 0x00, 0x21, 0xdc, 0x09}}, + { // 7 + []byte{ + 0x43, 0x29, 0x7f, 0xad, 0x38, 0xe3, 0x73, 0xfe, + 0x43, 0x29, 0x7f, 0xad, 0x38, 0xe3, 0x73, 0xfe, + 0x43, 0x29, 0x7f, 0xad, 0x38, 0xe3, 0x73, 0xfe}, + []byte{0x76, 0x25, 0x14, 0xb8, 0x29, 0xbf, 0x48, 0x6a}, + []byte{0xea, 0x67, 0x6b, 0x2c, 0xb7, 0xdb, 0x2b, 0x7a}}, + { // 8 + []byte{ + 0x07, 0xa7, 0x13, 0x70, 0x45, 0xda, 0x2a, 0x16, + 0x07, 0xa7, 0x13, 0x70, 0x45, 0xda, 0x2a, 0x16, + 0x07, 0xa7, 0x13, 0x70, 0x45, 0xda, 0x2a, 0x16}, + []byte{0x3b, 0xdd, 0x11, 0x90, 0x49, 0x37, 0x28, 0x02}, + []byte{0xdf, 0xd6, 0x4a, 0x81, 0x5c, 0xaf, 0x1a, 0x0f}}, + { // 9 + []byte{ + 0x04, 0x68, 0x91, 0x04, 0xc2, 0xfd, 0x3b, 0x2f, + 0x04, 0x68, 0x91, 0x04, 0xc2, 0xfd, 0x3b, 0x2f, + 0x04, 0x68, 0x91, 0x04, 0xc2, 0xfd, 0x3b, 0x2f}, + []byte{0x26, 0x95, 0x5f, 0x68, 0x35, 0xaf, 0x60, 0x9a}, + []byte{0x5c, 0x51, 0x3c, 0x9c, 0x48, 0x86, 0xc0, 0x88}}, + { // 10 + []byte{ + 0x37, 0xd0, 0x6b, 0xb5, 0x16, 0xcb, 0x75, 0x46, + 0x37, 0xd0, 0x6b, 0xb5, 0x16, 0xcb, 0x75, 0x46, + 0x37, 0xd0, 0x6b, 0xb5, 0x16, 0xcb, 0x75, 0x46}, + []byte{0x16, 0x4d, 0x5e, 0x40, 0x4f, 0x27, 0x52, 0x32}, + []byte{0x0a, 0x2a, 0xee, 0xae, 0x3f, 0xf4, 0xab, 0x77}}, + { // 11 + []byte{ + 0x1f, 0x08, 0x26, 0x0d, 0x1a, 0xc2, 0x46, 0x5e, + 0x1f, 0x08, 0x26, 0x0d, 0x1a, 0xc2, 0x46, 0x5e, + 0x1f, 0x08, 0x26, 0x0d, 0x1a, 0xc2, 0x46, 0x5e}, + []byte{0x6b, 0x05, 0x6e, 0x18, 0x75, 0x9f, 0x5c, 0xca}, + []byte{0xef, 0x1b, 0xf0, 0x3e, 0x5d, 0xfa, 0x57, 0x5a}}, + { // 12 + []byte{ + 0x58, 0x40, 0x23, 0x64, 0x1a, 0xba, 0x61, 0x76, + 0x58, 0x40, 0x23, 0x64, 0x1a, 0xba, 0x61, 0x76, + 0x58, 0x40, 0x23, 0x64, 0x1a, 0xba, 0x61, 0x76}, + []byte{0x00, 0x4b, 0xd6, 0xef, 0x09, 0x17, 0x60, 0x62}, + []byte{0x88, 0xbf, 0x0d, 0xb6, 0xd7, 0x0d, 0xee, 0x56}}, + { // 13 + []byte{ + 0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xb0, 0x07, + 0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xb0, 0x07, + 0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xb0, 0x07}, + []byte{0x48, 0x0d, 0x39, 0x00, 0x6e, 0xe7, 0x62, 0xf2}, + []byte{0xa1, 0xf9, 0x91, 0x55, 0x41, 0x02, 0x0b, 0x56}}, + { // 14 + []byte{ + 0x49, 0x79, 0x3e, 0xbc, 0x79, 0xb3, 0x25, 0x8f, + 0x49, 0x79, 0x3e, 0xbc, 0x79, 0xb3, 0x25, 0x8f, + 0x49, 0x79, 0x3e, 0xbc, 0x79, 0xb3, 0x25, 0x8f}, + []byte{0x43, 0x75, 0x40, 0xc8, 0x69, 0x8f, 0x3c, 0xfa}, + []byte{0x6f, 0xbf, 0x1c, 0xaf, 0xcf, 0xfd, 0x05, 0x56}}, + { // 15 + []byte{ + 0x4f, 0xb0, 0x5e, 0x15, 0x15, 0xab, 0x73, 0xa7, + 0x4f, 0xb0, 0x5e, 0x15, 0x15, 0xab, 0x73, 0xa7, + 0x4f, 0xb0, 0x5e, 0x15, 0x15, 0xab, 0x73, 0xa7}, + []byte{0x07, 0x2d, 0x43, 0xa0, 0x77, 0x07, 0x52, 0x92}, + []byte{0x2f, 0x22, 0xe4, 0x9b, 0xab, 0x7c, 0xa1, 0xac}}, + { // 16 + []byte{ + 0x49, 0xe9, 0x5d, 0x6d, 0x4c, 0xa2, 0x29, 0xbf, + 0x49, 0xe9, 0x5d, 0x6d, 0x4c, 0xa2, 0x29, 0xbf, + 0x49, 0xe9, 0x5d, 0x6d, 0x4c, 0xa2, 0x29, 0xbf}, + []byte{0x02, 0xfe, 0x55, 0x77, 0x81, 0x17, 0xf1, 0x2a}, + []byte{0x5a, 0x6b, 0x61, 0x2c, 0xc2, 0x6c, 0xce, 0x4a}}, + { // 17 + []byte{ + 0x01, 0x83, 0x10, 0xdc, 0x40, 0x9b, 0x26, 0xd6, + 0x01, 0x83, 0x10, 0xdc, 0x40, 0x9b, 0x26, 0xd6, + 0x01, 0x83, 0x10, 0xdc, 0x40, 0x9b, 0x26, 0xd6}, + []byte{0x1d, 0x9d, 0x5c, 0x50, 0x18, 0xf7, 0x28, 0xc2}, + []byte{0x5f, 0x4c, 0x03, 0x8e, 0xd1, 0x2b, 0x2e, 0x41}}, + { // 18 + []byte{ + 0x1c, 0x58, 0x7f, 0x1c, 0x13, 0x92, 0x4f, 0xef, + 0x1c, 0x58, 0x7f, 0x1c, 0x13, 0x92, 0x4f, 0xef, + 0x1c, 0x58, 0x7f, 0x1c, 0x13, 0x92, 0x4f, 0xef}, + []byte{0x30, 0x55, 0x32, 0x28, 0x6d, 0x6f, 0x29, 0x5a}, + []byte{0x63, 0xfa, 0xc0, 0xd0, 0x34, 0xd9, 0xf7, 0x93}}, +} + +func newCipher(key []byte) *desCipher { + c, err := NewCipher(key) + if err != nil { + panic("NewCipher failed: " + err.Error()) + } + return c.(*desCipher) +} + +// Use the known weak keys to test DES implementation +func TestWeakKeys(t *testing.T) { + for i, tt := range weakKeyTests { + var encrypt = func(in []byte) (out []byte) { + c := newCipher(tt.key) + out = make([]byte, len(in)) + encryptBlock(c.subkeys[:], out, in) + return + } + + // Encrypting twice with a DES weak + // key should reproduce the original input + result := encrypt(tt.in) + result = encrypt(result) + + if !bytes.Equal(result, tt.in) { + t.Errorf("#%d: result: %x want: %x", i, result, tt.in) + } + } +} + +// Use the known semi-weak key pairs to test DES implementation +func TestSemiWeakKeyPairs(t *testing.T) { + for i, tt := range semiWeakKeyTests { + var encrypt = func(key, in []byte) (out []byte) { + c := newCipher(key) + out = make([]byte, len(in)) + encryptBlock(c.subkeys[:], out, in) + return + } + + // Encrypting with one member of the semi-weak pair + // and then encrypting the result with the other member + // should reproduce the original input. + result := encrypt(tt.key, tt.in) + result = encrypt(tt.out, result) + + if !bytes.Equal(result, tt.in) { + t.Errorf("#%d: result: %x want: %x", i, result, tt.in) + } + } +} + +func TestDESEncryptBlock(t *testing.T) { + for i, tt := range encryptDESTests { + c := newCipher(tt.key) + out := make([]byte, len(tt.in)) + encryptBlock(c.subkeys[:], out, tt.in) + + if !bytes.Equal(out, tt.out) { + t.Errorf("#%d: result: %x want: %x", i, out, tt.out) + } + } +} + +func TestDESDecryptBlock(t *testing.T) { + for i, tt := range encryptDESTests { + c := newCipher(tt.key) + plain := make([]byte, len(tt.in)) + decryptBlock(c.subkeys[:], plain, tt.out) + + if !bytes.Equal(plain, tt.in) { + t.Errorf("#%d: result: %x want: %x", i, plain, tt.in) + } + } +} + +func TestEncryptTripleDES(t *testing.T) { + for i, tt := range encryptTripleDESTests { + c, _ := NewTripleDESCipher(tt.key) + out := make([]byte, len(tt.in)) + c.Encrypt(out, tt.in) + + if !bytes.Equal(out, tt.out) { + t.Errorf("#%d: result: %x want: %x", i, out, tt.out) + } + } +} + +func TestDecryptTripleDES(t *testing.T) { + for i, tt := range encryptTripleDESTests { + c, _ := NewTripleDESCipher(tt.key) + + plain := make([]byte, len(tt.in)) + c.Decrypt(plain, tt.out) + + if !bytes.Equal(plain, tt.in) { + t.Errorf("#%d: result: %x want: %x", i, plain, tt.in) + } + } +} + +// Defined in Pub 800-20 +func TestVariablePlaintextKnownAnswer(t *testing.T) { + for i, tt := range tableA1Tests { + c, _ := NewTripleDESCipher(tableA1Key) + + out := make([]byte, len(tt.in)) + c.Encrypt(out, tt.in) + + if !bytes.Equal(out, tt.out) { + t.Errorf("#%d: result: %x want: %x", i, out, tt.out) + } + } +} + +// Defined in Pub 800-20 +func TestVariableCiphertextKnownAnswer(t *testing.T) { + for i, tt := range tableA1Tests { + c, _ := NewTripleDESCipher(tableA1Key) + + plain := make([]byte, len(tt.out)) + c.Decrypt(plain, tt.out) + + if !bytes.Equal(plain, tt.in) { + t.Errorf("#%d: result: %x want: %x", i, plain, tt.in) + } + } +} + +// Defined in Pub 800-20 +// Encrypting the Table A.1 ciphertext with the +// 0x01... key produces the original plaintext +func TestInversePermutationKnownAnswer(t *testing.T) { + for i, tt := range tableA1Tests { + c, _ := NewTripleDESCipher(tableA1Key) + + plain := make([]byte, len(tt.in)) + c.Encrypt(plain, tt.out) + + if !bytes.Equal(plain, tt.in) { + t.Errorf("#%d: result: %x want: %x", i, plain, tt.in) + } + } +} + +// Defined in Pub 800-20 +// Decrypting the Table A.1 plaintext with the +// 0x01... key produces the corresponding ciphertext +func TestInitialPermutationKnownAnswer(t *testing.T) { + for i, tt := range tableA1Tests { + c, _ := NewTripleDESCipher(tableA1Key) + + out := make([]byte, len(tt.in)) + c.Decrypt(out, tt.in) + + if !bytes.Equal(out, tt.out) { + t.Errorf("#%d: result: %x want: %x", i, out, tt.out) + } + } +} + +// Defined in Pub 800-20 +func TestVariableKeyKnownAnswerEncrypt(t *testing.T) { + for i, tt := range tableA2Tests { + c, _ := NewTripleDESCipher(tt.key) + + out := make([]byte, len(tableA2Plaintext)) + c.Encrypt(out, tableA2Plaintext) + + if !bytes.Equal(out, tt.out) { + t.Errorf("#%d: result: %x want: %x", i, out, tt.out) + } + } +} + +// Defined in Pub 800-20 +func TestVariableKeyKnownAnswerDecrypt(t *testing.T) { + for i, tt := range tableA2Tests { + c, _ := NewTripleDESCipher(tt.key) + + out := make([]byte, len(tt.out)) + c.Decrypt(out, tt.out) + + if !bytes.Equal(out, tableA2Plaintext) { + t.Errorf("#%d: result: %x want: %x", i, out, tableA2Plaintext) + } + } +} + +// Defined in Pub 800-20 +func TestPermutationOperationKnownAnswerEncrypt(t *testing.T) { + for i, tt := range tableA3Tests { + c, _ := NewTripleDESCipher(tt.key) + + out := make([]byte, len(tableA3Plaintext)) + c.Encrypt(out, tableA3Plaintext) + + if !bytes.Equal(out, tt.out) { + t.Errorf("#%d: result: %x want: %x", i, out, tt.out) + } + } +} + +// Defined in Pub 800-20 +func TestPermutationOperationKnownAnswerDecrypt(t *testing.T) { + for i, tt := range tableA3Tests { + c, _ := NewTripleDESCipher(tt.key) + + out := make([]byte, len(tt.out)) + c.Decrypt(out, tt.out) + + if !bytes.Equal(out, tableA3Plaintext) { + t.Errorf("#%d: result: %x want: %x", i, out, tableA3Plaintext) + } + } +} + +// Defined in Pub 800-20 +func TestSubstitutionTableKnownAnswerEncrypt(t *testing.T) { + for i, tt := range tableA4Tests { + c, _ := NewTripleDESCipher(tt.key) + + out := make([]byte, len(tt.in)) + c.Encrypt(out, tt.in) + + if !bytes.Equal(out, tt.out) { + t.Errorf("#%d: result: %x want: %x", i, out, tt.out) + } + } +} + +// Defined in Pub 800-20 +func TestSubstitutionTableKnownAnswerDecrypt(t *testing.T) { + for i, tt := range tableA4Tests { + c, _ := NewTripleDESCipher(tt.key) + + out := make([]byte, len(tt.out)) + c.Decrypt(out, tt.out) + + if !bytes.Equal(out, tt.in) { + t.Errorf("#%d: result: %x want: %x", i, out, tt.in) + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/dsa/dsa.go b/gcc-4.7/libgo/go/crypto/dsa/dsa.go new file mode 100644 index 000000000..05766a2f1 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/dsa/dsa.go @@ -0,0 +1,270 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package dsa implements the Digital Signature Algorithm, as defined in FIPS 186-3. +package dsa + +import ( + "errors" + "io" + "math/big" +) + +// Parameters represents the domain parameters for a key. These parameters can +// be shared across many keys. The bit length of Q must be a multiple of 8. +type Parameters struct { + P, Q, G *big.Int +} + +// PublicKey represents a DSA public key. +type PublicKey struct { + Parameters + Y *big.Int +} + +// PrivateKey represents a DSA private key. +type PrivateKey struct { + PublicKey + X *big.Int +} + +// ErrInvalidPublicKey results when a public key is not usable by this code. +// FIPS is quite strict about the format of DSA keys, but other code may be +// less so. Thus, when using keys which may have been generated by other code, +// this error must be handled. +var ErrInvalidPublicKey = errors.New("crypto/dsa: invalid public key") + +// ParameterSizes is a enumeration of the acceptable bit lengths of the primes +// in a set of DSA parameters. See FIPS 186-3, section 4.2. +type ParameterSizes int + +const ( + L1024N160 ParameterSizes = iota + L2048N224 + L2048N256 + L3072N256 +) + +// numMRTests is the number of Miller-Rabin primality tests that we perform. We +// pick the largest recommended number from table C.1 of FIPS 186-3. +const numMRTests = 64 + +// GenerateParameters puts a random, valid set of DSA parameters into params. +// This function takes many seconds, even on fast machines. +func GenerateParameters(params *Parameters, rand io.Reader, sizes ParameterSizes) (err error) { + // This function doesn't follow FIPS 186-3 exactly in that it doesn't + // use a verification seed to generate the primes. The verification + // seed doesn't appear to be exported or used by other code and + // omitting it makes the code cleaner. + + var L, N int + switch sizes { + case L1024N160: + L = 1024 + N = 160 + case L2048N224: + L = 2048 + N = 224 + case L2048N256: + L = 2048 + N = 256 + case L3072N256: + L = 3072 + N = 256 + default: + return errors.New("crypto/dsa: invalid ParameterSizes") + } + + qBytes := make([]byte, N/8) + pBytes := make([]byte, L/8) + + q := new(big.Int) + p := new(big.Int) + rem := new(big.Int) + one := new(big.Int) + one.SetInt64(1) + +GeneratePrimes: + for { + _, err = io.ReadFull(rand, qBytes) + if err != nil { + return + } + + qBytes[len(qBytes)-1] |= 1 + qBytes[0] |= 0x80 + q.SetBytes(qBytes) + + if !q.ProbablyPrime(numMRTests) { + continue + } + + for i := 0; i < 4*L; i++ { + _, err = io.ReadFull(rand, pBytes) + if err != nil { + return + } + + pBytes[len(pBytes)-1] |= 1 + pBytes[0] |= 0x80 + + p.SetBytes(pBytes) + rem.Mod(p, q) + rem.Sub(rem, one) + p.Sub(p, rem) + if p.BitLen() < L { + continue + } + + if !p.ProbablyPrime(numMRTests) { + continue + } + + params.P = p + params.Q = q + break GeneratePrimes + } + } + + h := new(big.Int) + h.SetInt64(2) + g := new(big.Int) + + pm1 := new(big.Int).Sub(p, one) + e := new(big.Int).Div(pm1, q) + + for { + g.Exp(h, e, p) + if g.Cmp(one) == 0 { + h.Add(h, one) + continue + } + + params.G = g + return + } + + panic("unreachable") +} + +// GenerateKey generates a public&private key pair. The Parameters of the +// PrivateKey must already be valid (see GenerateParameters). +func GenerateKey(priv *PrivateKey, rand io.Reader) error { + if priv.P == nil || priv.Q == nil || priv.G == nil { + return errors.New("crypto/dsa: parameters not set up before generating key") + } + + x := new(big.Int) + xBytes := make([]byte, priv.Q.BitLen()/8) + + for { + _, err := io.ReadFull(rand, xBytes) + if err != nil { + return err + } + x.SetBytes(xBytes) + if x.Sign() != 0 && x.Cmp(priv.Q) < 0 { + break + } + } + + priv.X = x + priv.Y = new(big.Int) + priv.Y.Exp(priv.G, x, priv.P) + return nil +} + +// Sign signs an arbitrary length hash (which should be the result of hashing a +// larger message) using the private key, priv. It returns the signature as a +// pair of integers. The security of the private key depends on the entropy of +// rand. +// +// Note that FIPS 186-3 section 4.6 specifies that the hash should be truncated +// to the byte-length of the subgroup. This function does not perform that +// truncation itself. +func Sign(rand io.Reader, priv *PrivateKey, hash []byte) (r, s *big.Int, err error) { + // FIPS 186-3, section 4.6 + + n := priv.Q.BitLen() + if n&7 != 0 { + err = ErrInvalidPublicKey + return + } + n >>= 3 + + for { + k := new(big.Int) + buf := make([]byte, n) + for { + _, err = io.ReadFull(rand, buf) + if err != nil { + return + } + k.SetBytes(buf) + if k.Sign() > 0 && k.Cmp(priv.Q) < 0 { + break + } + } + + kInv := new(big.Int).ModInverse(k, priv.Q) + + r = new(big.Int).Exp(priv.G, k, priv.P) + r.Mod(r, priv.Q) + + if r.Sign() == 0 { + continue + } + + z := k.SetBytes(hash) + + s = new(big.Int).Mul(priv.X, r) + s.Add(s, z) + s.Mod(s, priv.Q) + s.Mul(s, kInv) + s.Mod(s, priv.Q) + + if s.Sign() != 0 { + break + } + } + + return +} + +// Verify verifies the signature in r, s of hash using the public key, pub. It +// reports whether the signature is valid. +// +// Note that FIPS 186-3 section 4.6 specifies that the hash should be truncated +// to the byte-length of the subgroup. This function does not perform that +// truncation itself. +func Verify(pub *PublicKey, hash []byte, r, s *big.Int) bool { + // FIPS 186-3, section 4.7 + + if r.Sign() < 1 || r.Cmp(pub.Q) >= 0 { + return false + } + if s.Sign() < 1 || s.Cmp(pub.Q) >= 0 { + return false + } + + w := new(big.Int).ModInverse(s, pub.Q) + + n := pub.Q.BitLen() + if n&7 != 0 { + return false + } + z := new(big.Int).SetBytes(hash) + + u1 := new(big.Int).Mul(z, w) + u1.Mod(u1, pub.Q) + u2 := w.Mul(r, w) + u2.Mod(u2, pub.Q) + v := u1.Exp(pub.G, u1, pub.P) + u2.Exp(pub.Y, u2, pub.P) + v.Mul(v, u2) + v.Mod(v, pub.P) + v.Mod(v, pub.Q) + + return v.Cmp(r) == 0 +} diff --git a/gcc-4.7/libgo/go/crypto/dsa/dsa_test.go b/gcc-4.7/libgo/go/crypto/dsa/dsa_test.go new file mode 100644 index 000000000..177aa444d --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/dsa/dsa_test.go @@ -0,0 +1,84 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package dsa + +import ( + "crypto/rand" + "math/big" + "testing" +) + +func testSignAndVerify(t *testing.T, i int, priv *PrivateKey) { + hashed := []byte("testing") + r, s, err := Sign(rand.Reader, priv, hashed) + if err != nil { + t.Errorf("%d: error signing: %s", i, err) + return + } + + if !Verify(&priv.PublicKey, hashed, r, s) { + t.Errorf("%d: Verify failed", i) + } +} + +func testParameterGeneration(t *testing.T, sizes ParameterSizes, L, N int) { + var priv PrivateKey + params := &priv.Parameters + + err := GenerateParameters(params, rand.Reader, sizes) + if err != nil { + t.Errorf("%d: %s", int(sizes), err) + return + } + + if params.P.BitLen() != L { + t.Errorf("%d: params.BitLen got:%d want:%d", int(sizes), params.P.BitLen(), L) + } + + if params.Q.BitLen() != N { + t.Errorf("%d: q.BitLen got:%d want:%d", int(sizes), params.Q.BitLen(), L) + } + + one := new(big.Int) + one.SetInt64(1) + pm1 := new(big.Int).Sub(params.P, one) + quo, rem := new(big.Int).DivMod(pm1, params.Q, new(big.Int)) + if rem.Sign() != 0 { + t.Errorf("%d: p-1 mod q != 0", int(sizes)) + } + x := new(big.Int).Exp(params.G, quo, params.P) + if x.Cmp(one) == 0 { + t.Errorf("%d: invalid generator", int(sizes)) + } + + err = GenerateKey(&priv, rand.Reader) + if err != nil { + t.Errorf("error generating key: %s", err) + return + } + + testSignAndVerify(t, int(sizes), &priv) +} + +func TestParameterGeneration(t *testing.T) { + // This test is too slow to run all the time. + return + + testParameterGeneration(t, L1024N160, 1024, 160) + testParameterGeneration(t, L2048N224, 2048, 224) + testParameterGeneration(t, L2048N256, 2048, 256) + testParameterGeneration(t, L3072N256, 3072, 256) +} + +func TestSignAndVerify(t *testing.T) { + var priv PrivateKey + priv.P, _ = new(big.Int).SetString("A9B5B793FB4785793D246BAE77E8FF63CA52F442DA763C440259919FE1BC1D6065A9350637A04F75A2F039401D49F08E066C4D275A5A65DA5684BC563C14289D7AB8A67163BFBF79D85972619AD2CFF55AB0EE77A9002B0EF96293BDD0F42685EBB2C66C327079F6C98000FBCB79AACDE1BC6F9D5C7B1A97E3D9D54ED7951FEF", 16) + priv.Q, _ = new(big.Int).SetString("E1D3391245933D68A0714ED34BBCB7A1F422B9C1", 16) + priv.G, _ = new(big.Int).SetString("634364FC25248933D01D1993ECABD0657CC0CB2CEED7ED2E3E8AECDFCDC4A25C3B15E9E3B163ACA2984B5539181F3EFF1A5E8903D71D5B95DA4F27202B77D2C44B430BB53741A8D59A8F86887525C9F2A6A5980A195EAA7F2FF910064301DEF89D3AA213E1FAC7768D89365318E370AF54A112EFBA9246D9158386BA1B4EEFDA", 16) + priv.Y, _ = new(big.Int).SetString("32969E5780CFE1C849A1C276D7AEB4F38A23B591739AA2FE197349AEEBD31366AEE5EB7E6C6DDB7C57D02432B30DB5AA66D9884299FAA72568944E4EEDC92EA3FBC6F39F53412FBCC563208F7C15B737AC8910DBC2D9C9B8C001E72FDC40EB694AB1F06A5A2DBD18D9E36C66F31F566742F11EC0A52E9F7B89355C02FB5D32D2", 16) + priv.X, _ = new(big.Int).SetString("5078D4D29795CBE76D3AACFE48C9AF0BCDBEE91A", 16) + + testSignAndVerify(t, 0, &priv) +} diff --git a/gcc-4.7/libgo/go/crypto/ecdsa/ecdsa.go b/gcc-4.7/libgo/go/crypto/ecdsa/ecdsa.go new file mode 100644 index 000000000..8508e3b4f --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/ecdsa/ecdsa.go @@ -0,0 +1,153 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package ecdsa implements the Elliptic Curve Digital Signature Algorithm, as +// defined in FIPS 186-3. +package ecdsa + +// References: +// [NSA]: Suite B implementer's guide to FIPS 186-3, +// http://www.nsa.gov/ia/_files/ecdsa.pdf +// [SECG]: SECG, SEC1 +// http://www.secg.org/download/aid-780/sec1-v2.pdf + +import ( + "crypto/elliptic" + "io" + "math/big" +) + +// PublicKey represents an ECDSA public key. +type PublicKey struct { + elliptic.Curve + X, Y *big.Int +} + +// PrivateKey represents a ECDSA private key. +type PrivateKey struct { + PublicKey + D *big.Int +} + +var one = new(big.Int).SetInt64(1) + +// randFieldElement returns a random element of the field underlying the given +// curve using the procedure given in [NSA] A.2.1. +func randFieldElement(c elliptic.Curve, rand io.Reader) (k *big.Int, err error) { + params := c.Params() + b := make([]byte, params.BitSize/8+8) + _, err = io.ReadFull(rand, b) + if err != nil { + return + } + + k = new(big.Int).SetBytes(b) + n := new(big.Int).Sub(params.N, one) + k.Mod(k, n) + k.Add(k, one) + return +} + +// GenerateKey generates a public&private key pair. +func GenerateKey(c elliptic.Curve, rand io.Reader) (priv *PrivateKey, err error) { + k, err := randFieldElement(c, rand) + if err != nil { + return + } + + priv = new(PrivateKey) + priv.PublicKey.Curve = c + priv.D = k + priv.PublicKey.X, priv.PublicKey.Y = c.ScalarBaseMult(k.Bytes()) + return +} + +// hashToInt converts a hash value to an integer. There is some disagreement +// about how this is done. [NSA] suggests that this is done in the obvious +// manner, but [SECG] truncates the hash to the bit-length of the curve order +// first. We follow [SECG] because that's what OpenSSL does. Additionally, +// OpenSSL right shifts excess bits from the number if the hash is too large +// and we mirror that too. +func hashToInt(hash []byte, c elliptic.Curve) *big.Int { + orderBits := c.Params().N.BitLen() + orderBytes := (orderBits + 7) / 8 + if len(hash) > orderBytes { + hash = hash[:orderBytes] + } + + ret := new(big.Int).SetBytes(hash) + excess := len(hash)*8 - orderBits + if excess > 0 { + ret.Rsh(ret, uint(excess)) + } + return ret +} + +// Sign signs an arbitrary length hash (which should be the result of hashing a +// larger message) using the private key, priv. It returns the signature as a +// pair of integers. The security of the private key depends on the entropy of +// rand. +func Sign(rand io.Reader, priv *PrivateKey, hash []byte) (r, s *big.Int, err error) { + // See [NSA] 3.4.1 + c := priv.PublicKey.Curve + N := c.Params().N + + var k, kInv *big.Int + for { + for { + k, err = randFieldElement(c, rand) + if err != nil { + r = nil + return + } + + kInv = new(big.Int).ModInverse(k, N) + r, _ = priv.Curve.ScalarBaseMult(k.Bytes()) + r.Mod(r, N) + if r.Sign() != 0 { + break + } + } + + e := hashToInt(hash, c) + s = new(big.Int).Mul(priv.D, r) + s.Add(s, e) + s.Mul(s, kInv) + s.Mod(s, N) + if s.Sign() != 0 { + break + } + } + + return +} + +// Verify verifies the signature in r, s of hash using the public key, pub. It +// returns true iff the signature is valid. +func Verify(pub *PublicKey, hash []byte, r, s *big.Int) bool { + // See [NSA] 3.4.2 + c := pub.Curve + N := c.Params().N + + if r.Sign() == 0 || s.Sign() == 0 { + return false + } + if r.Cmp(N) >= 0 || s.Cmp(N) >= 0 { + return false + } + e := hashToInt(hash, c) + w := new(big.Int).ModInverse(s, N) + + u1 := e.Mul(e, w) + u2 := w.Mul(r, w) + + x1, y1 := c.ScalarBaseMult(u1.Bytes()) + x2, y2 := c.ScalarMult(pub.X, pub.Y, u2.Bytes()) + if x1.Cmp(x2) == 0 { + return false + } + x, _ := c.Add(x1, y1, x2, y2) + x.Mod(x, N) + return x.Cmp(r) == 0 +} diff --git a/gcc-4.7/libgo/go/crypto/ecdsa/ecdsa_test.go b/gcc-4.7/libgo/go/crypto/ecdsa/ecdsa_test.go new file mode 100644 index 000000000..3a2b3efba --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/ecdsa/ecdsa_test.go @@ -0,0 +1,227 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ecdsa + +import ( + "crypto/elliptic" + "crypto/rand" + "crypto/sha1" + "encoding/hex" + "math/big" + "testing" +) + +func testKeyGeneration(t *testing.T, c elliptic.Curve, tag string) { + priv, err := GenerateKey(c, rand.Reader) + if err != nil { + t.Errorf("%s: error: %s", tag, err) + return + } + if !c.IsOnCurve(priv.PublicKey.X, priv.PublicKey.Y) { + t.Errorf("%s: public key invalid: %s", tag, err) + } +} + +func TestKeyGeneration(t *testing.T) { + testKeyGeneration(t, elliptic.P224(), "p224") + if testing.Short() { + return + } + testKeyGeneration(t, elliptic.P256(), "p256") + testKeyGeneration(t, elliptic.P384(), "p384") + testKeyGeneration(t, elliptic.P521(), "p521") +} + +func testSignAndVerify(t *testing.T, c elliptic.Curve, tag string) { + priv, _ := GenerateKey(c, rand.Reader) + + hashed := []byte("testing") + r, s, err := Sign(rand.Reader, priv, hashed) + if err != nil { + t.Errorf("%s: error signing: %s", tag, err) + return + } + + if !Verify(&priv.PublicKey, hashed, r, s) { + t.Errorf("%s: Verify failed", tag) + } + + hashed[0] ^= 0xff + if Verify(&priv.PublicKey, hashed, r, s) { + t.Errorf("%s: Verify always works!", tag) + } +} + +func TestSignAndVerify(t *testing.T) { + testSignAndVerify(t, elliptic.P224(), "p224") + if testing.Short() { + return + } + testSignAndVerify(t, elliptic.P256(), "p256") + testSignAndVerify(t, elliptic.P384(), "p384") + testSignAndVerify(t, elliptic.P521(), "p521") +} + +func fromHex(s string) *big.Int { + r, ok := new(big.Int).SetString(s, 16) + if !ok { + panic("bad hex") + } + return r +} + +// These test vectors were taken from +// http://csrc.nist.gov/groups/STM/cavp/documents/dss/ecdsatestvectors.zip +var testVectors = []struct { + msg string + Qx, Qy string + r, s string + ok bool +}{ + { + "09626b45493672e48f3d1226a3aff3201960e577d33a7f72c7eb055302db8fe8ed61685dd036b554942a5737cd1512cdf811ee0c00e6dd2f08c69f08643be396e85dafda664801e772cdb7396868ac47b172245b41986aa2648cb77fbbfa562581be06651355a0c4b090f9d17d8f0ab6cced4e0c9d386cf465a516630f0231bd", + "9504b5b82d97a264d8b3735e0568decabc4b6ca275bc53cbadfc1c40", + "03426f80e477603b10dee670939623e3da91a94267fc4e51726009ed", + "81d3ac609f9575d742028dd496450a58a60eea2dcf8b9842994916e1", + "96a8c5f382c992e8f30ccce9af120b067ec1d74678fa8445232f75a5", + false, + }, + { + "96b2b6536f6df29be8567a72528aceeaccbaa66c66c534f3868ca9778b02faadb182e4ed34662e73b9d52ecbe9dc8e875fc05033c493108b380689ebf47e5b062e6a0cdb3dd34ce5fe347d92768d72f7b9b377c20aea927043b509c078ed2467d7113405d2ddd458811e6faf41c403a2a239240180f1430a6f4330df5d77de37", + "851e3100368a22478a0029353045ae40d1d8202ef4d6533cfdddafd8", + "205302ac69457dd345e86465afa72ee8c74ca97e2b0b999aec1f10c2", + "4450c2d38b697e990721aa2dbb56578d32b4f5aeb3b9072baa955ee0", + "e26d4b589166f7b4ba4b1c8fce823fa47aad22f8c9c396b8c6526e12", + false, + }, + { + "86778dbb4a068a01047a8d245d632f636c11d2ad350740b36fad90428b454ad0f120cb558d12ea5c8a23db595d87543d06d1ef489263d01ee529871eb68737efdb8ff85bc7787b61514bed85b7e01d6be209e0a4eb0db5c8df58a5c5bf706d76cb2bdf7800208639e05b89517155d11688236e6a47ed37d8e5a2b1e0adea338e", + "ad5bda09d319a717c1721acd6688d17020b31b47eef1edea57ceeffc", + "c8ce98e181770a7c9418c73c63d01494b8b80a41098c5ea50692c984", + "de5558c257ab4134e52c19d8db3b224a1899cbd08cc508ce8721d5e9", + "745db7af5a477e5046705c0a5eff1f52cb94a79d481f0c5a5e108ecd", + true, + }, + { + "4bc6ef1958556686dab1e39c3700054a304cbd8f5928603dcd97fafd1f29e69394679b638f71c9344ce6a535d104803d22119f57b5f9477e253817a52afa9bfbc9811d6cc8c8be6b6566c6ef48b439bbb532abe30627548c598867f3861ba0b154dc1c3deca06eb28df8efd28258554b5179883a36fbb1eecf4f93ee19d41e3d", + "cc5eea2edf964018bdc0504a3793e4d2145142caa09a72ac5fb8d3e8", + "a48d78ae5d08aa725342773975a00d4219cf7a8029bb8cf3c17c374a", + 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"9a8983c42f2b5a87c37a00458b5970320d247f0c8a88536440173f7d", + "15e489ec6355351361900299088cfe8359f04fe0cab78dde952be80c", + "929a21baa173d438ec9f28d6a585a2f9abcfc0a4300898668e476dc0", + "59a853f046da8318de77ff43f26fe95a92ee296fa3f7e56ce086c872", + true, + }, + { + "1078eac124f48ae4f807e946971d0de3db3748dd349b14cca5c942560fb25401b2252744f18ad5e455d2d97ed5ae745f55ff509c6c8e64606afe17809affa855c4c4cdcaf6b69ab4846aa5624ed0687541aee6f2224d929685736c6a23906d974d3c257abce1a3fb8db5951b89ecb0cda92b5207d93f6618fd0f893c32cf6a6e", + "d6e55820bb62c2be97650302d59d667a411956138306bd566e5c3c2b", + "631ab0d64eaf28a71b9cbd27a7a88682a2167cee6251c44e3810894f", + "65af72bc7721eb71c2298a0eb4eed3cec96a737cc49125706308b129", + "bd5a987c78e2d51598dbd9c34a9035b0069c580edefdacee17ad892a", + false, + }, + { + "919deb1fdd831c23481dfdb2475dcbe325b04c34f82561ced3d2df0b3d749b36e255c4928973769d46de8b95f162b53cd666cad9ae145e7fcfba97919f703d864efc11eac5f260a5d920d780c52899e5d76f8fe66936ff82130761231f536e6a3d59792f784902c469aa897aabf9a0678f93446610d56d5e0981e4c8a563556b", + "269b455b1024eb92d860a420f143ac1286b8cce43031562ae7664574", + "baeb6ca274a77c44a0247e5eb12ca72bdd9a698b3f3ae69c9f1aaa57", + "cb4ec2160f04613eb0dfe4608486091a25eb12aa4dec1afe91cfb008", + "40b01d8cd06589481574f958b98ca08ade9d2a8fe31024375c01bb40", + false, + }, + { + "6e012361250dacf6166d2dd1aa7be544c3206a9d43464b3fcd90f3f8cf48d08ec099b59ba6fe7d9bdcfaf244120aed1695d8be32d1b1cd6f143982ab945d635fb48a7c76831c0460851a3d62b7209c30cd9c2abdbe3d2a5282a9fcde1a6f418dd23c409bc351896b9b34d7d3a1a63bbaf3d677e612d4a80fa14829386a64b33f", + "6d2d695efc6b43b13c14111f2109608f1020e3e03b5e21cfdbc82fcd", + "26a4859296b7e360b69cf40be7bd97ceaffa3d07743c8489fc47ca1b", + "9a8cb5f2fdc288b7183c5b32d8e546fc2ed1ca4285eeae00c8b572ad", + "8c623f357b5d0057b10cdb1a1593dab57cda7bdec9cf868157a79b97", + true, + }, + { + "bf6bd7356a52b234fe24d25557200971fc803836f6fec3cade9642b13a8e7af10ab48b749de76aada9d8927f9b12f75a2c383ca7358e2566c4bb4f156fce1fd4e87ef8c8d2b6b1bdd351460feb22cdca0437ac10ca5e0abbbce9834483af20e4835386f8b1c96daaa41554ceee56730aac04f23a5c765812efa746051f396566", + "14250131b2599939cf2d6bc491be80ddfe7ad9de644387ee67de2d40", + "b5dc473b5d014cd504022043c475d3f93c319a8bdcb7262d9e741803", + "4f21642f2201278a95339a80f75cc91f8321fcb3c9462562f6cbf145", + "452a5f816ea1f75dee4fd514fa91a0d6a43622981966c59a1b371ff8", + false, + }, + { + "0eb7f4032f90f0bd3cf9473d6d9525d264d14c031a10acd31a053443ed5fe919d5ac35e0be77813071b4062f0b5fdf58ad5f637b76b0b305aec18f82441b6e607b44cdf6e0e3c7c57f24e6fd565e39430af4a6b1d979821ed0175fa03e3125506847654d7e1ae904ce1190ae38dc5919e257bdac2db142a6e7cd4da6c2e83770", + "d1f342b7790a1667370a1840255ac5bbbdc66f0bc00ae977d99260ac", + "76416cabae2de9a1000b4646338b774baabfa3db4673790771220cdb", + "bc85e3fc143d19a7271b2f9e1c04b86146073f3fab4dda1c3b1f35ca", + "9a5c70ede3c48d5f43307a0c2a4871934424a3303b815df4bb0f128e", + false, + }, + { + "5cc25348a05d85e56d4b03cec450128727bc537c66ec3a9fb613c151033b5e86878632249cba83adcefc6c1e35dcd31702929c3b57871cda5c18d1cf8f9650a25b917efaed56032e43b6fc398509f0d2997306d8f26675f3a8683b79ce17128e006aa0903b39eeb2f1001be65de0520115e6f919de902b32c38d691a69c58c92", + "7e49a7abf16a792e4c7bbc4d251820a2abd22d9f2fc252a7bf59c9a6", + "44236a8fb4791c228c26637c28ae59503a2f450d4cfb0dc42aa843b9", + "084461b4050285a1a85b2113be76a17878d849e6bc489f4d84f15cd8", + "079b5bddcc4d45de8dbdfd39f69817c7e5afa454a894d03ee1eaaac3", + false, + }, + { + "1951533ce33afb58935e39e363d8497a8dd0442018fd96dff167b3b23d7206a3ee182a3194765df4768a3284e23b8696c199b4686e670d60c9d782f08794a4bccc05cffffbd1a12acd9eb1cfa01f7ebe124da66ecff4599ea7720c3be4bb7285daa1a86ebf53b042bd23208d468c1b3aa87381f8e1ad63e2b4c2ba5efcf05845", + "31945d12ebaf4d81f02be2b1768ed80784bf35cf5e2ff53438c11493", + "a62bebffac987e3b9d3ec451eb64c462cdf7b4aa0b1bbb131ceaa0a4", + "bc3c32b19e42b710bca5c6aaa128564da3ddb2726b25f33603d2af3c", + "ed1a719cc0c507edc5239d76fe50e2306c145ad252bd481da04180c0", + false, + }, +} + +func TestVectors(t *testing.T) { + sha := sha1.New() + + for i, test := range testVectors { + pub := PublicKey{ + Curve: elliptic.P224(), + X: fromHex(test.Qx), + Y: fromHex(test.Qy), + } + msg, _ := hex.DecodeString(test.msg) + sha.Reset() + sha.Write(msg) + hashed := sha.Sum(nil) + r := fromHex(test.r) + s := fromHex(test.s) + if Verify(&pub, hashed, r, s) != test.ok { + t.Errorf("%d: bad result", i) + } + if testing.Short() { + break + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/elliptic/elliptic.go b/gcc-4.7/libgo/go/crypto/elliptic/elliptic.go new file mode 100644 index 000000000..30835a90b --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/elliptic/elliptic.go @@ -0,0 +1,377 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package elliptic implements several standard elliptic curves over prime +// fields. +package elliptic + +// This package operates, internally, on Jacobian coordinates. For a given +// (x, y) position on the curve, the Jacobian coordinates are (x1, y1, z1) +// where x = x1/z1² and y = y1/z1³. The greatest speedups come when the whole +// calculation can be performed within the transform (as in ScalarMult and +// ScalarBaseMult). But even for Add and Double, it's faster to apply and +// reverse the transform than to operate in affine coordinates. + +import ( + "io" + "math/big" + "sync" +) + +// A Curve represents a short-form Weierstrass curve with a=-3. +// See http://www.hyperelliptic.org/EFD/g1p/auto-shortw.html +type Curve interface { + // Params returns the parameters for the curve. + Params() *CurveParams + // IsOnCurve returns true if the given (x,y) lies on the curve. + IsOnCurve(x, y *big.Int) bool + // Add returns the sum of (x1,y1) and (x2,y2) + Add(x1, y1, x2, y2 *big.Int) (x, y *big.Int) + // Double returns 2*(x,y) + Double(x1, y1 *big.Int) (x, y *big.Int) + // ScalarMult returns k*(Bx,By) where k is a number in big-endian form. + ScalarMult(x1, y1 *big.Int, scalar []byte) (x, y *big.Int) + // ScalarBaseMult returns k*G, where G is the base point of the group and k + // is an integer in big-endian form. + ScalarBaseMult(scalar []byte) (x, y *big.Int) +} + +// CurveParams contains the parameters of an elliptic curve and also provides +// a generic, non-constant time implementation of Curve. +type CurveParams struct { + P *big.Int // the order of the underlying field + N *big.Int // the order of the base point + B *big.Int // the constant of the curve equation + Gx, Gy *big.Int // (x,y) of the base point + BitSize int // the size of the underlying field +} + +func (curve *CurveParams) Params() *CurveParams { + return curve +} + +func (curve *CurveParams) IsOnCurve(x, y *big.Int) bool { + // y² = x³ - 3x + b + y2 := new(big.Int).Mul(y, y) + y2.Mod(y2, curve.P) + + x3 := new(big.Int).Mul(x, x) + x3.Mul(x3, x) + + threeX := new(big.Int).Lsh(x, 1) + threeX.Add(threeX, x) + + x3.Sub(x3, threeX) + x3.Add(x3, curve.B) + x3.Mod(x3, curve.P) + + return x3.Cmp(y2) == 0 +} + +// affineFromJacobian reverses the Jacobian transform. See the comment at the +// top of the file. +func (curve *CurveParams) affineFromJacobian(x, y, z *big.Int) (xOut, yOut *big.Int) { + zinv := new(big.Int).ModInverse(z, curve.P) + zinvsq := new(big.Int).Mul(zinv, zinv) + + xOut = new(big.Int).Mul(x, zinvsq) + xOut.Mod(xOut, curve.P) + zinvsq.Mul(zinvsq, zinv) + yOut = new(big.Int).Mul(y, zinvsq) + yOut.Mod(yOut, curve.P) + return +} + +func (curve *CurveParams) Add(x1, y1, x2, y2 *big.Int) (*big.Int, *big.Int) { + z := new(big.Int).SetInt64(1) + return curve.affineFromJacobian(curve.addJacobian(x1, y1, z, x2, y2, z)) +} + +// addJacobian takes two points in Jacobian coordinates, (x1, y1, z1) and +// (x2, y2, z2) and returns their sum, also in Jacobian form. +func (curve *CurveParams) addJacobian(x1, y1, z1, x2, y2, z2 *big.Int) (*big.Int, *big.Int, *big.Int) { + // See http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#addition-add-2007-bl + z1z1 := new(big.Int).Mul(z1, z1) + z1z1.Mod(z1z1, curve.P) + z2z2 := new(big.Int).Mul(z2, z2) + z2z2.Mod(z2z2, curve.P) + + u1 := new(big.Int).Mul(x1, z2z2) + u1.Mod(u1, curve.P) + u2 := new(big.Int).Mul(x2, z1z1) + u2.Mod(u2, curve.P) + h := new(big.Int).Sub(u2, u1) + if h.Sign() == -1 { + h.Add(h, curve.P) + } + i := new(big.Int).Lsh(h, 1) + i.Mul(i, i) + j := new(big.Int).Mul(h, i) + + s1 := new(big.Int).Mul(y1, z2) + s1.Mul(s1, z2z2) + s1.Mod(s1, curve.P) + s2 := new(big.Int).Mul(y2, z1) + s2.Mul(s2, z1z1) + s2.Mod(s2, curve.P) + r := new(big.Int).Sub(s2, s1) + if r.Sign() == -1 { + r.Add(r, curve.P) + } + r.Lsh(r, 1) + v := new(big.Int).Mul(u1, i) + + x3 := new(big.Int).Set(r) + x3.Mul(x3, x3) + x3.Sub(x3, j) + x3.Sub(x3, v) + x3.Sub(x3, v) + x3.Mod(x3, curve.P) + + y3 := new(big.Int).Set(r) + v.Sub(v, x3) + y3.Mul(y3, v) + s1.Mul(s1, j) + s1.Lsh(s1, 1) + y3.Sub(y3, s1) + y3.Mod(y3, curve.P) + + z3 := new(big.Int).Add(z1, z2) + z3.Mul(z3, z3) + z3.Sub(z3, z1z1) + if z3.Sign() == -1 { + z3.Add(z3, curve.P) + } + z3.Sub(z3, z2z2) + if z3.Sign() == -1 { + z3.Add(z3, curve.P) + } + z3.Mul(z3, h) + z3.Mod(z3, curve.P) + + return x3, y3, z3 +} + +func (curve *CurveParams) Double(x1, y1 *big.Int) (*big.Int, *big.Int) { + z1 := new(big.Int).SetInt64(1) + return curve.affineFromJacobian(curve.doubleJacobian(x1, y1, z1)) +} + +// doubleJacobian takes a point in Jacobian coordinates, (x, y, z), and +// returns its double, also in Jacobian form. +func (curve *CurveParams) doubleJacobian(x, y, z *big.Int) (*big.Int, *big.Int, *big.Int) { + // See http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b + delta := new(big.Int).Mul(z, z) + delta.Mod(delta, curve.P) + gamma := new(big.Int).Mul(y, y) + gamma.Mod(gamma, curve.P) + alpha := new(big.Int).Sub(x, delta) + if alpha.Sign() == -1 { + alpha.Add(alpha, curve.P) + } + alpha2 := new(big.Int).Add(x, delta) + alpha.Mul(alpha, alpha2) + alpha2.Set(alpha) + alpha.Lsh(alpha, 1) + alpha.Add(alpha, alpha2) + + beta := alpha2.Mul(x, gamma) + + x3 := new(big.Int).Mul(alpha, alpha) + beta8 := new(big.Int).Lsh(beta, 3) + x3.Sub(x3, beta8) + for x3.Sign() == -1 { + x3.Add(x3, curve.P) + } + x3.Mod(x3, curve.P) + + z3 := new(big.Int).Add(y, z) + z3.Mul(z3, z3) + z3.Sub(z3, gamma) + if z3.Sign() == -1 { + z3.Add(z3, curve.P) + } + z3.Sub(z3, delta) + if z3.Sign() == -1 { + z3.Add(z3, curve.P) + } + z3.Mod(z3, curve.P) + + beta.Lsh(beta, 2) + beta.Sub(beta, x3) + if beta.Sign() == -1 { + beta.Add(beta, curve.P) + } + y3 := alpha.Mul(alpha, beta) + + gamma.Mul(gamma, gamma) + gamma.Lsh(gamma, 3) + gamma.Mod(gamma, curve.P) + + y3.Sub(y3, gamma) + if y3.Sign() == -1 { + y3.Add(y3, curve.P) + } + y3.Mod(y3, curve.P) + + return x3, y3, z3 +} + +func (curve *CurveParams) ScalarMult(Bx, By *big.Int, k []byte) (*big.Int, *big.Int) { + // We have a slight problem in that the identity of the group (the + // point at infinity) cannot be represented in (x, y) form on a finite + // machine. Thus the standard add/double algorithm has to be tweaked + // slightly: our initial state is not the identity, but x, and we + // ignore the first true bit in |k|. If we don't find any true bits in + // |k|, then we return nil, nil, because we cannot return the identity + // element. + + Bz := new(big.Int).SetInt64(1) + x := Bx + y := By + z := Bz + + seenFirstTrue := false + for _, byte := range k { + for bitNum := 0; bitNum < 8; bitNum++ { + if seenFirstTrue { + x, y, z = curve.doubleJacobian(x, y, z) + } + if byte&0x80 == 0x80 { + if !seenFirstTrue { + seenFirstTrue = true + } else { + x, y, z = curve.addJacobian(Bx, By, Bz, x, y, z) + } + } + byte <<= 1 + } + } + + if !seenFirstTrue { + return nil, nil + } + + return curve.affineFromJacobian(x, y, z) +} + +func (curve *CurveParams) ScalarBaseMult(k []byte) (*big.Int, *big.Int) { + return curve.ScalarMult(curve.Gx, curve.Gy, k) +} + +var mask = []byte{0xff, 0x1, 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f} + +// GenerateKey returns a public/private key pair. The private key is +// generated using the given reader, which must return random data. +func GenerateKey(curve Curve, rand io.Reader) (priv []byte, x, y *big.Int, err error) { + bitSize := curve.Params().BitSize + byteLen := (bitSize + 7) >> 3 + priv = make([]byte, byteLen) + + for x == nil { + _, err = io.ReadFull(rand, priv) + if err != nil { + return + } + // We have to mask off any excess bits in the case that the size of the + // underlying field is not a whole number of bytes. + priv[0] &= mask[bitSize%8] + // This is because, in tests, rand will return all zeros and we don't + // want to get the point at infinity and loop forever. + priv[1] ^= 0x42 + x, y = curve.ScalarBaseMult(priv) + } + return +} + +// Marshal converts a point into the form specified in section 4.3.6 of ANSI X9.62. +func Marshal(curve Curve, x, y *big.Int) []byte { + byteLen := (curve.Params().BitSize + 7) >> 3 + + ret := make([]byte, 1+2*byteLen) + ret[0] = 4 // uncompressed point + + xBytes := x.Bytes() + copy(ret[1+byteLen-len(xBytes):], xBytes) + yBytes := y.Bytes() + copy(ret[1+2*byteLen-len(yBytes):], yBytes) + return ret +} + +// Unmarshal converts a point, serialized by Marshal, into an x, y pair. On error, x = nil. +func Unmarshal(curve Curve, data []byte) (x, y *big.Int) { + byteLen := (curve.Params().BitSize + 7) >> 3 + if len(data) != 1+2*byteLen { + return + } + if data[0] != 4 { // uncompressed form + return + } + x = new(big.Int).SetBytes(data[1 : 1+byteLen]) + y = new(big.Int).SetBytes(data[1+byteLen:]) + return +} + +var initonce sync.Once +var p256 *CurveParams +var p384 *CurveParams +var p521 *CurveParams + +func initAll() { + initP224() + initP256() + initP384() + initP521() +} + +func initP256() { + // See FIPS 186-3, section D.2.3 + p256 = new(CurveParams) + p256.P, _ = new(big.Int).SetString("115792089210356248762697446949407573530086143415290314195533631308867097853951", 10) + p256.N, _ = new(big.Int).SetString("115792089210356248762697446949407573529996955224135760342422259061068512044369", 10) + p256.B, _ = new(big.Int).SetString("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", 16) + p256.Gx, _ = new(big.Int).SetString("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", 16) + p256.Gy, _ = new(big.Int).SetString("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", 16) + p256.BitSize = 256 +} + +func initP384() { + // See FIPS 186-3, section D.2.4 + p384 = new(CurveParams) + p384.P, _ = new(big.Int).SetString("39402006196394479212279040100143613805079739270465446667948293404245721771496870329047266088258938001861606973112319", 10) + p384.N, _ = new(big.Int).SetString("39402006196394479212279040100143613805079739270465446667946905279627659399113263569398956308152294913554433653942643", 10) + p384.B, _ = new(big.Int).SetString("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", 16) + p384.Gx, _ = new(big.Int).SetString("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", 16) + p384.Gy, _ = new(big.Int).SetString("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", 16) + p384.BitSize = 384 +} + +func initP521() { + // See FIPS 186-3, section D.2.5 + p521 = new(CurveParams) + p521.P, _ = new(big.Int).SetString("6864797660130609714981900799081393217269435300143305409394463459185543183397656052122559640661454554977296311391480858037121987999716643812574028291115057151", 10) + p521.N, _ = new(big.Int).SetString("6864797660130609714981900799081393217269435300143305409394463459185543183397655394245057746333217197532963996371363321113864768612440380340372808892707005449", 10) + p521.B, _ = new(big.Int).SetString("051953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", 16) + p521.Gx, _ = new(big.Int).SetString("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", 16) + p521.Gy, _ = new(big.Int).SetString("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", 16) + p521.BitSize = 521 +} + +// P256 returns a Curve which implements P-256 (see FIPS 186-3, section D.2.3) +func P256() Curve { + initonce.Do(initAll) + return p256 +} + +// P384 returns a Curve which implements P-384 (see FIPS 186-3, section D.2.4) +func P384() Curve { + initonce.Do(initAll) + return p384 +} + +// P256 returns a Curve which implements P-521 (see FIPS 186-3, section D.2.5) +func P521() Curve { + initonce.Do(initAll) + return p521 +} diff --git a/gcc-4.7/libgo/go/crypto/elliptic/elliptic_test.go b/gcc-4.7/libgo/go/crypto/elliptic/elliptic_test.go new file mode 100644 index 000000000..1e3407ee0 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/elliptic/elliptic_test.go @@ -0,0 +1,363 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package elliptic + +import ( + "crypto/rand" + "encoding/hex" + "fmt" + "math/big" + "testing" +) + +func TestOnCurve(t *testing.T) { + p224 := P224() + if !p224.IsOnCurve(p224.Params().Gx, p224.Params().Gy) { + t.Errorf("FAIL") + } +} + +type baseMultTest struct { + k string + x, y string +} + +var p224BaseMultTests = []baseMultTest{ + { + "1", + "b70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21", + "bd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34", + }, + { + "2", + "706a46dc76dcb76798e60e6d89474788d16dc18032d268fd1a704fa6", + "1c2b76a7bc25e7702a704fa986892849fca629487acf3709d2e4e8bb", + }, + { + "3", + "df1b1d66a551d0d31eff822558b9d2cc75c2180279fe0d08fd896d04", + "a3f7f03cadd0be444c0aa56830130ddf77d317344e1af3591981a925", + }, + { + "4", + "ae99feebb5d26945b54892092a8aee02912930fa41cd114e40447301", + "482580a0ec5bc47e88bc8c378632cd196cb3fa058a7114eb03054c9", + }, + { + "5", + "31c49ae75bce7807cdff22055d94ee9021fedbb5ab51c57526f011aa", + "27e8bff1745635ec5ba0c9f1c2ede15414c6507d29ffe37e790a079b", + }, + { + "6", + "1f2483f82572251fca975fea40db821df8ad82a3c002ee6c57112408", + "89faf0ccb750d99b553c574fad7ecfb0438586eb3952af5b4b153c7e", + }, + { + "7", + "db2f6be630e246a5cf7d99b85194b123d487e2d466b94b24a03c3e28", + "f3a30085497f2f611ee2517b163ef8c53b715d18bb4e4808d02b963", + }, + { + "8", + "858e6f9cc6c12c31f5df124aa77767b05c8bc021bd683d2b55571550", + "46dcd3ea5c43898c5c5fc4fdac7db39c2f02ebee4e3541d1e78047a", + }, + { + "9", + "2fdcccfee720a77ef6cb3bfbb447f9383117e3daa4a07e36ed15f78d", + "371732e4f41bf4f7883035e6a79fcedc0e196eb07b48171697517463", + }, + { + "10", + "aea9e17a306517eb89152aa7096d2c381ec813c51aa880e7bee2c0fd", + "39bb30eab337e0a521b6cba1abe4b2b3a3e524c14a3fe3eb116b655f", + }, + { + "11", + "ef53b6294aca431f0f3c22dc82eb9050324f1d88d377e716448e507c", + "20b510004092e96636cfb7e32efded8265c266dfb754fa6d6491a6da", + }, + { + "12", + "6e31ee1dc137f81b056752e4deab1443a481033e9b4c93a3044f4f7a", + "207dddf0385bfdeab6e9acda8da06b3bbef224a93ab1e9e036109d13", + }, + { + "13", + "34e8e17a430e43289793c383fac9774247b40e9ebd3366981fcfaeca", + "252819f71c7fb7fbcb159be337d37d3336d7feb963724fdfb0ecb767", + }, + { + "14", + "a53640c83dc208603ded83e4ecf758f24c357d7cf48088b2ce01e9fa", + "d5814cd724199c4a5b974a43685fbf5b8bac69459c9469bc8f23ccaf", + }, + { + "15", + "baa4d8635511a7d288aebeedd12ce529ff102c91f97f867e21916bf9", + "979a5f4759f80f4fb4ec2e34f5566d595680a11735e7b61046127989", + }, + { + "16", + "b6ec4fe1777382404ef679997ba8d1cc5cd8e85349259f590c4c66d", + "3399d464345906b11b00e363ef429221f2ec720d2f665d7dead5b482", + }, + { + "17", + "b8357c3a6ceef288310e17b8bfeff9200846ca8c1942497c484403bc", + "ff149efa6606a6bd20ef7d1b06bd92f6904639dce5174db6cc554a26", + }, + { + "18", + "c9ff61b040874c0568479216824a15eab1a838a797d189746226e4cc", + "ea98d60e5ffc9b8fcf999fab1df7e7ef7084f20ddb61bb045a6ce002", + }, + { + "19", + "a1e81c04f30ce201c7c9ace785ed44cc33b455a022f2acdbc6cae83c", + "dcf1f6c3db09c70acc25391d492fe25b4a180babd6cea356c04719cd", + }, + { + "20", + "fcc7f2b45df1cd5a3c0c0731ca47a8af75cfb0347e8354eefe782455", + "d5d7110274cba7cdee90e1a8b0d394c376a5573db6be0bf2747f530", + }, + { + "112233445566778899", + "61f077c6f62ed802dad7c2f38f5c67f2cc453601e61bd076bb46179e", + "2272f9e9f5933e70388ee652513443b5e289dd135dcc0d0299b225e4", + }, + { + "112233445566778899112233445566778899", + "29895f0af496bfc62b6ef8d8a65c88c613949b03668aab4f0429e35", + "3ea6e53f9a841f2019ec24bde1a75677aa9b5902e61081c01064de93", + }, + { + "6950511619965839450988900688150712778015737983940691968051900319680", + "ab689930bcae4a4aa5f5cb085e823e8ae30fd365eb1da4aba9cf0379", + "3345a121bbd233548af0d210654eb40bab788a03666419be6fbd34e7", + }, + { + "13479972933410060327035789020509431695094902435494295338570602119423", + "bdb6a8817c1f89da1c2f3dd8e97feb4494f2ed302a4ce2bc7f5f4025", + "4c7020d57c00411889462d77a5438bb4e97d177700bf7243a07f1680", + }, + { + "13479971751745682581351455311314208093898607229429740618390390702079", + "d58b61aa41c32dd5eba462647dba75c5d67c83606c0af2bd928446a9", + "d24ba6a837be0460dd107ae77725696d211446c5609b4595976b16bd", + }, + { + "13479972931865328106486971546324465392952975980343228160962702868479", + "dc9fa77978a005510980e929a1485f63716df695d7a0c18bb518df03", + "ede2b016f2ddffc2a8c015b134928275ce09e5661b7ab14ce0d1d403", + }, + { + "11795773708834916026404142434151065506931607341523388140225443265536", + "499d8b2829cfb879c901f7d85d357045edab55028824d0f05ba279ba", + "bf929537b06e4015919639d94f57838fa33fc3d952598dcdbb44d638", + }, + { + "784254593043826236572847595991346435467177662189391577090", + "8246c999137186632c5f9eddf3b1b0e1764c5e8bd0e0d8a554b9cb77", + "e80ed8660bc1cb17ac7d845be40a7a022d3306f116ae9f81fea65947", + }, + { + "13479767645505654746623887797783387853576174193480695826442858012671", + "6670c20afcceaea672c97f75e2e9dd5c8460e54bb38538ebb4bd30eb", + "f280d8008d07a4caf54271f993527d46ff3ff46fd1190a3f1faa4f74", + }, + { + "205688069665150753842126177372015544874550518966168735589597183", + "eca934247425cfd949b795cb5ce1eff401550386e28d1a4c5a8eb", + "d4c01040dba19628931bc8855370317c722cbd9ca6156985f1c2e9ce", + }, + { + "13479966930919337728895168462090683249159702977113823384618282123295", + "ef353bf5c73cd551b96d596fbc9a67f16d61dd9fe56af19de1fba9cd", + "21771b9cdce3e8430c09b3838be70b48c21e15bc09ee1f2d7945b91f", + }, + { + "50210731791415612487756441341851895584393717453129007497216", + "4036052a3091eb481046ad3289c95d3ac905ca0023de2c03ecd451cf", + "d768165a38a2b96f812586a9d59d4136035d9c853a5bf2e1c86a4993", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368041", + "fcc7f2b45df1cd5a3c0c0731ca47a8af75cfb0347e8354eefe782455", + "f2a28eefd8b345832116f1e574f2c6b2c895aa8c24941f40d8b80ad1", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368042", + "a1e81c04f30ce201c7c9ace785ed44cc33b455a022f2acdbc6cae83c", + "230e093c24f638f533dac6e2b6d01da3b5e7f45429315ca93fb8e634", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368043", + "c9ff61b040874c0568479216824a15eab1a838a797d189746226e4cc", + "156729f1a003647030666054e208180f8f7b0df2249e44fba5931fff", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368044", + "b8357c3a6ceef288310e17b8bfeff9200846ca8c1942497c484403bc", + "eb610599f95942df1082e4f9426d086fb9c6231ae8b24933aab5db", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368045", + "b6ec4fe1777382404ef679997ba8d1cc5cd8e85349259f590c4c66d", + "cc662b9bcba6f94ee4ff1c9c10bd6ddd0d138df2d099a282152a4b7f", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368046", + "baa4d8635511a7d288aebeedd12ce529ff102c91f97f867e21916bf9", + "6865a0b8a607f0b04b13d1cb0aa992a5a97f5ee8ca1849efb9ed8678", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368047", + "a53640c83dc208603ded83e4ecf758f24c357d7cf48088b2ce01e9fa", + "2a7eb328dbe663b5a468b5bc97a040a3745396ba636b964370dc3352", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368048", + "34e8e17a430e43289793c383fac9774247b40e9ebd3366981fcfaeca", + "dad7e608e380480434ea641cc82c82cbc92801469c8db0204f13489a", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368049", + "6e31ee1dc137f81b056752e4deab1443a481033e9b4c93a3044f4f7a", + "df82220fc7a4021549165325725f94c3410ddb56c54e161fc9ef62ee", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368050", + "ef53b6294aca431f0f3c22dc82eb9050324f1d88d377e716448e507c", + "df4aefffbf6d1699c930481cd102127c9a3d992048ab05929b6e5927", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368051", + "aea9e17a306517eb89152aa7096d2c381ec813c51aa880e7bee2c0fd", + "c644cf154cc81f5ade49345e541b4d4b5c1adb3eb5c01c14ee949aa2", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368052", + "2fdcccfee720a77ef6cb3bfbb447f9383117e3daa4a07e36ed15f78d", + "c8e8cd1b0be40b0877cfca1958603122f1e6914f84b7e8e968ae8b9e", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368053", + "858e6f9cc6c12c31f5df124aa77767b05c8bc021bd683d2b55571550", + "fb9232c15a3bc7673a3a03b0253824c53d0fd1411b1cabe2e187fb87", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368054", + "db2f6be630e246a5cf7d99b85194b123d487e2d466b94b24a03c3e28", + "f0c5cff7ab680d09ee11dae84e9c1072ac48ea2e744b1b7f72fd469e", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368055", + "1f2483f82572251fca975fea40db821df8ad82a3c002ee6c57112408", + "76050f3348af2664aac3a8b05281304ebc7a7914c6ad50a4b4eac383", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368056", + "31c49ae75bce7807cdff22055d94ee9021fedbb5ab51c57526f011aa", + "d817400e8ba9ca13a45f360e3d121eaaeb39af82d6001c8186f5f866", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368057", + "ae99feebb5d26945b54892092a8aee02912930fa41cd114e40447301", + "fb7da7f5f13a43b81774373c879cd32d6934c05fa758eeb14fcfab38", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368058", + "df1b1d66a551d0d31eff822558b9d2cc75c2180279fe0d08fd896d04", + "5c080fc3522f41bbb3f55a97cfecf21f882ce8cbb1e50ca6e67e56dc", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368059", + "706a46dc76dcb76798e60e6d89474788d16dc18032d268fd1a704fa6", + "e3d4895843da188fd58fb0567976d7b50359d6b78530c8f62d1b1746", + }, + { + "26959946667150639794667015087019625940457807714424391721682722368060", + "b70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21", + "42c89c774a08dc04b3dd201932bc8a5ea5f8b89bbb2a7e667aff81cd", + }, +} + +func TestBaseMult(t *testing.T) { + p224 := P224() + for i, e := range p224BaseMultTests { + k, ok := new(big.Int).SetString(e.k, 10) + if !ok { + t.Errorf("%d: bad value for k: %s", i, e.k) + } + x, y := p224.ScalarBaseMult(k.Bytes()) + if fmt.Sprintf("%x", x) != e.x || fmt.Sprintf("%x", y) != e.y { + t.Errorf("%d: bad output for k=%s: got (%x, %x), want (%s, %s)", i, e.k, x, y, e.x, e.y) + } + if testing.Short() && i > 5 { + break + } + } +} + +func TestGenericBaseMult(t *testing.T) { + // We use the P224 CurveParams directly in order to test the generic implementation. + p224 := P224().Params() + for i, e := range p224BaseMultTests { + k, ok := new(big.Int).SetString(e.k, 10) + if !ok { + t.Errorf("%d: bad value for k: %s", i, e.k) + } + x, y := p224.ScalarBaseMult(k.Bytes()) + if fmt.Sprintf("%x", x) != e.x || fmt.Sprintf("%x", y) != e.y { + t.Errorf("%d: bad output for k=%s: got (%x, %x), want (%s, %s)", i, e.k, x, y, e.x, e.y) + } + if testing.Short() && i > 5 { + break + } + } +} + +func BenchmarkBaseMult(b *testing.B) { + b.ResetTimer() + p224 := P224() + e := p224BaseMultTests[25] + k, _ := new(big.Int).SetString(e.k, 10) + b.StartTimer() + for i := 0; i < b.N; i++ { + p224.ScalarBaseMult(k.Bytes()) + } +} + +func TestMarshal(t *testing.T) { + p224 := P224() + _, x, y, err := GenerateKey(p224, rand.Reader) + if err != nil { + t.Error(err) + return + } + serialized := Marshal(p224, x, y) + xx, yy := Unmarshal(p224, serialized) + if xx == nil { + t.Error("failed to unmarshal") + return + } + if xx.Cmp(x) != 0 || yy.Cmp(y) != 0 { + t.Error("unmarshal returned different values") + return + } +} + +func TestP224Overflow(t *testing.T) { + // This tests for a specific bug in the P224 implementation. + p224 := P224() + pointData, _ := hex.DecodeString("049B535B45FB0A2072398A6831834624C7E32CCFD5A4B933BCEAF77F1DD945E08BBE5178F5EDF5E733388F196D2A631D2E075BB16CBFEEA15B") + x, y := Unmarshal(p224, pointData) + if !p224.IsOnCurve(x, y) { + t.Error("P224 failed to validate a correct point") + } +} diff --git a/gcc-4.7/libgo/go/crypto/elliptic/p224.go b/gcc-4.7/libgo/go/crypto/elliptic/p224.go new file mode 100644 index 000000000..17571c252 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/elliptic/p224.go @@ -0,0 +1,718 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package elliptic + +// This is a constant-time, 32-bit implementation of P224. See FIPS 186-3, +// section D.2.2. +// +// See http://www.imperialviolet.org/2010/12/04/ecc.html ([1]) for background. + +import ( + "math/big" +) + +var p224 p224Curve + +type p224Curve struct { + *CurveParams + gx, gy, b p224FieldElement +} + +func initP224() { + // See FIPS 186-3, section D.2.2 + p224.CurveParams = new(CurveParams) + p224.P, _ = new(big.Int).SetString("26959946667150639794667015087019630673557916260026308143510066298881", 10) + p224.N, _ = new(big.Int).SetString("26959946667150639794667015087019625940457807714424391721682722368061", 10) + p224.B, _ = new(big.Int).SetString("b4050a850c04b3abf54132565044b0b7d7bfd8ba270b39432355ffb4", 16) + p224.Gx, _ = new(big.Int).SetString("b70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21", 16) + p224.Gy, _ = new(big.Int).SetString("bd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34", 16) + p224.BitSize = 224 + + p224FromBig(&p224.gx, p224.Gx) + p224FromBig(&p224.gy, p224.Gy) + p224FromBig(&p224.b, p224.B) +} + +// P224 returns a Curve which implements P-224 (see FIPS 186-3, section D.2.2) +func P224() Curve { + initonce.Do(initAll) + return p224 +} + +func (curve p224Curve) Params() *CurveParams { + return curve.CurveParams +} + +func (curve p224Curve) IsOnCurve(bigX, bigY *big.Int) bool { + var x, y p224FieldElement + p224FromBig(&x, bigX) + p224FromBig(&y, bigY) + + // y² = x³ - 3x + b + var tmp p224LargeFieldElement + var x3 p224FieldElement + p224Square(&x3, &x, &tmp) + p224Mul(&x3, &x3, &x, &tmp) + + for i := 0; i < 8; i++ { + x[i] *= 3 + } + p224Sub(&x3, &x3, &x) + p224Reduce(&x3) + p224Add(&x3, &x3, &curve.b) + p224Contract(&x3, &x3) + + p224Square(&y, &y, &tmp) + p224Contract(&y, &y) + + for i := 0; i < 8; i++ { + if y[i] != x3[i] { + return false + } + } + return true +} + +func (p224Curve) Add(bigX1, bigY1, bigX2, bigY2 *big.Int) (x, y *big.Int) { + var x1, y1, z1, x2, y2, z2, x3, y3, z3 p224FieldElement + + p224FromBig(&x1, bigX1) + p224FromBig(&y1, bigY1) + z1[0] = 1 + p224FromBig(&x2, bigX2) + p224FromBig(&y2, bigY2) + z2[0] = 1 + + p224AddJacobian(&x3, &y3, &z3, &x1, &y1, &z1, &x2, &y2, &z2) + return p224ToAffine(&x3, &y3, &z3) +} + +func (p224Curve) Double(bigX1, bigY1 *big.Int) (x, y *big.Int) { + var x1, y1, z1, x2, y2, z2 p224FieldElement + + p224FromBig(&x1, bigX1) + p224FromBig(&y1, bigY1) + z1[0] = 1 + + p224DoubleJacobian(&x2, &y2, &z2, &x1, &y1, &z1) + return p224ToAffine(&x2, &y2, &z2) +} + +func (p224Curve) ScalarMult(bigX1, bigY1 *big.Int, scalar []byte) (x, y *big.Int) { + var x1, y1, z1, x2, y2, z2 p224FieldElement + + p224FromBig(&x1, bigX1) + p224FromBig(&y1, bigY1) + z1[0] = 1 + + p224ScalarMult(&x2, &y2, &z2, &x1, &y1, &z1, scalar) + return p224ToAffine(&x2, &y2, &z2) +} + +func (curve p224Curve) ScalarBaseMult(scalar []byte) (x, y *big.Int) { + var z1, x2, y2, z2 p224FieldElement + + z1[0] = 1 + p224ScalarMult(&x2, &y2, &z2, &curve.gx, &curve.gy, &z1, scalar) + return p224ToAffine(&x2, &y2, &z2) +} + +// Field element functions. +// +// The field that we're dealing with is ℤ/pℤ where p = 2**224 - 2**96 + 1. +// +// Field elements are represented by a FieldElement, which is a typedef to an +// array of 8 uint32's. The value of a FieldElement, a, is: +// a[0] + 2**28·a[1] + 2**56·a[1] + ... + 2**196·a[7] +// +// Using 28-bit limbs means that there's only 4 bits of headroom, which is less +// than we would really like. But it has the useful feature that we hit 2**224 +// exactly, making the reflections during a reduce much nicer. +type p224FieldElement [8]uint32 + +// p224Add computes *out = a+b +// +// a[i] + b[i] < 2**32 +func p224Add(out, a, b *p224FieldElement) { + for i := 0; i < 8; i++ { + out[i] = a[i] + b[i] + } +} + +const two31p3 = 1<<31 + 1<<3 +const two31m3 = 1<<31 - 1<<3 +const two31m15m3 = 1<<31 - 1<<15 - 1<<3 + +// p224ZeroModP31 is 0 mod p where bit 31 is set in all limbs so that we can +// subtract smaller amounts without underflow. See the section "Subtraction" in +// [1] for reasoning. +var p224ZeroModP31 = []uint32{two31p3, two31m3, two31m3, two31m15m3, two31m3, two31m3, two31m3, two31m3} + +// p224Sub computes *out = a-b +// +// a[i], b[i] < 2**30 +// out[i] < 2**32 +func p224Sub(out, a, b *p224FieldElement) { + for i := 0; i < 8; i++ { + out[i] = a[i] + p224ZeroModP31[i] - b[i] + } +} + +// LargeFieldElement also represents an element of the field. The limbs are +// still spaced 28-bits apart and in little-endian order. So the limbs are at +// 0, 28, 56, ..., 392 bits, each 64-bits wide. +type p224LargeFieldElement [15]uint64 + +const two63p35 = 1<<63 + 1<<35 +const two63m35 = 1<<63 - 1<<35 +const two63m35m19 = 1<<63 - 1<<35 - 1<<19 + +// p224ZeroModP63 is 0 mod p where bit 63 is set in all limbs. See the section +// "Subtraction" in [1] for why. +var p224ZeroModP63 = [8]uint64{two63p35, two63m35, two63m35, two63m35, two63m35m19, two63m35, two63m35, two63m35} + +const bottom12Bits = 0xfff +const bottom28Bits = 0xfffffff + +// p224Mul computes *out = a*b +// +// a[i] < 2**29, b[i] < 2**30 (or vice versa) +// out[i] < 2**29 +func p224Mul(out, a, b *p224FieldElement, tmp *p224LargeFieldElement) { + for i := 0; i < 15; i++ { + tmp[i] = 0 + } + + for i := 0; i < 8; i++ { + for j := 0; j < 8; j++ { + tmp[i+j] += uint64(a[i]) * uint64(b[j]) + } + } + + p224ReduceLarge(out, tmp) +} + +// Square computes *out = a*a +// +// a[i] < 2**29 +// out[i] < 2**29 +func p224Square(out, a *p224FieldElement, tmp *p224LargeFieldElement) { + for i := 0; i < 15; i++ { + tmp[i] = 0 + } + + for i := 0; i < 8; i++ { + for j := 0; j <= i; j++ { + r := uint64(a[i]) * uint64(a[j]) + if i == j { + tmp[i+j] += r + } else { + tmp[i+j] += r << 1 + } + } + } + + p224ReduceLarge(out, tmp) +} + +// ReduceLarge converts a p224LargeFieldElement to a p224FieldElement. +// +// in[i] < 2**62 +func p224ReduceLarge(out *p224FieldElement, in *p224LargeFieldElement) { + for i := 0; i < 8; i++ { + in[i] += p224ZeroModP63[i] + } + + // Eliminate the coefficients at 2**224 and greater. + for i := 14; i >= 8; i-- { + in[i-8] -= in[i] + in[i-5] += (in[i] & 0xffff) << 12 + in[i-4] += in[i] >> 16 + } + in[8] = 0 + // in[0..8] < 2**64 + + // As the values become small enough, we start to store them in |out| + // and use 32-bit operations. + for i := 1; i < 8; i++ { + in[i+1] += in[i] >> 28 + out[i] = uint32(in[i] & bottom28Bits) + } + in[0] -= in[8] + out[3] += uint32(in[8]&0xffff) << 12 + out[4] += uint32(in[8] >> 16) + // in[0] < 2**64 + // out[3] < 2**29 + // out[4] < 2**29 + // out[1,2,5..7] < 2**28 + + out[0] = uint32(in[0] & bottom28Bits) + out[1] += uint32((in[0] >> 28) & bottom28Bits) + out[2] += uint32(in[0] >> 56) + // out[0] < 2**28 + // out[1..4] < 2**29 + // out[5..7] < 2**28 +} + +// Reduce reduces the coefficients of a to smaller bounds. +// +// On entry: a[i] < 2**31 + 2**30 +// On exit: a[i] < 2**29 +func p224Reduce(a *p224FieldElement) { + for i := 0; i < 7; i++ { + a[i+1] += a[i] >> 28 + a[i] &= bottom28Bits + } + top := a[7] >> 28 + a[7] &= bottom28Bits + + // top < 2**4 + mask := top + mask |= mask >> 2 + mask |= mask >> 1 + mask <<= 31 + mask = uint32(int32(mask) >> 31) + // Mask is all ones if top != 0, all zero otherwise + + a[0] -= top + a[3] += top << 12 + + // We may have just made a[0] negative but, if we did, then we must + // have added something to a[3], this it's > 2**12. Therefore we can + // carry down to a[0]. + a[3] -= 1 & mask + a[2] += mask & (1<<28 - 1) + a[1] += mask & (1<<28 - 1) + a[0] += mask & (1 << 28) +} + +// p224Invert calculates *out = in**-1 by computing in**(2**224 - 2**96 - 1), +// i.e. Fermat's little theorem. +func p224Invert(out, in *p224FieldElement) { + var f1, f2, f3, f4 p224FieldElement + var c p224LargeFieldElement + + p224Square(&f1, in, &c) // 2 + p224Mul(&f1, &f1, in, &c) // 2**2 - 1 + p224Square(&f1, &f1, &c) // 2**3 - 2 + p224Mul(&f1, &f1, in, &c) // 2**3 - 1 + p224Square(&f2, &f1, &c) // 2**4 - 2 + p224Square(&f2, &f2, &c) // 2**5 - 4 + p224Square(&f2, &f2, &c) // 2**6 - 8 + p224Mul(&f1, &f1, &f2, &c) // 2**6 - 1 + p224Square(&f2, &f1, &c) // 2**7 - 2 + for i := 0; i < 5; i++ { // 2**12 - 2**6 + p224Square(&f2, &f2, &c) + } + p224Mul(&f2, &f2, &f1, &c) // 2**12 - 1 + p224Square(&f3, &f2, &c) // 2**13 - 2 + for i := 0; i < 11; i++ { // 2**24 - 2**12 + p224Square(&f3, &f3, &c) + } + p224Mul(&f2, &f3, &f2, &c) // 2**24 - 1 + p224Square(&f3, &f2, &c) // 2**25 - 2 + for i := 0; i < 23; i++ { // 2**48 - 2**24 + p224Square(&f3, &f3, &c) + } + p224Mul(&f3, &f3, &f2, &c) // 2**48 - 1 + p224Square(&f4, &f3, &c) // 2**49 - 2 + for i := 0; i < 47; i++ { // 2**96 - 2**48 + p224Square(&f4, &f4, &c) + } + p224Mul(&f3, &f3, &f4, &c) // 2**96 - 1 + p224Square(&f4, &f3, &c) // 2**97 - 2 + for i := 0; i < 23; i++ { // 2**120 - 2**24 + p224Square(&f4, &f4, &c) + } + p224Mul(&f2, &f4, &f2, &c) // 2**120 - 1 + for i := 0; i < 6; i++ { // 2**126 - 2**6 + p224Square(&f2, &f2, &c) + } + p224Mul(&f1, &f1, &f2, &c) // 2**126 - 1 + p224Square(&f1, &f1, &c) // 2**127 - 2 + p224Mul(&f1, &f1, in, &c) // 2**127 - 1 + for i := 0; i < 97; i++ { // 2**224 - 2**97 + p224Square(&f1, &f1, &c) + } + p224Mul(out, &f1, &f3, &c) // 2**224 - 2**96 - 1 +} + +// p224Contract converts a FieldElement to its unique, minimal form. +// +// On entry, in[i] < 2**29 +// On exit, in[i] < 2**28 +func p224Contract(out, in *p224FieldElement) { + copy(out[:], in[:]) + + for i := 0; i < 7; i++ { + out[i+1] += out[i] >> 28 + out[i] &= bottom28Bits + } + top := out[7] >> 28 + out[7] &= bottom28Bits + + out[0] -= top + out[3] += top << 12 + + // We may just have made out[i] negative. So we carry down. If we made + // out[0] negative then we know that out[3] is sufficiently positive + // because we just added to it. + for i := 0; i < 3; i++ { + mask := uint32(int32(out[i]) >> 31) + out[i] += (1 << 28) & mask + out[i+1] -= 1 & mask + } + + // We might have pushed out[3] over 2**28 so we perform another, partial, + // carry chain. + for i := 3; i < 7; i++ { + out[i+1] += out[i] >> 28 + out[i] &= bottom28Bits + } + top = out[7] >> 28 + out[7] &= bottom28Bits + + // Eliminate top while maintaining the same value mod p. + out[0] -= top + out[3] += top << 12 + + // There are two cases to consider for out[3]: + // 1) The first time that we eliminated top, we didn't push out[3] over + // 2**28. In this case, the partial carry chain didn't change any values + // and top is zero. + // 2) We did push out[3] over 2**28 the first time that we eliminated top. + // The first value of top was in [0..16), therefore, prior to eliminating + // the first top, 0xfff1000 <= out[3] <= 0xfffffff. Therefore, after + // overflowing and being reduced by the second carry chain, out[3] <= + // 0xf000. Thus it cannot have overflowed when we eliminated top for the + // second time. + + // Again, we may just have made out[0] negative, so do the same carry down. + // As before, if we made out[0] negative then we know that out[3] is + // sufficiently positive. + for i := 0; i < 3; i++ { + mask := uint32(int32(out[i]) >> 31) + out[i] += (1 << 28) & mask + out[i+1] -= 1 & mask + } + + // Now we see if the value is >= p and, if so, subtract p. + + // First we build a mask from the top four limbs, which must all be + // equal to bottom28Bits if the whole value is >= p. If top4AllOnes + // ends up with any zero bits in the bottom 28 bits, then this wasn't + // true. + top4AllOnes := uint32(0xffffffff) + for i := 4; i < 8; i++ { + top4AllOnes &= (out[i] & bottom28Bits) - 1 + } + top4AllOnes |= 0xf0000000 + // Now we replicate any zero bits to all the bits in top4AllOnes. + top4AllOnes &= top4AllOnes >> 16 + top4AllOnes &= top4AllOnes >> 8 + top4AllOnes &= top4AllOnes >> 4 + top4AllOnes &= top4AllOnes >> 2 + top4AllOnes &= top4AllOnes >> 1 + top4AllOnes = uint32(int32(top4AllOnes<<31) >> 31) + + // Now we test whether the bottom three limbs are non-zero. + bottom3NonZero := out[0] | out[1] | out[2] + bottom3NonZero |= bottom3NonZero >> 16 + bottom3NonZero |= bottom3NonZero >> 8 + bottom3NonZero |= bottom3NonZero >> 4 + bottom3NonZero |= bottom3NonZero >> 2 + bottom3NonZero |= bottom3NonZero >> 1 + bottom3NonZero = uint32(int32(bottom3NonZero<<31) >> 31) + + // Everything depends on the value of out[3]. + // If it's > 0xffff000 and top4AllOnes != 0 then the whole value is >= p + // If it's = 0xffff000 and top4AllOnes != 0 and bottom3NonZero != 0, + // then the whole value is >= p + // If it's < 0xffff000, then the whole value is < p + n := out[3] - 0xffff000 + out3Equal := n + out3Equal |= out3Equal >> 16 + out3Equal |= out3Equal >> 8 + out3Equal |= out3Equal >> 4 + out3Equal |= out3Equal >> 2 + out3Equal |= out3Equal >> 1 + out3Equal = ^uint32(int32(out3Equal<<31) >> 31) + + // If out[3] > 0xffff000 then n's MSB will be zero. + out3GT := ^uint32(int32(n<<31) >> 31) + + mask := top4AllOnes & ((out3Equal & bottom3NonZero) | out3GT) + out[0] -= 1 & mask + out[3] -= 0xffff000 & mask + out[4] -= 0xfffffff & mask + out[5] -= 0xfffffff & mask + out[6] -= 0xfffffff & mask + out[7] -= 0xfffffff & mask +} + +// Group element functions. +// +// These functions deal with group elements. The group is an elliptic curve +// group with a = -3 defined in FIPS 186-3, section D.2.2. + +// p224AddJacobian computes *out = a+b where a != b. +func p224AddJacobian(x3, y3, z3, x1, y1, z1, x2, y2, z2 *p224FieldElement) { + // See http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#addition-p224Add-2007-bl + var z1z1, z2z2, u1, u2, s1, s2, h, i, j, r, v p224FieldElement + var c p224LargeFieldElement + + // Z1Z1 = Z1² + p224Square(&z1z1, z1, &c) + // Z2Z2 = Z2² + p224Square(&z2z2, z2, &c) + // U1 = X1*Z2Z2 + p224Mul(&u1, x1, &z2z2, &c) + // U2 = X2*Z1Z1 + p224Mul(&u2, x2, &z1z1, &c) + // S1 = Y1*Z2*Z2Z2 + p224Mul(&s1, z2, &z2z2, &c) + p224Mul(&s1, y1, &s1, &c) + // S2 = Y2*Z1*Z1Z1 + p224Mul(&s2, z1, &z1z1, &c) + p224Mul(&s2, y2, &s2, &c) + // H = U2-U1 + p224Sub(&h, &u2, &u1) + p224Reduce(&h) + // I = (2*H)² + for j := 0; j < 8; j++ { + i[j] = h[j] << 1 + } + p224Reduce(&i) + p224Square(&i, &i, &c) + // J = H*I + p224Mul(&j, &h, &i, &c) + // r = 2*(S2-S1) + p224Sub(&r, &s2, &s1) + p224Reduce(&r) + for i := 0; i < 8; i++ { + r[i] <<= 1 + } + p224Reduce(&r) + // V = U1*I + p224Mul(&v, &u1, &i, &c) + // Z3 = ((Z1+Z2)²-Z1Z1-Z2Z2)*H + p224Add(&z1z1, &z1z1, &z2z2) + p224Add(&z2z2, z1, z2) + p224Reduce(&z2z2) + p224Square(&z2z2, &z2z2, &c) + p224Sub(z3, &z2z2, &z1z1) + p224Reduce(z3) + p224Mul(z3, z3, &h, &c) + // X3 = r²-J-2*V + for i := 0; i < 8; i++ { + z1z1[i] = v[i] << 1 + } + p224Add(&z1z1, &j, &z1z1) + p224Reduce(&z1z1) + p224Square(x3, &r, &c) + p224Sub(x3, x3, &z1z1) + p224Reduce(x3) + // Y3 = r*(V-X3)-2*S1*J + for i := 0; i < 8; i++ { + s1[i] <<= 1 + } + p224Mul(&s1, &s1, &j, &c) + p224Sub(&z1z1, &v, x3) + p224Reduce(&z1z1) + p224Mul(&z1z1, &z1z1, &r, &c) + p224Sub(y3, &z1z1, &s1) + p224Reduce(y3) +} + +// p224DoubleJacobian computes *out = a+a. +func p224DoubleJacobian(x3, y3, z3, x1, y1, z1 *p224FieldElement) { + var delta, gamma, beta, alpha, t p224FieldElement + var c p224LargeFieldElement + + p224Square(&delta, z1, &c) + p224Square(&gamma, y1, &c) + p224Mul(&beta, x1, &gamma, &c) + + // alpha = 3*(X1-delta)*(X1+delta) + p224Add(&t, x1, &delta) + for i := 0; i < 8; i++ { + t[i] += t[i] << 1 + } + p224Reduce(&t) + p224Sub(&alpha, x1, &delta) + p224Reduce(&alpha) + p224Mul(&alpha, &alpha, &t, &c) + + // Z3 = (Y1+Z1)²-gamma-delta + p224Add(z3, y1, z1) + p224Reduce(z3) + p224Square(z3, z3, &c) + p224Sub(z3, z3, &gamma) + p224Reduce(z3) + p224Sub(z3, z3, &delta) + p224Reduce(z3) + + // X3 = alpha²-8*beta + for i := 0; i < 8; i++ { + delta[i] = beta[i] << 3 + } + p224Reduce(&delta) + p224Square(x3, &alpha, &c) + p224Sub(x3, x3, &delta) + p224Reduce(x3) + + // Y3 = alpha*(4*beta-X3)-8*gamma² + for i := 0; i < 8; i++ { + beta[i] <<= 2 + } + p224Sub(&beta, &beta, x3) + p224Reduce(&beta) + p224Square(&gamma, &gamma, &c) + for i := 0; i < 8; i++ { + gamma[i] <<= 3 + } + p224Reduce(&gamma) + p224Mul(y3, &alpha, &beta, &c) + p224Sub(y3, y3, &gamma) + p224Reduce(y3) +} + +// p224CopyConditional sets *out = *in iff the least-significant-bit of control +// is true, and it runs in constant time. +func p224CopyConditional(out, in *p224FieldElement, control uint32) { + control <<= 31 + control = uint32(int32(control) >> 31) + + for i := 0; i < 8; i++ { + out[i] ^= (out[i] ^ in[i]) & control + } +} + +func p224ScalarMult(outX, outY, outZ, inX, inY, inZ *p224FieldElement, scalar []byte) { + var xx, yy, zz p224FieldElement + for i := 0; i < 8; i++ { + outZ[i] = 0 + } + + firstBit := uint32(1) + for _, byte := range scalar { + for bitNum := uint(0); bitNum < 8; bitNum++ { + p224DoubleJacobian(outX, outY, outZ, outX, outY, outZ) + bit := uint32((byte >> (7 - bitNum)) & 1) + p224AddJacobian(&xx, &yy, &zz, inX, inY, inZ, outX, outY, outZ) + p224CopyConditional(outX, inX, firstBit&bit) + p224CopyConditional(outY, inY, firstBit&bit) + p224CopyConditional(outZ, inZ, firstBit&bit) + p224CopyConditional(outX, &xx, ^firstBit&bit) + p224CopyConditional(outY, &yy, ^firstBit&bit) + p224CopyConditional(outZ, &zz, ^firstBit&bit) + firstBit = firstBit & ^bit + } + } +} + +// p224ToAffine converts from Jacobian to affine form. +func p224ToAffine(x, y, z *p224FieldElement) (*big.Int, *big.Int) { + var zinv, zinvsq, outx, outy p224FieldElement + var tmp p224LargeFieldElement + + isPointAtInfinity := true + for i := 0; i < 8; i++ { + if z[i] != 0 { + isPointAtInfinity = false + break + } + } + + if isPointAtInfinity { + return nil, nil + } + + p224Invert(&zinv, z) + p224Square(&zinvsq, &zinv, &tmp) + p224Mul(x, x, &zinvsq, &tmp) + p224Mul(&zinvsq, &zinvsq, &zinv, &tmp) + p224Mul(y, y, &zinvsq, &tmp) + + p224Contract(&outx, x) + p224Contract(&outy, y) + return p224ToBig(&outx), p224ToBig(&outy) +} + +// get28BitsFromEnd returns the least-significant 28 bits from buf>>shift, +// where buf is interpreted as a big-endian number. +func get28BitsFromEnd(buf []byte, shift uint) (uint32, []byte) { + var ret uint32 + + for i := uint(0); i < 4; i++ { + var b byte + if l := len(buf); l > 0 { + b = buf[l-1] + // We don't remove the byte if we're about to return and we're not + // reading all of it. + if i != 3 || shift == 4 { + buf = buf[:l-1] + } + } + ret |= uint32(b) << (8 * i) >> shift + } + ret &= bottom28Bits + return ret, buf +} + +// p224FromBig sets *out = *in. +func p224FromBig(out *p224FieldElement, in *big.Int) { + bytes := in.Bytes() + out[0], bytes = get28BitsFromEnd(bytes, 0) + out[1], bytes = get28BitsFromEnd(bytes, 4) + out[2], bytes = get28BitsFromEnd(bytes, 0) + out[3], bytes = get28BitsFromEnd(bytes, 4) + out[4], bytes = get28BitsFromEnd(bytes, 0) + out[5], bytes = get28BitsFromEnd(bytes, 4) + out[6], bytes = get28BitsFromEnd(bytes, 0) + out[7], bytes = get28BitsFromEnd(bytes, 4) +} + +// p224ToBig returns in as a big.Int. +func p224ToBig(in *p224FieldElement) *big.Int { + var buf [28]byte + buf[27] = byte(in[0]) + buf[26] = byte(in[0] >> 8) + buf[25] = byte(in[0] >> 16) + buf[24] = byte(((in[0] >> 24) & 0x0f) | (in[1]<<4)&0xf0) + + buf[23] = byte(in[1] >> 4) + buf[22] = byte(in[1] >> 12) + buf[21] = byte(in[1] >> 20) + + buf[20] = byte(in[2]) + buf[19] = byte(in[2] >> 8) + buf[18] = byte(in[2] >> 16) + buf[17] = byte(((in[2] >> 24) & 0x0f) | (in[3]<<4)&0xf0) + + buf[16] = byte(in[3] >> 4) + buf[15] = byte(in[3] >> 12) + buf[14] = byte(in[3] >> 20) + + buf[13] = byte(in[4]) + buf[12] = byte(in[4] >> 8) + buf[11] = byte(in[4] >> 16) + buf[10] = byte(((in[4] >> 24) & 0x0f) | (in[5]<<4)&0xf0) + + buf[9] = byte(in[5] >> 4) + buf[8] = byte(in[5] >> 12) + buf[7] = byte(in[5] >> 20) + + buf[6] = byte(in[6]) + buf[5] = byte(in[6] >> 8) + buf[4] = byte(in[6] >> 16) + buf[3] = byte(((in[6] >> 24) & 0x0f) | (in[7]<<4)&0xf0) + + buf[2] = byte(in[7] >> 4) + buf[1] = byte(in[7] >> 12) + buf[0] = byte(in[7] >> 20) + + return new(big.Int).SetBytes(buf[:]) +} diff --git a/gcc-4.7/libgo/go/crypto/elliptic/p224_test.go b/gcc-4.7/libgo/go/crypto/elliptic/p224_test.go new file mode 100644 index 000000000..4b26d1610 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/elliptic/p224_test.go @@ -0,0 +1,47 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package elliptic + +import ( + "math/big" + "testing" +) + +var toFromBigTests = []string{ + "0", + "1", + "23", + "b70e0cb46bb4bf7f321390b94a03c1d356c01122343280d6105c1d21", + "706a46d476dcb76798e6046d89474788d164c18032d268fd10704fa6", +} + +func p224AlternativeToBig(in *p224FieldElement) *big.Int { + ret := new(big.Int) + tmp := new(big.Int) + + for i := uint(0); i < 8; i++ { + tmp.SetInt64(int64(in[i])) + tmp.Lsh(tmp, 28*i) + ret.Add(ret, tmp) + } + ret.Mod(ret, p224.P) + return ret +} + +func TestToFromBig(t *testing.T) { + for i, test := range toFromBigTests { + n, _ := new(big.Int).SetString(test, 16) + var x p224FieldElement + p224FromBig(&x, n) + m := p224ToBig(&x) + if n.Cmp(m) != 0 { + t.Errorf("#%d: %x != %x", i, n, m) + } + q := p224AlternativeToBig(&x) + if n.Cmp(q) != 0 { + t.Errorf("#%d: %x != %x (alternative)", i, n, m) + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/hmac/hmac.go b/gcc-4.7/libgo/go/crypto/hmac/hmac.go new file mode 100644 index 000000000..a97ce0972 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/hmac/hmac.go @@ -0,0 +1,80 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package hmac implements the Keyed-Hash Message Authentication Code (HMAC) as +// defined in U.S. Federal Information Processing Standards Publication 198. +// An HMAC is a cryptographic hash that uses a key to sign a message. +// The receiver verifies the hash by recomputing it using the same key. +package hmac + +import ( + "hash" +) + +// FIPS 198: +// http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf + +// key is zero padded to the block size of the hash function +// ipad = 0x36 byte repeated for key length +// opad = 0x5c byte repeated for key length +// hmac = H([key ^ opad] H([key ^ ipad] text)) + +type hmac struct { + size int + blocksize int + key, tmp []byte + outer, inner hash.Hash +} + +func (h *hmac) tmpPad(xor byte) { + for i, k := range h.key { + h.tmp[i] = xor ^ k + } + for i := len(h.key); i < h.blocksize; i++ { + h.tmp[i] = xor + } +} + +func (h *hmac) Sum(in []byte) []byte { + origLen := len(in) + in = h.inner.Sum(in) + h.tmpPad(0x5c) + copy(h.tmp[h.blocksize:], in[origLen:]) + h.outer.Reset() + h.outer.Write(h.tmp) + return h.outer.Sum(in[:origLen]) +} + +func (h *hmac) Write(p []byte) (n int, err error) { + return h.inner.Write(p) +} + +func (h *hmac) Size() int { return h.size } + +func (h *hmac) BlockSize() int { return h.blocksize } + +func (h *hmac) Reset() { + h.inner.Reset() + h.tmpPad(0x36) + h.inner.Write(h.tmp[0:h.blocksize]) +} + +// New returns a new HMAC hash using the given hash.Hash type and key. +func New(h func() hash.Hash, key []byte) hash.Hash { + hm := new(hmac) + hm.outer = h() + hm.inner = h() + hm.size = hm.inner.Size() + hm.blocksize = hm.inner.BlockSize() + hm.tmp = make([]byte, hm.blocksize+hm.size) + if len(key) > hm.blocksize { + // If key is too big, hash it. + hm.outer.Write(key) + key = hm.outer.Sum(nil) + } + hm.key = make([]byte, len(key)) + copy(hm.key, key) + hm.Reset() + return hm +} diff --git a/gcc-4.7/libgo/go/crypto/hmac/hmac_test.go b/gcc-4.7/libgo/go/crypto/hmac/hmac_test.go new file mode 100644 index 000000000..07957414c --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/hmac/hmac_test.go @@ -0,0 +1,493 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package hmac + +import ( + "crypto/md5" + "crypto/sha1" + "crypto/sha256" + "crypto/sha512" + "fmt" + "hash" + "testing" +) + +type hmacTest struct { + hash func() hash.Hash + key []byte + in []byte + out string +} + +var hmacTests = []hmacTest{ + // Tests from US FIPS 198 + // http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf + { + sha1.New, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + }, + []byte("Sample #1"), + "4f4ca3d5d68ba7cc0a1208c9c61e9c5da0403c0a", + }, + { + sha1.New, + []byte{ + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + 0x40, 0x41, 0x42, 0x43, + }, + []byte("Sample #2"), + "0922d3405faa3d194f82a45830737d5cc6c75d24", + }, + { + sha1.New, + []byte{ + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, + 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, + 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, + 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, + 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, + 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, + 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, + 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, + 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, + 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, + 0xb0, 0xb1, 0xb2, 0xb3, + }, + []byte("Sample #3"), + "bcf41eab8bb2d802f3d05caf7cb092ecf8d1a3aa", + }, + + // Test from Plan 9. + { + md5.New, + []byte("Jefe"), + []byte("what do ya want for nothing?"), + "750c783e6ab0b503eaa86e310a5db738", + }, + + // Tests from RFC 4231 + { + sha256.New, + []byte{ + 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, + 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, + 0x0b, 0x0b, 0x0b, 0x0b, + }, + []byte("Hi There"), + "b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7", + }, + { + sha256.New, + []byte("Jefe"), + []byte("what do ya want for nothing?"), + "5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843", + }, + { + sha256.New, + []byte{ + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, + }, + []byte{ + 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, + 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, + 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, + 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, + 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, + 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, + 0xdd, 0xdd, + }, + "773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514ced565fe", + }, + { + sha256.New, + []byte{ + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, + 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, + 0x19, + }, + []byte{ + 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, + 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, + 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, + 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, + 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, + 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, + 0xcd, 0xcd, + }, + "82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff46729665b", + }, + { + sha256.New, + []byte{ + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, + }, + []byte("Test Using Larger Than Block-Size Key - Hash Key First"), + "60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f0ee37f54", + }, + { + sha256.New, + []byte{ + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, + }, + []byte("This is a test using a larger than block-size key " + + "and a larger than block-size data. The key needs to " + + "be hashed before being used by the HMAC algorithm."), + "9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f51535c3a35e2", + }, + + // Tests from http://csrc.nist.gov/groups/ST/toolkit/examples.html + // (truncated tag tests are left out) + { + sha1.New, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + }, + []byte("Sample message for keylen=blocklen"), + "5fd596ee78d5553c8ff4e72d266dfd192366da29", + }, + { + sha1.New, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, + }, + []byte("Sample message for keylen<blocklen"), + "4c99ff0cb1b31bd33f8431dbaf4d17fcd356a807", + }, + { + sha1.New, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, + 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, + 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, + 0x60, 0x61, 0x62, 0x63, + }, + []byte("Sample message for keylen=blocklen"), + "2d51b2f7750e410584662e38f133435f4c4fd42a", + }, + { + sha256.New224, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + }, + []byte("Sample message for keylen=blocklen"), + "c7405e3ae058e8cd30b08b4140248581ed174cb34e1224bcc1efc81b", + }, + { + sha256.New224, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, + }, + []byte("Sample message for keylen<blocklen"), + "e3d249a8cfb67ef8b7a169e9a0a599714a2cecba65999a51beb8fbbe", + }, + { + sha256.New224, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, + 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, + 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, + 0x60, 0x61, 0x62, 0x63, + }, + []byte("Sample message for keylen=blocklen"), + "91c52509e5af8531601ae6230099d90bef88aaefb961f4080abc014d", + }, + { + sha256.New, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + }, + []byte("Sample message for keylen=blocklen"), + "8bb9a1db9806f20df7f77b82138c7914d174d59e13dc4d0169c9057b133e1d62", + }, + { + sha256.New, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + }, + []byte("Sample message for keylen<blocklen"), + "a28cf43130ee696a98f14a37678b56bcfcbdd9e5cf69717fecf5480f0ebdf790", + }, + { + sha256.New, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, + 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, + 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, + 0x60, 0x61, 0x62, 0x63, + }, + []byte("Sample message for keylen=blocklen"), + "bdccb6c72ddeadb500ae768386cb38cc41c63dbb0878ddb9c7a38a431b78378d", + }, + { + sha512.New384, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, + 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, + 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, + 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, + 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, + }, + []byte("Sample message for keylen=blocklen"), + "63c5daa5e651847ca897c95814ab830bededc7d25e83eef9195cd45857a37f448947858f5af50cc2b1b730ddf29671a9", + }, + { + sha512.New384, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + }, + []byte("Sample message for keylen<blocklen"), + "6eb242bdbb582ca17bebfa481b1e23211464d2b7f8c20b9ff2201637b93646af5ae9ac316e98db45d9cae773675eeed0", + }, + { + sha512.New384, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, + 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, + 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, + 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, + 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, + 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, + 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, + 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, + 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, + 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, + 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, + 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, + 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, + 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, + }, + []byte("Sample message for keylen=blocklen"), + "5b664436df69b0ca22551231a3f0a3d5b4f97991713cfa84bff4d0792eff96c27dccbbb6f79b65d548b40e8564cef594", + }, + { + sha512.New, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, + 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, + 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, + 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, + 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, + }, + []byte("Sample message for keylen=blocklen"), + "fc25e240658ca785b7a811a8d3f7b4ca" + + "48cfa26a8a366bf2cd1f836b05fcb024bd36853081811d6c" + + "ea4216ebad79da1cfcb95ea4586b8a0ce356596a55fb1347", + }, + { + sha512.New, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + }, + []byte("Sample message for keylen<blocklen"), + "fd44c18bda0bb0a6ce0e82b031bf2818" + + "f6539bd56ec00bdc10a8a2d730b3634de2545d639b0f2cf7" + + "10d0692c72a1896f1f211c2b922d1a96c392e07e7ea9fedc", + }, + { + sha512.New, + []byte{ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, + 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, + 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, + 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, + 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, + 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, + 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, + 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, + 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, + 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, + 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, + 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, + 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, + 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, + 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, + }, + []byte("Sample message for keylen=blocklen"), + "d93ec8d2de1ad2a9957cb9b83f14e76a" + + "d6b5e0cce285079a127d3b14bccb7aa7286d4ac0d4ce6421" + + "5f2bc9e6870b33d97438be4aaa20cda5c5a912b48b8e27f3", + }, +} + +func TestHMAC(t *testing.T) { + for i, tt := range hmacTests { + h := New(tt.hash, tt.key) + for j := 0; j < 2; j++ { + n, err := h.Write(tt.in) + if n != len(tt.in) || err != nil { + t.Errorf("test %d.%d: Write(%d) = %d, %v", i, j, len(tt.in), n, err) + continue + } + + // Repetitive Sum() calls should return the same value + for k := 0; k < 2; k++ { + sum := fmt.Sprintf("%x", h.Sum(nil)) + if sum != tt.out { + t.Errorf("test %d.%d.%d: have %s want %s\n", i, j, k, sum, tt.out) + } + } + + // Second iteration: make sure reset works. + h.Reset() + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/md5/md5.go b/gcc-4.7/libgo/go/crypto/md5/md5.go new file mode 100644 index 000000000..cfb728c94 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/md5/md5.go @@ -0,0 +1,119 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package md5 implements the MD5 hash algorithm as defined in RFC 1321. +package md5 + +import ( + "crypto" + "hash" +) + +func init() { + crypto.RegisterHash(crypto.MD5, New) +} + +// The size of an MD5 checksum in bytes. +const Size = 16 + +// The blocksize of MD5 in bytes. +const BlockSize = 64 + +const ( + _Chunk = 64 + _Init0 = 0x67452301 + _Init1 = 0xEFCDAB89 + _Init2 = 0x98BADCFE + _Init3 = 0x10325476 +) + +// digest represents the partial evaluation of a checksum. +type digest struct { + s [4]uint32 + x [_Chunk]byte + nx int + len uint64 +} + +func (d *digest) Reset() { + d.s[0] = _Init0 + d.s[1] = _Init1 + d.s[2] = _Init2 + d.s[3] = _Init3 + d.nx = 0 + d.len = 0 +} + +// New returns a new hash.Hash computing the MD5 checksum. +func New() hash.Hash { + d := new(digest) + d.Reset() + return d +} + +func (d *digest) Size() int { return Size } + +func (d *digest) BlockSize() int { return BlockSize } + +func (d *digest) Write(p []byte) (nn int, err error) { + nn = len(p) + d.len += uint64(nn) + if d.nx > 0 { + n := len(p) + if n > _Chunk-d.nx { + n = _Chunk - d.nx + } + for i := 0; i < n; i++ { + d.x[d.nx+i] = p[i] + } + d.nx += n + if d.nx == _Chunk { + _Block(d, d.x[0:]) + d.nx = 0 + } + p = p[n:] + } + n := _Block(d, p) + p = p[n:] + if len(p) > 0 { + d.nx = copy(d.x[:], p) + } + return +} + +func (d0 *digest) Sum(in []byte) []byte { + // Make a copy of d0 so that caller can keep writing and summing. + d := *d0 + + // Padding. Add a 1 bit and 0 bits until 56 bytes mod 64. + len := d.len + var tmp [64]byte + tmp[0] = 0x80 + if len%64 < 56 { + d.Write(tmp[0 : 56-len%64]) + } else { + d.Write(tmp[0 : 64+56-len%64]) + } + + // Length in bits. + len <<= 3 + for i := uint(0); i < 8; i++ { + tmp[i] = byte(len >> (8 * i)) + } + d.Write(tmp[0:8]) + + if d.nx != 0 { + panic("d.nx != 0") + } + + var digest [Size]byte + for i, s := range d.s { + digest[i*4] = byte(s) + digest[i*4+1] = byte(s >> 8) + digest[i*4+2] = byte(s >> 16) + digest[i*4+3] = byte(s >> 24) + } + + return append(in, digest[:]...) +} diff --git a/gcc-4.7/libgo/go/crypto/md5/md5_test.go b/gcc-4.7/libgo/go/crypto/md5/md5_test.go new file mode 100644 index 000000000..aae875464 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/md5/md5_test.go @@ -0,0 +1,80 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package md5_test + +import ( + "crypto/md5" + "fmt" + "io" + "testing" +) + +type md5Test struct { + out string + in string +} + +var golden = []md5Test{ + {"d41d8cd98f00b204e9800998ecf8427e", ""}, + {"0cc175b9c0f1b6a831c399e269772661", "a"}, + {"187ef4436122d1cc2f40dc2b92f0eba0", "ab"}, + {"900150983cd24fb0d6963f7d28e17f72", "abc"}, + {"e2fc714c4727ee9395f324cd2e7f331f", "abcd"}, + {"ab56b4d92b40713acc5af89985d4b786", "abcde"}, + {"e80b5017098950fc58aad83c8c14978e", "abcdef"}, + {"7ac66c0f148de9519b8bd264312c4d64", "abcdefg"}, + {"e8dc4081b13434b45189a720b77b6818", "abcdefgh"}, + {"8aa99b1f439ff71293e95357bac6fd94", "abcdefghi"}, + {"a925576942e94b2ef57a066101b48876", "abcdefghij"}, + {"d747fc1719c7eacb84058196cfe56d57", "Discard medicine more than two years old."}, + {"bff2dcb37ef3a44ba43ab144768ca837", "He who has a shady past knows that nice guys finish last."}, + {"0441015ecb54a7342d017ed1bcfdbea5", "I wouldn't marry him with a ten foot pole."}, + {"9e3cac8e9e9757a60c3ea391130d3689", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"}, + {"a0f04459b031f916a59a35cc482dc039", "The days of the digital watch are numbered. -Tom Stoppard"}, + {"e7a48e0fe884faf31475d2a04b1362cc", "Nepal premier won't resign."}, + {"637d2fe925c07c113800509964fb0e06", "For every action there is an equal and opposite government program."}, + {"834a8d18d5c6562119cf4c7f5086cb71", "His money is twice tainted: 'taint yours and 'taint mine."}, + {"de3a4d2fd6c73ec2db2abad23b444281", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"}, + {"acf203f997e2cf74ea3aff86985aefaf", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"}, + {"e1c1384cb4d2221dfdd7c795a4222c9a", "size: a.out: bad magic"}, + {"c90f3ddecc54f34228c063d7525bf644", "The major problem is with sendmail. -Mark Horton"}, + {"cdf7ab6c1fd49bd9933c43f3ea5af185", "Give me a rock, paper and scissors and I will move the world. CCFestoon"}, + {"83bc85234942fc883c063cbd7f0ad5d0", "If the enemy is within range, then so are you."}, + {"277cbe255686b48dd7e8f389394d9299", "It's well we cannot hear the screams/That we create in others' dreams."}, + {"fd3fb0a7ffb8af16603f3d3af98f8e1f", "You remind me of a TV show, but that's all right: I watch it anyway."}, + {"469b13a78ebf297ecda64d4723655154", "C is as portable as Stonehedge!!"}, + {"63eb3a2f466410104731c4b037600110", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"}, + {"72c2ed7592debca1c90fc0100f931a2f", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule"}, + {"132f7619d33b523b1d9e5bd8e0928355", "How can you write a big system without C++? -Paul Glick"}, +} + +func TestGolden(t *testing.T) { + for i := 0; i < len(golden); i++ { + g := golden[i] + c := md5.New() + for j := 0; j < 3; j++ { + if j < 2 { + io.WriteString(c, g.in) + } else { + io.WriteString(c, g.in[0:len(g.in)/2]) + c.Sum(nil) + io.WriteString(c, g.in[len(g.in)/2:]) + } + s := fmt.Sprintf("%x", c.Sum(nil)) + if s != g.out { + t.Fatalf("md5[%d](%s) = %s want %s", j, g.in, s, g.out) + } + c.Reset() + } + } +} + +func ExampleNew() { + h := md5.New() + io.WriteString(h, "The fog is getting thicker!") + io.WriteString(h, "And Leon's getting laaarger!") + fmt.Printf("%x", h.Sum(nil)) + // Output: e2c569be17396eca2a2e3c11578123ed +} diff --git a/gcc-4.7/libgo/go/crypto/md5/md5block.go b/gcc-4.7/libgo/go/crypto/md5/md5block.go new file mode 100644 index 000000000..a887e2e05 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/md5/md5block.go @@ -0,0 +1,172 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// MD5 block step. +// In its own file so that a faster assembly or C version +// can be substituted easily. + +package md5 + +// table[i] = int((1<<32) * abs(sin(i+1 radians))). +var table = []uint32{ + // round 1 + 0xd76aa478, + 0xe8c7b756, + 0x242070db, + 0xc1bdceee, + 0xf57c0faf, + 0x4787c62a, + 0xa8304613, + 0xfd469501, + 0x698098d8, + 0x8b44f7af, + 0xffff5bb1, + 0x895cd7be, + 0x6b901122, + 0xfd987193, + 0xa679438e, + 0x49b40821, + + // round 2 + 0xf61e2562, + 0xc040b340, + 0x265e5a51, + 0xe9b6c7aa, + 0xd62f105d, + 0x2441453, + 0xd8a1e681, + 0xe7d3fbc8, + 0x21e1cde6, + 0xc33707d6, + 0xf4d50d87, + 0x455a14ed, + 0xa9e3e905, + 0xfcefa3f8, + 0x676f02d9, + 0x8d2a4c8a, + + // round3 + 0xfffa3942, + 0x8771f681, + 0x6d9d6122, + 0xfde5380c, + 0xa4beea44, + 0x4bdecfa9, + 0xf6bb4b60, + 0xbebfbc70, + 0x289b7ec6, + 0xeaa127fa, + 0xd4ef3085, + 0x4881d05, + 0xd9d4d039, + 0xe6db99e5, + 0x1fa27cf8, + 0xc4ac5665, + + // round 4 + 0xf4292244, + 0x432aff97, + 0xab9423a7, + 0xfc93a039, + 0x655b59c3, + 0x8f0ccc92, + 0xffeff47d, + 0x85845dd1, + 0x6fa87e4f, + 0xfe2ce6e0, + 0xa3014314, + 0x4e0811a1, + 0xf7537e82, + 0xbd3af235, + 0x2ad7d2bb, + 0xeb86d391, +} + +var shift1 = []uint{7, 12, 17, 22} +var shift2 = []uint{5, 9, 14, 20} +var shift3 = []uint{4, 11, 16, 23} +var shift4 = []uint{6, 10, 15, 21} + +func _Block(dig *digest, p []byte) int { + a := dig.s[0] + b := dig.s[1] + c := dig.s[2] + d := dig.s[3] + n := 0 + var X [16]uint32 + for len(p) >= _Chunk { + aa, bb, cc, dd := a, b, c, d + + j := 0 + for i := 0; i < 16; i++ { + X[i] = uint32(p[j]) | uint32(p[j+1])<<8 | uint32(p[j+2])<<16 | uint32(p[j+3])<<24 + j += 4 + } + + // If this needs to be made faster in the future, + // the usual trick is to unroll each of these + // loops by a factor of 4; that lets you replace + // the shift[] lookups with constants and, + // with suitable variable renaming in each + // unrolled body, delete the a, b, c, d = d, a, b, c + // (or you can let the optimizer do the renaming). + // + // The index variables are uint so that % by a power + // of two can be optimized easily by a compiler. + + // Round 1. + for i := uint(0); i < 16; i++ { + x := i + s := shift1[i%4] + f := ((c ^ d) & b) ^ d + a += f + X[x] + table[i] + a = a<<s | a>>(32-s) + b + a, b, c, d = d, a, b, c + } + + // Round 2. + for i := uint(0); i < 16; i++ { + x := (1 + 5*i) % 16 + s := shift2[i%4] + g := ((b ^ c) & d) ^ c + a += g + X[x] + table[i+16] + a = a<<s | a>>(32-s) + b + a, b, c, d = d, a, b, c + } + + // Round 3. + for i := uint(0); i < 16; i++ { + x := (5 + 3*i) % 16 + s := shift3[i%4] + h := b ^ c ^ d + a += h + X[x] + table[i+32] + a = a<<s | a>>(32-s) + b + a, b, c, d = d, a, b, c + } + + // Round 4. + for i := uint(0); i < 16; i++ { + x := (7 * i) % 16 + s := shift4[i%4] + j := c ^ (b | ^d) + a += j + X[x] + table[i+48] + a = a<<s | a>>(32-s) + b + a, b, c, d = d, a, b, c + } + + a += aa + b += bb + c += cc + d += dd + + p = p[_Chunk:] + n += _Chunk + } + + dig.s[0] = a + dig.s[1] = b + dig.s[2] = c + dig.s[3] = d + return n +} diff --git a/gcc-4.7/libgo/go/crypto/rand/rand.go b/gcc-4.7/libgo/go/crypto/rand/rand.go new file mode 100644 index 000000000..59759038e --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/rand/rand.go @@ -0,0 +1,18 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package rand implements a cryptographically secure +// pseudorandom number generator. +package rand + +import "io" + +// Reader is a global, shared instance of a cryptographically +// strong pseudo-random generator. +// On Unix-like systems, Reader reads from /dev/urandom. +// On Windows systems, Reader uses the CryptGenRandom API. +var Reader io.Reader + +// Read is a helper function that calls Reader.Read. +func Read(b []byte) (n int, err error) { return Reader.Read(b) } diff --git a/gcc-4.7/libgo/go/crypto/rand/rand_test.go b/gcc-4.7/libgo/go/crypto/rand/rand_test.go new file mode 100644 index 000000000..da091ba8c --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/rand/rand_test.go @@ -0,0 +1,32 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package rand + +import ( + "bytes" + "compress/flate" + "io" + "testing" +) + +func TestRead(t *testing.T) { + var n int = 4e6 + if testing.Short() { + n = 1e5 + } + b := make([]byte, n) + n, err := io.ReadFull(Reader, b) + if n != len(b) || err != nil { + t.Fatalf("ReadFull(buf) = %d, %s", n, err) + } + + var z bytes.Buffer + f, _ := flate.NewWriter(&z, 5) + f.Write(b) + f.Close() + if z.Len() < len(b)*99/100 { + t.Fatalf("Compressed %d -> %d", len(b), z.Len()) + } +} diff --git a/gcc-4.7/libgo/go/crypto/rand/rand_unix.go b/gcc-4.7/libgo/go/crypto/rand/rand_unix.go new file mode 100644 index 000000000..5eb4cda2b --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/rand/rand_unix.go @@ -0,0 +1,128 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build darwin freebsd linux netbsd openbsd + +// Unix cryptographically secure pseudorandom number +// generator. + +package rand + +import ( + "bufio" + "crypto/aes" + "crypto/cipher" + "io" + "os" + "sync" + "time" +) + +// Easy implementation: read from /dev/urandom. +// This is sufficient on Linux, OS X, and FreeBSD. + +func init() { Reader = &devReader{name: "/dev/urandom"} } + +// A devReader satisfies reads by reading the file named name. +type devReader struct { + name string + f io.Reader + mu sync.Mutex +} + +func (r *devReader) Read(b []byte) (n int, err error) { + r.mu.Lock() + defer r.mu.Unlock() + if r.f == nil { + f, err := os.Open(r.name) + if f == nil { + return 0, err + } + r.f = bufio.NewReader(f) + } + return r.f.Read(b) +} + +// Alternate pseudo-random implementation for use on +// systems without a reliable /dev/urandom. So far we +// haven't needed it. + +// newReader returns a new pseudorandom generator that +// seeds itself by reading from entropy. If entropy == nil, +// the generator seeds itself by reading from the system's +// random number generator, typically /dev/random. +// The Read method on the returned reader always returns +// the full amount asked for, or else it returns an error. +// +// The generator uses the X9.31 algorithm with AES-128, +// reseeding after every 1 MB of generated data. +func newReader(entropy io.Reader) io.Reader { + if entropy == nil { + entropy = &devReader{name: "/dev/random"} + } + return &reader{entropy: entropy} +} + +type reader struct { + mu sync.Mutex + budget int // number of bytes that can be generated + cipher cipher.Block + entropy io.Reader + time, seed, dst, key [aes.BlockSize]byte +} + +func (r *reader) Read(b []byte) (n int, err error) { + r.mu.Lock() + defer r.mu.Unlock() + n = len(b) + + for len(b) > 0 { + if r.budget == 0 { + _, err := io.ReadFull(r.entropy, r.seed[0:]) + if err != nil { + return n - len(b), err + } + _, err = io.ReadFull(r.entropy, r.key[0:]) + if err != nil { + return n - len(b), err + } + r.cipher, err = aes.NewCipher(r.key[0:]) + if err != nil { + return n - len(b), err + } + r.budget = 1 << 20 // reseed after generating 1MB + } + r.budget -= aes.BlockSize + + // ANSI X9.31 (== X9.17) algorithm, but using AES in place of 3DES. + // + // single block: + // t = encrypt(time) + // dst = encrypt(t^seed) + // seed = encrypt(t^dst) + ns := time.Now().UnixNano() + r.time[0] = byte(ns >> 56) + r.time[1] = byte(ns >> 48) + r.time[2] = byte(ns >> 40) + r.time[3] = byte(ns >> 32) + r.time[4] = byte(ns >> 24) + r.time[5] = byte(ns >> 16) + r.time[6] = byte(ns >> 8) + r.time[7] = byte(ns) + r.cipher.Encrypt(r.time[0:], r.time[0:]) + for i := 0; i < aes.BlockSize; i++ { + r.dst[i] = r.time[i] ^ r.seed[i] + } + r.cipher.Encrypt(r.dst[0:], r.dst[0:]) + for i := 0; i < aes.BlockSize; i++ { + r.seed[i] = r.time[i] ^ r.dst[i] + } + r.cipher.Encrypt(r.seed[0:], r.seed[0:]) + + m := copy(b, r.dst[0:]) + b = b[m:] + } + + return n, nil +} diff --git a/gcc-4.7/libgo/go/crypto/rand/rand_windows.go b/gcc-4.7/libgo/go/crypto/rand/rand_windows.go new file mode 100644 index 000000000..2b2bd4bba --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/rand/rand_windows.go @@ -0,0 +1,43 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Windows cryptographically secure pseudorandom number +// generator. + +package rand + +import ( + "os" + "sync" + "syscall" +) + +// Implemented by using Windows CryptoAPI 2.0. + +func init() { Reader = &rngReader{} } + +// A rngReader satisfies reads by reading from the Windows CryptGenRandom API. +type rngReader struct { + prov syscall.Handle + mu sync.Mutex +} + +func (r *rngReader) Read(b []byte) (n int, err error) { + r.mu.Lock() + if r.prov == 0 { + const provType = syscall.PROV_RSA_FULL + const flags = syscall.CRYPT_VERIFYCONTEXT | syscall.CRYPT_SILENT + err := syscall.CryptAcquireContext(&r.prov, nil, nil, provType, flags) + if err != nil { + r.mu.Unlock() + return 0, os.NewSyscallError("CryptAcquireContext", err) + } + } + r.mu.Unlock() + err = syscall.CryptGenRandom(r.prov, uint32(len(b)), &b[0]) + if err != nil { + return 0, os.NewSyscallError("CryptGenRandom", err) + } + return len(b), nil +} diff --git a/gcc-4.7/libgo/go/crypto/rand/util.go b/gcc-4.7/libgo/go/crypto/rand/util.go new file mode 100644 index 000000000..5391c1829 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/rand/util.go @@ -0,0 +1,80 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package rand + +import ( + "errors" + "io" + "math/big" +) + +// Prime returns a number, p, of the given size, such that p is prime +// with high probability. +func Prime(rand io.Reader, bits int) (p *big.Int, err error) { + if bits < 1 { + err = errors.New("crypto/rand: prime size must be positive") + } + + b := uint(bits % 8) + if b == 0 { + b = 8 + } + + bytes := make([]byte, (bits+7)/8) + p = new(big.Int) + + for { + _, err = io.ReadFull(rand, bytes) + if err != nil { + return nil, err + } + + // Clear bits in the first byte to make sure the candidate has a size <= bits. + bytes[0] &= uint8(int(1<<b) - 1) + // Don't let the value be too small, i.e, set the most significant bit. + bytes[0] |= 1 << (b - 1) + // Make the value odd since an even number this large certainly isn't prime. + bytes[len(bytes)-1] |= 1 + + p.SetBytes(bytes) + if p.ProbablyPrime(20) { + return + } + } + + return +} + +// Int returns a uniform random value in [0, max). +func Int(rand io.Reader, max *big.Int) (n *big.Int, err error) { + k := (max.BitLen() + 7) / 8 + + // b is the number of bits in the most significant byte of max. + b := uint(max.BitLen() % 8) + if b == 0 { + b = 8 + } + + bytes := make([]byte, k) + n = new(big.Int) + + for { + _, err = io.ReadFull(rand, bytes) + if err != nil { + return nil, err + } + + // Clear bits in the first byte to increase the probability + // that the candidate is < max. + bytes[0] &= uint8(int(1<<b) - 1) + + n.SetBytes(bytes) + if n.Cmp(max) < 0 { + return + } + } + + return +} diff --git a/gcc-4.7/libgo/go/crypto/rc4/rc4.go b/gcc-4.7/libgo/go/crypto/rc4/rc4.go new file mode 100644 index 000000000..1bb278f74 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/rc4/rc4.go @@ -0,0 +1,63 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package rc4 implements RC4 encryption, as defined in Bruce Schneier's +// Applied Cryptography. +package rc4 + +// BUG(agl): RC4 is in common use but has design weaknesses that make +// it a poor choice for new protocols. + +import "strconv" + +// A Cipher is an instance of RC4 using a particular key. +type Cipher struct { + s [256]byte + i, j uint8 +} + +type KeySizeError int + +func (k KeySizeError) Error() string { + return "crypto/rc4: invalid key size " + strconv.Itoa(int(k)) +} + +// NewCipher creates and returns a new Cipher. The key argument should be the +// RC4 key, at least 1 byte and at most 256 bytes. +func NewCipher(key []byte) (*Cipher, error) { + k := len(key) + if k < 1 || k > 256 { + return nil, KeySizeError(k) + } + var c Cipher + for i := 0; i < 256; i++ { + c.s[i] = uint8(i) + } + var j uint8 = 0 + for i := 0; i < 256; i++ { + j += c.s[i] + key[i%k] + c.s[i], c.s[j] = c.s[j], c.s[i] + } + return &c, nil +} + +// XORKeyStream sets dst to the result of XORing src with the key stream. +// Dst and src may be the same slice but otherwise should not overlap. +func (c *Cipher) XORKeyStream(dst, src []byte) { + for i := range src { + c.i += 1 + c.j += c.s[c.i] + c.s[c.i], c.s[c.j] = c.s[c.j], c.s[c.i] + dst[i] = src[i] ^ c.s[c.s[c.i]+c.s[c.j]] + } +} + +// Reset zeros the key data so that it will no longer appear in the +// process's memory. +func (c *Cipher) Reset() { + for i := range c.s { + c.s[i] = 0 + } + c.i, c.j = 0, 0 +} diff --git a/gcc-4.7/libgo/go/crypto/rc4/rc4_test.go b/gcc-4.7/libgo/go/crypto/rc4/rc4_test.go new file mode 100644 index 000000000..6265d9408 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/rc4/rc4_test.go @@ -0,0 +1,59 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package rc4 + +import ( + "testing" +) + +type rc4Test struct { + key, keystream []byte +} + +var golden = []rc4Test{ + // Test vectors from the original cypherpunk posting of ARC4: + // http://groups.google.com/group/sci.crypt/msg/10a300c9d21afca0?pli=1 + { + []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, + []byte{0x74, 0x94, 0xc2, 0xe7, 0x10, 0x4b, 0x08, 0x79}, + }, + { + []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + []byte{0xde, 0x18, 0x89, 0x41, 0xa3, 0x37, 0x5d, 0x3a}, + }, + { + []byte{0xef, 0x01, 0x23, 0x45}, + []byte{0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf, 0xbd, 0x61}, + }, + + // Test vectors from the Wikipedia page: http://en.wikipedia.org/wiki/RC4 + { + []byte{0x4b, 0x65, 0x79}, + []byte{0xeb, 0x9f, 0x77, 0x81, 0xb7, 0x34, 0xca, 0x72, 0xa7, 0x19}, + }, + { + []byte{0x57, 0x69, 0x6b, 0x69}, + []byte{0x60, 0x44, 0xdb, 0x6d, 0x41, 0xb7}, + }, +} + +func TestGolden(t *testing.T) { + for i := 0; i < len(golden); i++ { + g := golden[i] + c, err := NewCipher(g.key) + if err != nil { + t.Errorf("Failed to create cipher at golden index %d", i) + return + } + keystream := make([]byte, len(g.keystream)) + c.XORKeyStream(keystream, keystream) + for j, v := range keystream { + if g.keystream[j] != v { + t.Errorf("Failed at golden index %d", i) + break + } + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/rsa/pkcs1v15.go b/gcc-4.7/libgo/go/crypto/rsa/pkcs1v15.go new file mode 100644 index 000000000..a32236e47 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/rsa/pkcs1v15.go @@ -0,0 +1,243 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package rsa + +import ( + "crypto" + "crypto/subtle" + "errors" + "io" + "math/big" +) + +// This file implements encryption and decryption using PKCS#1 v1.5 padding. + +// EncryptPKCS1v15 encrypts the given message with RSA and the padding scheme from PKCS#1 v1.5. +// The message must be no longer than the length of the public modulus minus 11 bytes. +// WARNING: use of this function to encrypt plaintexts other than session keys +// is dangerous. Use RSA OAEP in new protocols. +func EncryptPKCS1v15(rand io.Reader, pub *PublicKey, msg []byte) (out []byte, err error) { + k := (pub.N.BitLen() + 7) / 8 + if len(msg) > k-11 { + err = ErrMessageTooLong + return + } + + // EM = 0x02 || PS || 0x00 || M + em := make([]byte, k-1) + em[0] = 2 + ps, mm := em[1:len(em)-len(msg)-1], em[len(em)-len(msg):] + err = nonZeroRandomBytes(ps, rand) + if err != nil { + return + } + em[len(em)-len(msg)-1] = 0 + copy(mm, msg) + + m := new(big.Int).SetBytes(em) + c := encrypt(new(big.Int), pub, m) + out = c.Bytes() + return +} + +// DecryptPKCS1v15 decrypts a plaintext using RSA and the padding scheme from PKCS#1 v1.5. +// If rand != nil, it uses RSA blinding to avoid timing side-channel attacks. +func DecryptPKCS1v15(rand io.Reader, priv *PrivateKey, ciphertext []byte) (out []byte, err error) { + valid, out, err := decryptPKCS1v15(rand, priv, ciphertext) + if err == nil && valid == 0 { + err = ErrDecryption + } + + return +} + +// DecryptPKCS1v15SessionKey decrypts a session key using RSA and the padding scheme from PKCS#1 v1.5. +// If rand != nil, it uses RSA blinding to avoid timing side-channel attacks. +// It returns an error if the ciphertext is the wrong length or if the +// ciphertext is greater than the public modulus. Otherwise, no error is +// returned. If the padding is valid, the resulting plaintext message is copied +// into key. Otherwise, key is unchanged. These alternatives occur in constant +// time. It is intended that the user of this function generate a random +// session key beforehand and continue the protocol with the resulting value. +// This will remove any possibility that an attacker can learn any information +// about the plaintext. +// See ``Chosen Ciphertext Attacks Against Protocols Based on the RSA +// Encryption Standard PKCS #1'', Daniel Bleichenbacher, Advances in Cryptology +// (Crypto '98). +func DecryptPKCS1v15SessionKey(rand io.Reader, priv *PrivateKey, ciphertext []byte, key []byte) (err error) { + k := (priv.N.BitLen() + 7) / 8 + if k-(len(key)+3+8) < 0 { + err = ErrDecryption + return + } + + valid, msg, err := decryptPKCS1v15(rand, priv, ciphertext) + if err != nil { + return + } + + valid &= subtle.ConstantTimeEq(int32(len(msg)), int32(len(key))) + subtle.ConstantTimeCopy(valid, key, msg) + return +} + +func decryptPKCS1v15(rand io.Reader, priv *PrivateKey, ciphertext []byte) (valid int, msg []byte, err error) { + k := (priv.N.BitLen() + 7) / 8 + if k < 11 { + err = ErrDecryption + return + } + + c := new(big.Int).SetBytes(ciphertext) + m, err := decrypt(rand, priv, c) + if err != nil { + return + } + + em := leftPad(m.Bytes(), k) + firstByteIsZero := subtle.ConstantTimeByteEq(em[0], 0) + secondByteIsTwo := subtle.ConstantTimeByteEq(em[1], 2) + + // The remainder of the plaintext must be a string of non-zero random + // octets, followed by a 0, followed by the message. + // lookingForIndex: 1 iff we are still looking for the zero. + // index: the offset of the first zero byte. + var lookingForIndex, index int + lookingForIndex = 1 + + for i := 2; i < len(em); i++ { + equals0 := subtle.ConstantTimeByteEq(em[i], 0) + index = subtle.ConstantTimeSelect(lookingForIndex&equals0, i, index) + lookingForIndex = subtle.ConstantTimeSelect(equals0, 0, lookingForIndex) + } + + valid = firstByteIsZero & secondByteIsTwo & (^lookingForIndex & 1) + msg = em[index+1:] + return +} + +// nonZeroRandomBytes fills the given slice with non-zero random octets. +func nonZeroRandomBytes(s []byte, rand io.Reader) (err error) { + _, err = io.ReadFull(rand, s) + if err != nil { + return + } + + for i := 0; i < len(s); i++ { + for s[i] == 0 { + _, err = io.ReadFull(rand, s[i:i+1]) + if err != nil { + return + } + // In tests, the PRNG may return all zeros so we do + // this to break the loop. + s[i] ^= 0x42 + } + } + + return +} + +// These are ASN1 DER structures: +// DigestInfo ::= SEQUENCE { +// digestAlgorithm AlgorithmIdentifier, +// digest OCTET STRING +// } +// For performance, we don't use the generic ASN1 encoder. Rather, we +// precompute a prefix of the digest value that makes a valid ASN1 DER string +// with the correct contents. +var hashPrefixes = map[crypto.Hash][]byte{ + crypto.MD5: {0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x02, 0x05, 0x05, 0x00, 0x04, 0x10}, + crypto.SHA1: {0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1a, 0x05, 0x00, 0x04, 0x14}, + crypto.SHA224: {0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, 0x05, 0x00, 0x04, 0x1c}, + crypto.SHA256: {0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20}, + crypto.SHA384: {0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, 0x05, 0x00, 0x04, 0x30}, + crypto.SHA512: {0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40}, + crypto.MD5SHA1: {}, // A special TLS case which doesn't use an ASN1 prefix. + crypto.RIPEMD160: {0x30, 0x20, 0x30, 0x08, 0x06, 0x06, 0x28, 0xcf, 0x06, 0x03, 0x00, 0x31, 0x04, 0x14}, +} + +// SignPKCS1v15 calculates the signature of hashed using RSASSA-PKCS1-V1_5-SIGN from RSA PKCS#1 v1.5. +// Note that hashed must be the result of hashing the input message using the +// given hash function. +func SignPKCS1v15(rand io.Reader, priv *PrivateKey, hash crypto.Hash, hashed []byte) (s []byte, err error) { + hashLen, prefix, err := pkcs1v15HashInfo(hash, len(hashed)) + if err != nil { + return + } + + tLen := len(prefix) + hashLen + k := (priv.N.BitLen() + 7) / 8 + if k < tLen+11 { + return nil, ErrMessageTooLong + } + + // EM = 0x00 || 0x01 || PS || 0x00 || T + em := make([]byte, k) + em[1] = 1 + for i := 2; i < k-tLen-1; i++ { + em[i] = 0xff + } + copy(em[k-tLen:k-hashLen], prefix) + copy(em[k-hashLen:k], hashed) + + m := new(big.Int).SetBytes(em) + c, err := decrypt(rand, priv, m) + if err == nil { + s = c.Bytes() + } + return +} + +// VerifyPKCS1v15 verifies an RSA PKCS#1 v1.5 signature. +// hashed is the result of hashing the input message using the given hash +// function and sig is the signature. A valid signature is indicated by +// returning a nil error. +func VerifyPKCS1v15(pub *PublicKey, hash crypto.Hash, hashed []byte, sig []byte) (err error) { + hashLen, prefix, err := pkcs1v15HashInfo(hash, len(hashed)) + if err != nil { + return + } + + tLen := len(prefix) + hashLen + k := (pub.N.BitLen() + 7) / 8 + if k < tLen+11 { + err = ErrVerification + return + } + + c := new(big.Int).SetBytes(sig) + m := encrypt(new(big.Int), pub, c) + em := leftPad(m.Bytes(), k) + // EM = 0x00 || 0x01 || PS || 0x00 || T + + ok := subtle.ConstantTimeByteEq(em[0], 0) + ok &= subtle.ConstantTimeByteEq(em[1], 1) + ok &= subtle.ConstantTimeCompare(em[k-hashLen:k], hashed) + ok &= subtle.ConstantTimeCompare(em[k-tLen:k-hashLen], prefix) + ok &= subtle.ConstantTimeByteEq(em[k-tLen-1], 0) + + for i := 2; i < k-tLen-1; i++ { + ok &= subtle.ConstantTimeByteEq(em[i], 0xff) + } + + if ok != 1 { + return ErrVerification + } + + return nil +} + +func pkcs1v15HashInfo(hash crypto.Hash, inLen int) (hashLen int, prefix []byte, err error) { + hashLen = hash.Size() + if inLen != hashLen { + return 0, nil, errors.New("input must be hashed message") + } + prefix, ok := hashPrefixes[hash] + if !ok { + return 0, nil, errors.New("unsupported hash function") + } + return +} diff --git a/gcc-4.7/libgo/go/crypto/rsa/pkcs1v15_test.go b/gcc-4.7/libgo/go/crypto/rsa/pkcs1v15_test.go new file mode 100644 index 000000000..58d5fda19 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/rsa/pkcs1v15_test.go @@ -0,0 +1,221 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package rsa + +import ( + "bytes" + "crypto" + "crypto/rand" + "crypto/sha1" + "encoding/base64" + "encoding/hex" + "io" + "math/big" + "testing" + "testing/quick" +) + +func decodeBase64(in string) []byte { + out := make([]byte, base64.StdEncoding.DecodedLen(len(in))) + n, err := base64.StdEncoding.Decode(out, []byte(in)) + if err != nil { + return nil + } + return out[0:n] +} + +type DecryptPKCS1v15Test struct { + in, out string +} + +// These test vectors were generated with `openssl rsautl -pkcs -encrypt` +var decryptPKCS1v15Tests = []DecryptPKCS1v15Test{ + { + "gIcUIoVkD6ATMBk/u/nlCZCCWRKdkfjCgFdo35VpRXLduiKXhNz1XupLLzTXAybEq15juc+EgY5o0DHv/nt3yg==", + "x", + }, + { + "Y7TOCSqofGhkRb+jaVRLzK8xw2cSo1IVES19utzv6hwvx+M8kFsoWQm5DzBeJCZTCVDPkTpavUuEbgp8hnUGDw==", + "testing.", + }, + { + "arReP9DJtEVyV2Dg3dDp4c/PSk1O6lxkoJ8HcFupoRorBZG+7+1fDAwT1olNddFnQMjmkb8vxwmNMoTAT/BFjQ==", + "testing.\n", + }, + { + "WtaBXIoGC54+vH0NH0CHHE+dRDOsMc/6BrfFu2lEqcKL9+uDuWaf+Xj9mrbQCjjZcpQuX733zyok/jsnqe/Ftw==", + "01234567890123456789012345678901234567890123456789012", + }, +} + +func TestDecryptPKCS1v15(t *testing.T) { + for i, test := range decryptPKCS1v15Tests { + out, err := DecryptPKCS1v15(nil, rsaPrivateKey, decodeBase64(test.in)) + if err != nil { + t.Errorf("#%d error decrypting", i) + } + want := []byte(test.out) + if bytes.Compare(out, want) != 0 { + t.Errorf("#%d got:%#v want:%#v", i, out, want) + } + } +} + +func TestEncryptPKCS1v15(t *testing.T) { + random := rand.Reader + k := (rsaPrivateKey.N.BitLen() + 7) / 8 + + tryEncryptDecrypt := func(in []byte, blind bool) bool { + if len(in) > k-11 { + in = in[0 : k-11] + } + + ciphertext, err := EncryptPKCS1v15(random, &rsaPrivateKey.PublicKey, in) + if err != nil { + t.Errorf("error encrypting: %s", err) + return false + } + + var rand io.Reader + if !blind { + rand = nil + } else { + rand = random + } + plaintext, err := DecryptPKCS1v15(rand, rsaPrivateKey, ciphertext) + if err != nil { + t.Errorf("error decrypting: %s", err) + return false + } + + if bytes.Compare(plaintext, in) != 0 { + t.Errorf("output mismatch: %#v %#v", plaintext, in) + return false + } + return true + } + + config := new(quick.Config) + if testing.Short() { + config.MaxCount = 10 + } + quick.Check(tryEncryptDecrypt, config) +} + +// These test vectors were generated with `openssl rsautl -pkcs -encrypt` +var decryptPKCS1v15SessionKeyTests = []DecryptPKCS1v15Test{ + { + "e6ukkae6Gykq0fKzYwULpZehX+UPXYzMoB5mHQUDEiclRbOTqas4Y0E6nwns1BBpdvEJcilhl5zsox/6DtGsYg==", + "1234", + }, + { + "Dtis4uk/q/LQGGqGk97P59K03hkCIVFMEFZRgVWOAAhxgYpCRG0MX2adptt92l67IqMki6iVQyyt0TtX3IdtEw==", + "FAIL", + }, + { + "LIyFyCYCptPxrvTxpol8F3M7ZivlMsf53zs0vHRAv+rDIh2YsHS69ePMoPMe3TkOMZ3NupiL3takPxIs1sK+dw==", + "abcd", + }, + { + "bafnobel46bKy76JzqU/RIVOH0uAYvzUtauKmIidKgM0sMlvobYVAVQPeUQ/oTGjbIZ1v/6Gyi5AO4DtHruGdw==", + "FAIL", + }, +} + +func TestEncryptPKCS1v15SessionKey(t *testing.T) { + for i, test := range decryptPKCS1v15SessionKeyTests { + key := []byte("FAIL") + err := DecryptPKCS1v15SessionKey(nil, rsaPrivateKey, decodeBase64(test.in), key) + if err != nil { + t.Errorf("#%d error decrypting", i) + } + want := []byte(test.out) + if bytes.Compare(key, want) != 0 { + t.Errorf("#%d got:%#v want:%#v", i, key, want) + } + } +} + +func TestNonZeroRandomBytes(t *testing.T) { + random := rand.Reader + + b := make([]byte, 512) + err := nonZeroRandomBytes(b, random) + if err != nil { + t.Errorf("returned error: %s", err) + } + for _, b := range b { + if b == 0 { + t.Errorf("Zero octet found") + return + } + } +} + +type signPKCS1v15Test struct { + in, out string +} + +// These vectors have been tested with +// `openssl rsautl -verify -inkey pk -in signature | hexdump -C` +var signPKCS1v15Tests = []signPKCS1v15Test{ + {"Test.\n", "a4f3fa6ea93bcdd0c57be020c1193ecbfd6f200a3d95c409769b029578fa0e336ad9a347600e40d3ae823b8c7e6bad88cc07c1d54c3a1523cbbb6d58efc362ae"}, +} + +func TestSignPKCS1v15(t *testing.T) { + for i, test := range signPKCS1v15Tests { + h := sha1.New() + h.Write([]byte(test.in)) + digest := h.Sum(nil) + + s, err := SignPKCS1v15(nil, rsaPrivateKey, crypto.SHA1, digest) + if err != nil { + t.Errorf("#%d %s", i, err) + } + + expected, _ := hex.DecodeString(test.out) + if bytes.Compare(s, expected) != 0 { + t.Errorf("#%d got: %x want: %x", i, s, expected) + } + } +} + +func TestVerifyPKCS1v15(t *testing.T) { + for i, test := range signPKCS1v15Tests { + h := sha1.New() + h.Write([]byte(test.in)) + digest := h.Sum(nil) + + sig, _ := hex.DecodeString(test.out) + + err := VerifyPKCS1v15(&rsaPrivateKey.PublicKey, crypto.SHA1, digest, sig) + if err != nil { + t.Errorf("#%d %s", i, err) + } + } +} + +// In order to generate new test vectors you'll need the PEM form of this key: +// -----BEGIN RSA PRIVATE KEY----- +// MIIBOgIBAAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0 +// fd7Ai2KW5ToIwzFofvJcS/STa6HA5gQenRUCAwEAAQJBAIq9amn00aS0h/CrjXqu +// /ThglAXJmZhOMPVn4eiu7/ROixi9sex436MaVeMqSNf7Ex9a8fRNfWss7Sqd9eWu +// RTUCIQDasvGASLqmjeffBNLTXV2A5g4t+kLVCpsEIZAycV5GswIhANEPLmax0ME/ +// EO+ZJ79TJKN5yiGBRsv5yvx5UiHxajEXAiAhAol5N4EUyq6I9w1rYdhPMGpLfk7A +// IU2snfRJ6Nq2CQIgFrPsWRCkV+gOYcajD17rEqmuLrdIRexpg8N1DOSXoJ8CIGlS +// tAboUGBxTDq3ZroNism3DaMIbKPyYrAqhKov1h5V +// -----END RSA PRIVATE KEY----- + +var rsaPrivateKey = &PrivateKey{ + PublicKey: PublicKey{ + N: fromBase10("9353930466774385905609975137998169297361893554149986716853295022578535724979677252958524466350471210367835187480748268864277464700638583474144061408845077"), + E: 65537, + }, + D: fromBase10("7266398431328116344057699379749222532279343923819063639497049039389899328538543087657733766554155839834519529439851673014800261285757759040931985506583861"), + Primes: []*big.Int{ + fromBase10("98920366548084643601728869055592650835572950932266967461790948584315647051443"), + fromBase10("94560208308847015747498523884063394671606671904944666360068158221458669711639"), + }, +} diff --git a/gcc-4.7/libgo/go/crypto/rsa/rsa.go b/gcc-4.7/libgo/go/crypto/rsa/rsa.go new file mode 100644 index 000000000..ec77e6869 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/rsa/rsa.go @@ -0,0 +1,486 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package rsa implements RSA encryption as specified in PKCS#1. +package rsa + +// TODO(agl): Add support for PSS padding. + +import ( + "crypto/rand" + "crypto/subtle" + "errors" + "hash" + "io" + "math/big" +) + +var bigZero = big.NewInt(0) +var bigOne = big.NewInt(1) + +// A PublicKey represents the public part of an RSA key. +type PublicKey struct { + N *big.Int // modulus + E int // public exponent +} + +// A PrivateKey represents an RSA key +type PrivateKey struct { + PublicKey // public part. + D *big.Int // private exponent + Primes []*big.Int // prime factors of N, has >= 2 elements. + + // Precomputed contains precomputed values that speed up private + // operations, if available. + Precomputed PrecomputedValues +} + +type PrecomputedValues struct { + Dp, Dq *big.Int // D mod (P-1) (or mod Q-1) + Qinv *big.Int // Q^-1 mod Q + + // CRTValues is used for the 3rd and subsequent primes. Due to a + // historical accident, the CRT for the first two primes is handled + // differently in PKCS#1 and interoperability is sufficiently + // important that we mirror this. + CRTValues []CRTValue +} + +// CRTValue contains the precomputed chinese remainder theorem values. +type CRTValue struct { + Exp *big.Int // D mod (prime-1). + Coeff *big.Int // R·Coeff ≡ 1 mod Prime. + R *big.Int // product of primes prior to this (inc p and q). +} + +// Validate performs basic sanity checks on the key. +// It returns nil if the key is valid, or else an error describing a problem. +func (priv *PrivateKey) Validate() error { + // Check that the prime factors are actually prime. Note that this is + // just a sanity check. Since the random witnesses chosen by + // ProbablyPrime are deterministic, given the candidate number, it's + // easy for an attack to generate composites that pass this test. + for _, prime := range priv.Primes { + if !prime.ProbablyPrime(20) { + return errors.New("prime factor is composite") + } + } + + // Check that Πprimes == n. + modulus := new(big.Int).Set(bigOne) + for _, prime := range priv.Primes { + modulus.Mul(modulus, prime) + } + if modulus.Cmp(priv.N) != 0 { + return errors.New("invalid modulus") + } + // Check that e and totient(Πprimes) are coprime. + totient := new(big.Int).Set(bigOne) + for _, prime := range priv.Primes { + pminus1 := new(big.Int).Sub(prime, bigOne) + totient.Mul(totient, pminus1) + } + e := big.NewInt(int64(priv.E)) + gcd := new(big.Int) + x := new(big.Int) + y := new(big.Int) + gcd.GCD(x, y, totient, e) + if gcd.Cmp(bigOne) != 0 { + return errors.New("invalid public exponent E") + } + // Check that de ≡ 1 (mod totient(Πprimes)) + de := new(big.Int).Mul(priv.D, e) + de.Mod(de, totient) + if de.Cmp(bigOne) != 0 { + return errors.New("invalid private exponent D") + } + return nil +} + +// GenerateKey generates an RSA keypair of the given bit size. +func GenerateKey(random io.Reader, bits int) (priv *PrivateKey, err error) { + return GenerateMultiPrimeKey(random, 2, bits) +} + +// GenerateMultiPrimeKey generates a multi-prime RSA keypair of the given bit +// size, as suggested in [1]. Although the public keys are compatible +// (actually, indistinguishable) from the 2-prime case, the private keys are +// not. Thus it may not be possible to export multi-prime private keys in +// certain formats or to subsequently import them into other code. +// +// Table 1 in [2] suggests maximum numbers of primes for a given size. +// +// [1] US patent 4405829 (1972, expired) +// [2] http://www.cacr.math.uwaterloo.ca/techreports/2006/cacr2006-16.pdf +func GenerateMultiPrimeKey(random io.Reader, nprimes int, bits int) (priv *PrivateKey, err error) { + priv = new(PrivateKey) + priv.E = 65537 + + if nprimes < 2 { + return nil, errors.New("rsa.GenerateMultiPrimeKey: nprimes must be >= 2") + } + + primes := make([]*big.Int, nprimes) + +NextSetOfPrimes: + for { + todo := bits + for i := 0; i < nprimes; i++ { + primes[i], err = rand.Prime(random, todo/(nprimes-i)) + if err != nil { + return nil, err + } + todo -= primes[i].BitLen() + } + + // Make sure that primes is pairwise unequal. + for i, prime := range primes { + for j := 0; j < i; j++ { + if prime.Cmp(primes[j]) == 0 { + continue NextSetOfPrimes + } + } + } + + n := new(big.Int).Set(bigOne) + totient := new(big.Int).Set(bigOne) + pminus1 := new(big.Int) + for _, prime := range primes { + n.Mul(n, prime) + pminus1.Sub(prime, bigOne) + totient.Mul(totient, pminus1) + } + + g := new(big.Int) + priv.D = new(big.Int) + y := new(big.Int) + e := big.NewInt(int64(priv.E)) + g.GCD(priv.D, y, e, totient) + + if g.Cmp(bigOne) == 0 { + priv.D.Add(priv.D, totient) + priv.Primes = primes + priv.N = n + + break + } + } + + priv.Precompute() + return +} + +// incCounter increments a four byte, big-endian counter. +func incCounter(c *[4]byte) { + if c[3]++; c[3] != 0 { + return + } + if c[2]++; c[2] != 0 { + return + } + if c[1]++; c[1] != 0 { + return + } + c[0]++ +} + +// mgf1XOR XORs the bytes in out with a mask generated using the MGF1 function +// specified in PKCS#1 v2.1. +func mgf1XOR(out []byte, hash hash.Hash, seed []byte) { + var counter [4]byte + var digest []byte + + done := 0 + for done < len(out) { + hash.Write(seed) + hash.Write(counter[0:4]) + digest = hash.Sum(digest[:0]) + hash.Reset() + + for i := 0; i < len(digest) && done < len(out); i++ { + out[done] ^= digest[i] + done++ + } + incCounter(&counter) + } +} + +// ErrMessageTooLong is returned when attempting to encrypt a message which is +// too large for the size of the public key. +var ErrMessageTooLong = errors.New("crypto/rsa: message too long for RSA public key size") + +func encrypt(c *big.Int, pub *PublicKey, m *big.Int) *big.Int { + e := big.NewInt(int64(pub.E)) + c.Exp(m, e, pub.N) + return c +} + +// EncryptOAEP encrypts the given message with RSA-OAEP. +// The message must be no longer than the length of the public modulus less +// twice the hash length plus 2. +func EncryptOAEP(hash hash.Hash, random io.Reader, pub *PublicKey, msg []byte, label []byte) (out []byte, err error) { + hash.Reset() + k := (pub.N.BitLen() + 7) / 8 + if len(msg) > k-2*hash.Size()-2 { + err = ErrMessageTooLong + return + } + + hash.Write(label) + lHash := hash.Sum(nil) + hash.Reset() + + em := make([]byte, k) + seed := em[1 : 1+hash.Size()] + db := em[1+hash.Size():] + + copy(db[0:hash.Size()], lHash) + db[len(db)-len(msg)-1] = 1 + copy(db[len(db)-len(msg):], msg) + + _, err = io.ReadFull(random, seed) + if err != nil { + return + } + + mgf1XOR(db, hash, seed) + mgf1XOR(seed, hash, db) + + m := new(big.Int) + m.SetBytes(em) + c := encrypt(new(big.Int), pub, m) + out = c.Bytes() + + if len(out) < k { + // If the output is too small, we need to left-pad with zeros. + t := make([]byte, k) + copy(t[k-len(out):], out) + out = t + } + + return +} + +// ErrDecryption represents a failure to decrypt a message. +// It is deliberately vague to avoid adaptive attacks. +var ErrDecryption = errors.New("crypto/rsa: decryption error") + +// ErrVerification represents a failure to verify a signature. +// It is deliberately vague to avoid adaptive attacks. +var ErrVerification = errors.New("crypto/rsa: verification error") + +// modInverse returns ia, the inverse of a in the multiplicative group of prime +// order n. It requires that a be a member of the group (i.e. less than n). +func modInverse(a, n *big.Int) (ia *big.Int, ok bool) { + g := new(big.Int) + x := new(big.Int) + y := new(big.Int) + g.GCD(x, y, a, n) + if g.Cmp(bigOne) != 0 { + // In this case, a and n aren't coprime and we cannot calculate + // the inverse. This happens because the values of n are nearly + // prime (being the product of two primes) rather than truly + // prime. + return + } + + if x.Cmp(bigOne) < 0 { + // 0 is not the multiplicative inverse of any element so, if x + // < 1, then x is negative. + x.Add(x, n) + } + + return x, true +} + +// Precompute performs some calculations that speed up private key operations +// in the future. +func (priv *PrivateKey) Precompute() { + if priv.Precomputed.Dp != nil { + return + } + + priv.Precomputed.Dp = new(big.Int).Sub(priv.Primes[0], bigOne) + priv.Precomputed.Dp.Mod(priv.D, priv.Precomputed.Dp) + + priv.Precomputed.Dq = new(big.Int).Sub(priv.Primes[1], bigOne) + priv.Precomputed.Dq.Mod(priv.D, priv.Precomputed.Dq) + + priv.Precomputed.Qinv = new(big.Int).ModInverse(priv.Primes[1], priv.Primes[0]) + + r := new(big.Int).Mul(priv.Primes[0], priv.Primes[1]) + priv.Precomputed.CRTValues = make([]CRTValue, len(priv.Primes)-2) + for i := 2; i < len(priv.Primes); i++ { + prime := priv.Primes[i] + values := &priv.Precomputed.CRTValues[i-2] + + values.Exp = new(big.Int).Sub(prime, bigOne) + values.Exp.Mod(priv.D, values.Exp) + + values.R = new(big.Int).Set(r) + values.Coeff = new(big.Int).ModInverse(r, prime) + + r.Mul(r, prime) + } +} + +// decrypt performs an RSA decryption, resulting in a plaintext integer. If a +// random source is given, RSA blinding is used. +func decrypt(random io.Reader, priv *PrivateKey, c *big.Int) (m *big.Int, err error) { + // TODO(agl): can we get away with reusing blinds? + if c.Cmp(priv.N) > 0 { + err = ErrDecryption + return + } + + var ir *big.Int + if random != nil { + // Blinding enabled. Blinding involves multiplying c by r^e. + // Then the decryption operation performs (m^e * r^e)^d mod n + // which equals mr mod n. The factor of r can then be removed + // by multiplying by the multiplicative inverse of r. + + var r *big.Int + + for { + r, err = rand.Int(random, priv.N) + if err != nil { + return + } + if r.Cmp(bigZero) == 0 { + r = bigOne + } + var ok bool + ir, ok = modInverse(r, priv.N) + if ok { + break + } + } + bigE := big.NewInt(int64(priv.E)) + rpowe := new(big.Int).Exp(r, bigE, priv.N) + cCopy := new(big.Int).Set(c) + cCopy.Mul(cCopy, rpowe) + cCopy.Mod(cCopy, priv.N) + c = cCopy + } + + if priv.Precomputed.Dp == nil { + m = new(big.Int).Exp(c, priv.D, priv.N) + } else { + // We have the precalculated values needed for the CRT. + m = new(big.Int).Exp(c, priv.Precomputed.Dp, priv.Primes[0]) + m2 := new(big.Int).Exp(c, priv.Precomputed.Dq, priv.Primes[1]) + m.Sub(m, m2) + if m.Sign() < 0 { + m.Add(m, priv.Primes[0]) + } + m.Mul(m, priv.Precomputed.Qinv) + m.Mod(m, priv.Primes[0]) + m.Mul(m, priv.Primes[1]) + m.Add(m, m2) + + for i, values := range priv.Precomputed.CRTValues { + prime := priv.Primes[2+i] + m2.Exp(c, values.Exp, prime) + m2.Sub(m2, m) + m2.Mul(m2, values.Coeff) + m2.Mod(m2, prime) + if m2.Sign() < 0 { + m2.Add(m2, prime) + } + m2.Mul(m2, values.R) + m.Add(m, m2) + } + } + + if ir != nil { + // Unblind. + m.Mul(m, ir) + m.Mod(m, priv.N) + } + + return +} + +// DecryptOAEP decrypts ciphertext using RSA-OAEP. +// If random != nil, DecryptOAEP uses RSA blinding to avoid timing side-channel attacks. +func DecryptOAEP(hash hash.Hash, random io.Reader, priv *PrivateKey, ciphertext []byte, label []byte) (msg []byte, err error) { + k := (priv.N.BitLen() + 7) / 8 + if len(ciphertext) > k || + k < hash.Size()*2+2 { + err = ErrDecryption + return + } + + c := new(big.Int).SetBytes(ciphertext) + + m, err := decrypt(random, priv, c) + if err != nil { + return + } + + hash.Write(label) + lHash := hash.Sum(nil) + hash.Reset() + + // Converting the plaintext number to bytes will strip any + // leading zeros so we may have to left pad. We do this unconditionally + // to avoid leaking timing information. (Although we still probably + // leak the number of leading zeros. It's not clear that we can do + // anything about this.) + em := leftPad(m.Bytes(), k) + + firstByteIsZero := subtle.ConstantTimeByteEq(em[0], 0) + + seed := em[1 : hash.Size()+1] + db := em[hash.Size()+1:] + + mgf1XOR(seed, hash, db) + mgf1XOR(db, hash, seed) + + lHash2 := db[0:hash.Size()] + + // We have to validate the plaintext in constant time in order to avoid + // attacks like: J. Manger. A Chosen Ciphertext Attack on RSA Optimal + // Asymmetric Encryption Padding (OAEP) as Standardized in PKCS #1 + // v2.0. In J. Kilian, editor, Advances in Cryptology. + lHash2Good := subtle.ConstantTimeCompare(lHash, lHash2) + + // The remainder of the plaintext must be zero or more 0x00, followed + // by 0x01, followed by the message. + // lookingForIndex: 1 iff we are still looking for the 0x01 + // index: the offset of the first 0x01 byte + // invalid: 1 iff we saw a non-zero byte before the 0x01. + var lookingForIndex, index, invalid int + lookingForIndex = 1 + rest := db[hash.Size():] + + for i := 0; i < len(rest); i++ { + equals0 := subtle.ConstantTimeByteEq(rest[i], 0) + equals1 := subtle.ConstantTimeByteEq(rest[i], 1) + index = subtle.ConstantTimeSelect(lookingForIndex&equals1, i, index) + lookingForIndex = subtle.ConstantTimeSelect(equals1, 0, lookingForIndex) + invalid = subtle.ConstantTimeSelect(lookingForIndex&^equals0, 1, invalid) + } + + if firstByteIsZero&lHash2Good&^invalid&^lookingForIndex != 1 { + err = ErrDecryption + return + } + + msg = rest[index+1:] + return +} + +// leftPad returns a new slice of length size. The contents of input are right +// aligned in the new slice. +func leftPad(input []byte, size int) (out []byte) { + n := len(input) + if n > size { + n = size + } + out = make([]byte, size) + copy(out[len(out)-n:], input) + return +} diff --git a/gcc-4.7/libgo/go/crypto/rsa/rsa_test.go b/gcc-4.7/libgo/go/crypto/rsa/rsa_test.go new file mode 100644 index 000000000..0fb9875d0 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/rsa/rsa_test.go @@ -0,0 +1,348 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package rsa + +import ( + "bytes" + "crypto/rand" + "crypto/sha1" + "math/big" + "testing" +) + +func TestKeyGeneration(t *testing.T) { + size := 1024 + if testing.Short() { + size = 128 + } + priv, err := GenerateKey(rand.Reader, size) + if err != nil { + t.Errorf("failed to generate key") + } + testKeyBasics(t, priv) +} + +func Test3PrimeKeyGeneration(t *testing.T) { + if testing.Short() { + return + } + + size := 768 + priv, err := GenerateMultiPrimeKey(rand.Reader, 3, size) + if err != nil { + t.Errorf("failed to generate key") + } + testKeyBasics(t, priv) +} + +func Test4PrimeKeyGeneration(t *testing.T) { + if testing.Short() { + return + } + + size := 768 + priv, err := GenerateMultiPrimeKey(rand.Reader, 4, size) + if err != nil { + t.Errorf("failed to generate key") + } + testKeyBasics(t, priv) +} + +func testKeyBasics(t *testing.T, priv *PrivateKey) { + if err := priv.Validate(); err != nil { + t.Errorf("Validate() failed: %s", err) + } + + pub := &priv.PublicKey + m := big.NewInt(42) + c := encrypt(new(big.Int), pub, m) + + m2, err := decrypt(nil, priv, c) + if err != nil { + t.Errorf("error while decrypting: %s", err) + return + } + if m.Cmp(m2) != 0 { + t.Errorf("got:%v, want:%v (%+v)", m2, m, priv) + } + + m3, err := decrypt(rand.Reader, priv, c) + if err != nil { + t.Errorf("error while decrypting (blind): %s", err) + } + if m.Cmp(m3) != 0 { + t.Errorf("(blind) got:%v, want:%v (%#v)", m3, m, priv) + } +} + +func fromBase10(base10 string) *big.Int { + i := new(big.Int) + i.SetString(base10, 10) + return i +} + +func BenchmarkRSA2048Decrypt(b *testing.B) { + b.StopTimer() + priv := &PrivateKey{ + PublicKey: PublicKey{ + N: fromBase10("14314132931241006650998084889274020608918049032671858325988396851334124245188214251956198731333464217832226406088020736932173064754214329009979944037640912127943488972644697423190955557435910767690712778463524983667852819010259499695177313115447116110358524558307947613422897787329221478860907963827160223559690523660574329011927531289655711860504630573766609239332569210831325633840174683944553667352219670930408593321661375473885147973879086994006440025257225431977751512374815915392249179976902953721486040787792801849818254465486633791826766873076617116727073077821584676715609985777563958286637185868165868520557"), + E: 3, + }, + D: fromBase10("9542755287494004433998723259516013739278699355114572217325597900889416163458809501304132487555642811888150937392013824621448709836142886006653296025093941418628992648429798282127303704957273845127141852309016655778568546006839666463451542076964744073572349705538631742281931858219480985907271975884773482372966847639853897890615456605598071088189838676728836833012254065983259638538107719766738032720239892094196108713378822882383694456030043492571063441943847195939549773271694647657549658603365629458610273821292232646334717612674519997533901052790334279661754176490593041941863932308687197618671528035670452762731"), + Primes: []*big.Int{ + fromBase10("130903255182996722426771613606077755295583329135067340152947172868415809027537376306193179624298874215608270802054347609836776473930072411958753044562214537013874103802006369634761074377213995983876788718033850153719421695468704276694983032644416930879093914927146648402139231293035971427838068945045019075433"), + fromBase10("109348945610485453577574767652527472924289229538286649661240938988020367005475727988253438647560958573506159449538793540472829815903949343191091817779240101054552748665267574271163617694640513549693841337820602726596756351006149518830932261246698766355347898158548465400674856021497190430791824869615170301029"), + }, + } + priv.Precompute() + + c := fromBase10("1000") + + b.StartTimer() + + for i := 0; i < b.N; i++ { + decrypt(nil, priv, c) + } +} + +func Benchmark3PrimeRSA2048Decrypt(b *testing.B) { + b.StopTimer() + priv := &PrivateKey{ + PublicKey: PublicKey{ + N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"), + E: 3, + }, + D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"), + Primes: []*big.Int{ + fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"), + fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"), + fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"), + }, + } + priv.Precompute() + + c := fromBase10("1000") + + b.StartTimer() + + for i := 0; i < b.N; i++ { + decrypt(nil, priv, c) + } +} + +type testEncryptOAEPMessage struct { + in []byte + seed []byte + out []byte +} + +type testEncryptOAEPStruct struct { + modulus string + e int + d string + msgs []testEncryptOAEPMessage +} + +func TestEncryptOAEP(t *testing.T) { + sha1 := sha1.New() + n := new(big.Int) + for i, test := range testEncryptOAEPData { + n.SetString(test.modulus, 16) + public := PublicKey{n, test.e} + + for j, message := range test.msgs { + randomSource := bytes.NewBuffer(message.seed) + out, err := EncryptOAEP(sha1, randomSource, &public, message.in, nil) + if err != nil { + t.Errorf("#%d,%d error: %s", i, j, err) + } + if bytes.Compare(out, message.out) != 0 { + t.Errorf("#%d,%d bad result: %x (want %x)", i, j, out, message.out) + } + } + } +} + +func TestDecryptOAEP(t *testing.T) { + random := rand.Reader + + sha1 := sha1.New() + n := new(big.Int) + d := new(big.Int) + for i, test := range testEncryptOAEPData { + n.SetString(test.modulus, 16) + d.SetString(test.d, 16) + private := new(PrivateKey) + private.PublicKey = PublicKey{n, test.e} + private.D = d + + for j, message := range test.msgs { + out, err := DecryptOAEP(sha1, nil, private, message.out, nil) + if err != nil { + t.Errorf("#%d,%d error: %s", i, j, err) + } else if bytes.Compare(out, message.in) != 0 { + t.Errorf("#%d,%d bad result: %#v (want %#v)", i, j, out, message.in) + } + + // Decrypt with blinding. + out, err = DecryptOAEP(sha1, random, private, message.out, nil) + if err != nil { + t.Errorf("#%d,%d (blind) error: %s", i, j, err) + } else if bytes.Compare(out, message.in) != 0 { + t.Errorf("#%d,%d (blind) bad result: %#v (want %#v)", i, j, out, message.in) + } + } + if testing.Short() { + break + } + } +} + +// testEncryptOAEPData contains a subset of the vectors from RSA's "Test vectors for RSA-OAEP". +var testEncryptOAEPData = []testEncryptOAEPStruct{ + // Key 1 + {"a8b3b284af8eb50b387034a860f146c4919f318763cd6c5598c8ae4811a1e0abc4c7e0b082d693a5e7fced675cf4668512772c0cbc64a742c6c630f533c8cc72f62ae833c40bf25842e984bb78bdbf97c0107d55bdb662f5c4e0fab9845cb5148ef7392dd3aaff93ae1e6b667bb3d4247616d4f5ba10d4cfd226de88d39f16fb", + 65537, + "53339cfdb79fc8466a655c7316aca85c55fd8f6dd898fdaf119517ef4f52e8fd8e258df93fee180fa0e4ab29693cd83b152a553d4ac4d1812b8b9fa5af0e7f55fe7304df41570926f3311f15c4d65a732c483116ee3d3d2d0af3549ad9bf7cbfb78ad884f84d5beb04724dc7369b31def37d0cf539e9cfcdd3de653729ead5d1", + []testEncryptOAEPMessage{ + // Example 1.1 + { + []byte{0x66, 0x28, 0x19, 0x4e, 0x12, 0x07, 0x3d, 0xb0, + 0x3b, 0xa9, 0x4c, 0xda, 0x9e, 0xf9, 0x53, 0x23, 0x97, + 0xd5, 0x0d, 0xba, 0x79, 0xb9, 0x87, 0x00, 0x4a, 0xfe, + 0xfe, 0x34, + }, + []byte{0x18, 0xb7, 0x76, 0xea, 0x21, 0x06, 0x9d, 0x69, + 0x77, 0x6a, 0x33, 0xe9, 0x6b, 0xad, 0x48, 0xe1, 0xdd, + 0xa0, 0xa5, 0xef, + }, + []byte{0x35, 0x4f, 0xe6, 0x7b, 0x4a, 0x12, 0x6d, 0x5d, + 0x35, 0xfe, 0x36, 0xc7, 0x77, 0x79, 0x1a, 0x3f, 0x7b, + 0xa1, 0x3d, 0xef, 0x48, 0x4e, 0x2d, 0x39, 0x08, 0xaf, + 0xf7, 0x22, 0xfa, 0xd4, 0x68, 0xfb, 0x21, 0x69, 0x6d, + 0xe9, 0x5d, 0x0b, 0xe9, 0x11, 0xc2, 0xd3, 0x17, 0x4f, + 0x8a, 0xfc, 0xc2, 0x01, 0x03, 0x5f, 0x7b, 0x6d, 0x8e, + 0x69, 0x40, 0x2d, 0xe5, 0x45, 0x16, 0x18, 0xc2, 0x1a, + 0x53, 0x5f, 0xa9, 0xd7, 0xbf, 0xc5, 0xb8, 0xdd, 0x9f, + 0xc2, 0x43, 0xf8, 0xcf, 0x92, 0x7d, 0xb3, 0x13, 0x22, + 0xd6, 0xe8, 0x81, 0xea, 0xa9, 0x1a, 0x99, 0x61, 0x70, + 0xe6, 0x57, 0xa0, 0x5a, 0x26, 0x64, 0x26, 0xd9, 0x8c, + 0x88, 0x00, 0x3f, 0x84, 0x77, 0xc1, 0x22, 0x70, 0x94, + 0xa0, 0xd9, 0xfa, 0x1e, 0x8c, 0x40, 0x24, 0x30, 0x9c, + 0xe1, 0xec, 0xcc, 0xb5, 0x21, 0x00, 0x35, 0xd4, 0x7a, + 0xc7, 0x2e, 0x8a, + }, + }, + // Example 1.2 + { + []byte{0x75, 0x0c, 0x40, 0x47, 0xf5, 0x47, 0xe8, 0xe4, + 0x14, 0x11, 0x85, 0x65, 0x23, 0x29, 0x8a, 0xc9, 0xba, + 0xe2, 0x45, 0xef, 0xaf, 0x13, 0x97, 0xfb, 0xe5, 0x6f, + 0x9d, 0xd5, + }, + []byte{0x0c, 0xc7, 0x42, 0xce, 0x4a, 0x9b, 0x7f, 0x32, + 0xf9, 0x51, 0xbc, 0xb2, 0x51, 0xef, 0xd9, 0x25, 0xfe, + 0x4f, 0xe3, 0x5f, + }, + []byte{0x64, 0x0d, 0xb1, 0xac, 0xc5, 0x8e, 0x05, 0x68, + 0xfe, 0x54, 0x07, 0xe5, 0xf9, 0xb7, 0x01, 0xdf, 0xf8, + 0xc3, 0xc9, 0x1e, 0x71, 0x6c, 0x53, 0x6f, 0xc7, 0xfc, + 0xec, 0x6c, 0xb5, 0xb7, 0x1c, 0x11, 0x65, 0x98, 0x8d, + 0x4a, 0x27, 0x9e, 0x15, 0x77, 0xd7, 0x30, 0xfc, 0x7a, + 0x29, 0x93, 0x2e, 0x3f, 0x00, 0xc8, 0x15, 0x15, 0x23, + 0x6d, 0x8d, 0x8e, 0x31, 0x01, 0x7a, 0x7a, 0x09, 0xdf, + 0x43, 0x52, 0xd9, 0x04, 0xcd, 0xeb, 0x79, 0xaa, 0x58, + 0x3a, 0xdc, 0xc3, 0x1e, 0xa6, 0x98, 0xa4, 0xc0, 0x52, + 0x83, 0xda, 0xba, 0x90, 0x89, 0xbe, 0x54, 0x91, 0xf6, + 0x7c, 0x1a, 0x4e, 0xe4, 0x8d, 0xc7, 0x4b, 0xbb, 0xe6, + 0x64, 0x3a, 0xef, 0x84, 0x66, 0x79, 0xb4, 0xcb, 0x39, + 0x5a, 0x35, 0x2d, 0x5e, 0xd1, 0x15, 0x91, 0x2d, 0xf6, + 0x96, 0xff, 0xe0, 0x70, 0x29, 0x32, 0x94, 0x6d, 0x71, + 0x49, 0x2b, 0x44, + }, + }, + // Example 1.3 + { + []byte{0xd9, 0x4a, 0xe0, 0x83, 0x2e, 0x64, 0x45, 0xce, + 0x42, 0x33, 0x1c, 0xb0, 0x6d, 0x53, 0x1a, 0x82, 0xb1, + 0xdb, 0x4b, 0xaa, 0xd3, 0x0f, 0x74, 0x6d, 0xc9, 0x16, + 0xdf, 0x24, 0xd4, 0xe3, 0xc2, 0x45, 0x1f, 0xff, 0x59, + 0xa6, 0x42, 0x3e, 0xb0, 0xe1, 0xd0, 0x2d, 0x4f, 0xe6, + 0x46, 0xcf, 0x69, 0x9d, 0xfd, 0x81, 0x8c, 0x6e, 0x97, + 0xb0, 0x51, + }, + []byte{0x25, 0x14, 0xdf, 0x46, 0x95, 0x75, 0x5a, 0x67, + 0xb2, 0x88, 0xea, 0xf4, 0x90, 0x5c, 0x36, 0xee, 0xc6, + 0x6f, 0xd2, 0xfd, + }, + []byte{0x42, 0x37, 0x36, 0xed, 0x03, 0x5f, 0x60, 0x26, + 0xaf, 0x27, 0x6c, 0x35, 0xc0, 0xb3, 0x74, 0x1b, 0x36, + 0x5e, 0x5f, 0x76, 0xca, 0x09, 0x1b, 0x4e, 0x8c, 0x29, + 0xe2, 0xf0, 0xbe, 0xfe, 0xe6, 0x03, 0x59, 0x5a, 0xa8, + 0x32, 0x2d, 0x60, 0x2d, 0x2e, 0x62, 0x5e, 0x95, 0xeb, + 0x81, 0xb2, 0xf1, 0xc9, 0x72, 0x4e, 0x82, 0x2e, 0xca, + 0x76, 0xdb, 0x86, 0x18, 0xcf, 0x09, 0xc5, 0x34, 0x35, + 0x03, 0xa4, 0x36, 0x08, 0x35, 0xb5, 0x90, 0x3b, 0xc6, + 0x37, 0xe3, 0x87, 0x9f, 0xb0, 0x5e, 0x0e, 0xf3, 0x26, + 0x85, 0xd5, 0xae, 0xc5, 0x06, 0x7c, 0xd7, 0xcc, 0x96, + 0xfe, 0x4b, 0x26, 0x70, 0xb6, 0xea, 0xc3, 0x06, 0x6b, + 0x1f, 0xcf, 0x56, 0x86, 0xb6, 0x85, 0x89, 0xaa, 0xfb, + 0x7d, 0x62, 0x9b, 0x02, 0xd8, 0xf8, 0x62, 0x5c, 0xa3, + 0x83, 0x36, 0x24, 0xd4, 0x80, 0x0f, 0xb0, 0x81, 0xb1, + 0xcf, 0x94, 0xeb, + }, + }, + }, + }, + // Key 10 + {"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", + 65537, + "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", + []testEncryptOAEPMessage{ + // Example 10.1 + { + []byte{0x8b, 0xba, 0x6b, 0xf8, 0x2a, 0x6c, 0x0f, 0x86, + 0xd5, 0xf1, 0x75, 0x6e, 0x97, 0x95, 0x68, 0x70, 0xb0, + 0x89, 0x53, 0xb0, 0x6b, 0x4e, 0xb2, 0x05, 0xbc, 0x16, + 0x94, 0xee, + }, + []byte{0x47, 0xe1, 0xab, 0x71, 0x19, 0xfe, 0xe5, 0x6c, + 0x95, 0xee, 0x5e, 0xaa, 0xd8, 0x6f, 0x40, 0xd0, 0xaa, + 0x63, 0xbd, 0x33, + }, + []byte{0x53, 0xea, 0x5d, 0xc0, 0x8c, 0xd2, 0x60, 0xfb, + 0x3b, 0x85, 0x85, 0x67, 0x28, 0x7f, 0xa9, 0x15, 0x52, + 0xc3, 0x0b, 0x2f, 0xeb, 0xfb, 0xa2, 0x13, 0xf0, 0xae, + 0x87, 0x70, 0x2d, 0x06, 0x8d, 0x19, 0xba, 0xb0, 0x7f, + 0xe5, 0x74, 0x52, 0x3d, 0xfb, 0x42, 0x13, 0x9d, 0x68, + 0xc3, 0xc5, 0xaf, 0xee, 0xe0, 0xbf, 0xe4, 0xcb, 0x79, + 0x69, 0xcb, 0xf3, 0x82, 0xb8, 0x04, 0xd6, 0xe6, 0x13, + 0x96, 0x14, 0x4e, 0x2d, 0x0e, 0x60, 0x74, 0x1f, 0x89, + 0x93, 0xc3, 0x01, 0x4b, 0x58, 0xb9, 0xb1, 0x95, 0x7a, + 0x8b, 0xab, 0xcd, 0x23, 0xaf, 0x85, 0x4f, 0x4c, 0x35, + 0x6f, 0xb1, 0x66, 0x2a, 0xa7, 0x2b, 0xfc, 0xc7, 0xe5, + 0x86, 0x55, 0x9d, 0xc4, 0x28, 0x0d, 0x16, 0x0c, 0x12, + 0x67, 0x85, 0xa7, 0x23, 0xeb, 0xee, 0xbe, 0xff, 0x71, + 0xf1, 0x15, 0x94, 0x44, 0x0a, 0xae, 0xf8, 0x7d, 0x10, + 0x79, 0x3a, 0x87, 0x74, 0xa2, 0x39, 0xd4, 0xa0, 0x4c, + 0x87, 0xfe, 0x14, 0x67, 0xb9, 0xda, 0xf8, 0x52, 0x08, + 0xec, 0x6c, 0x72, 0x55, 0x79, 0x4a, 0x96, 0xcc, 0x29, + 0x14, 0x2f, 0x9a, 0x8b, 0xd4, 0x18, 0xe3, 0xc1, 0xfd, + 0x67, 0x34, 0x4b, 0x0c, 0xd0, 0x82, 0x9d, 0xf3, 0xb2, + 0xbe, 0xc6, 0x02, 0x53, 0x19, 0x62, 0x93, 0xc6, 0xb3, + 0x4d, 0x3f, 0x75, 0xd3, 0x2f, 0x21, 0x3d, 0xd4, 0x5c, + 0x62, 0x73, 0xd5, 0x05, 0xad, 0xf4, 0xcc, 0xed, 0x10, + 0x57, 0xcb, 0x75, 0x8f, 0xc2, 0x6a, 0xee, 0xfa, 0x44, + 0x12, 0x55, 0xed, 0x4e, 0x64, 0xc1, 0x99, 0xee, 0x07, + 0x5e, 0x7f, 0x16, 0x64, 0x61, 0x82, 0xfd, 0xb4, 0x64, + 0x73, 0x9b, 0x68, 0xab, 0x5d, 0xaf, 0xf0, 0xe6, 0x3e, + 0x95, 0x52, 0x01, 0x68, 0x24, 0xf0, 0x54, 0xbf, 0x4d, + 0x3c, 0x8c, 0x90, 0xa9, 0x7b, 0xb6, 0xb6, 0x55, 0x32, + 0x84, 0xeb, 0x42, 0x9f, 0xcc, + }, + }, + }, + }, +} diff --git a/gcc-4.7/libgo/go/crypto/sha1/sha1.go b/gcc-4.7/libgo/go/crypto/sha1/sha1.go new file mode 100644 index 000000000..876e7992a --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/sha1/sha1.go @@ -0,0 +1,121 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package sha1 implements the SHA1 hash algorithm as defined in RFC 3174. +package sha1 + +import ( + "crypto" + "hash" +) + +func init() { + crypto.RegisterHash(crypto.SHA1, New) +} + +// The size of a SHA1 checksum in bytes. +const Size = 20 + +// The blocksize of SHA1 in bytes. +const BlockSize = 64 + +const ( + _Chunk = 64 + _Init0 = 0x67452301 + _Init1 = 0xEFCDAB89 + _Init2 = 0x98BADCFE + _Init3 = 0x10325476 + _Init4 = 0xC3D2E1F0 +) + +// digest represents the partial evaluation of a checksum. +type digest struct { + h [5]uint32 + x [_Chunk]byte + nx int + len uint64 +} + +func (d *digest) Reset() { + d.h[0] = _Init0 + d.h[1] = _Init1 + d.h[2] = _Init2 + d.h[3] = _Init3 + d.h[4] = _Init4 + d.nx = 0 + d.len = 0 +} + +// New returns a new hash.Hash computing the SHA1 checksum. +func New() hash.Hash { + d := new(digest) + d.Reset() + return d +} + +func (d *digest) Size() int { return Size } + +func (d *digest) BlockSize() int { return BlockSize } + +func (d *digest) Write(p []byte) (nn int, err error) { + nn = len(p) + d.len += uint64(nn) + if d.nx > 0 { + n := len(p) + if n > _Chunk-d.nx { + n = _Chunk - d.nx + } + for i := 0; i < n; i++ { + d.x[d.nx+i] = p[i] + } + d.nx += n + if d.nx == _Chunk { + _Block(d, d.x[0:]) + d.nx = 0 + } + p = p[n:] + } + n := _Block(d, p) + p = p[n:] + if len(p) > 0 { + d.nx = copy(d.x[:], p) + } + return +} + +func (d0 *digest) Sum(in []byte) []byte { + // Make a copy of d0 so that caller can keep writing and summing. + d := *d0 + + // Padding. Add a 1 bit and 0 bits until 56 bytes mod 64. + len := d.len + var tmp [64]byte + tmp[0] = 0x80 + if len%64 < 56 { + d.Write(tmp[0 : 56-len%64]) + } else { + d.Write(tmp[0 : 64+56-len%64]) + } + + // Length in bits. + len <<= 3 + for i := uint(0); i < 8; i++ { + tmp[i] = byte(len >> (56 - 8*i)) + } + d.Write(tmp[0:8]) + + if d.nx != 0 { + panic("d.nx != 0") + } + + var digest [Size]byte + for i, s := range d.h { + digest[i*4] = byte(s >> 24) + digest[i*4+1] = byte(s >> 16) + digest[i*4+2] = byte(s >> 8) + digest[i*4+3] = byte(s) + } + + return append(in, digest[:]...) +} diff --git a/gcc-4.7/libgo/go/crypto/sha1/sha1_test.go b/gcc-4.7/libgo/go/crypto/sha1/sha1_test.go new file mode 100644 index 000000000..2dc14ac98 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/sha1/sha1_test.go @@ -0,0 +1,81 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// SHA1 hash algorithm. See RFC 3174. + +package sha1_test + +import ( + "crypto/sha1" + "fmt" + "io" + "testing" +) + +type sha1Test struct { + out string + in string +} + +var golden = []sha1Test{ + {"da39a3ee5e6b4b0d3255bfef95601890afd80709", ""}, + {"86f7e437faa5a7fce15d1ddcb9eaeaea377667b8", "a"}, + {"da23614e02469a0d7c7bd1bdab5c9c474b1904dc", "ab"}, + {"a9993e364706816aba3e25717850c26c9cd0d89d", "abc"}, + {"81fe8bfe87576c3ecb22426f8e57847382917acf", "abcd"}, + {"03de6c570bfe24bfc328ccd7ca46b76eadaf4334", "abcde"}, + {"1f8ac10f23c5b5bc1167bda84b833e5c057a77d2", "abcdef"}, + {"2fb5e13419fc89246865e7a324f476ec624e8740", "abcdefg"}, + {"425af12a0743502b322e93a015bcf868e324d56a", "abcdefgh"}, + {"c63b19f1e4c8b5f76b25c49b8b87f57d8e4872a1", "abcdefghi"}, + {"d68c19a0a345b7eab78d5e11e991c026ec60db63", "abcdefghij"}, + {"ebf81ddcbe5bf13aaabdc4d65354fdf2044f38a7", "Discard medicine more than two years old."}, + {"e5dea09392dd886ca63531aaa00571dc07554bb6", "He who has a shady past knows that nice guys finish last."}, + {"45988f7234467b94e3e9494434c96ee3609d8f8f", "I wouldn't marry him with a ten foot pole."}, + {"55dee037eb7460d5a692d1ce11330b260e40c988", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"}, + {"b7bc5fb91080c7de6b582ea281f8a396d7c0aee8", "The days of the digital watch are numbered. -Tom Stoppard"}, + {"c3aed9358f7c77f523afe86135f06b95b3999797", "Nepal premier won't resign."}, + {"6e29d302bf6e3a5e4305ff318d983197d6906bb9", "For every action there is an equal and opposite government program."}, + {"597f6a540010f94c15d71806a99a2c8710e747bd", "His money is twice tainted: 'taint yours and 'taint mine."}, + {"6859733b2590a8a091cecf50086febc5ceef1e80", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"}, + {"514b2630ec089b8aee18795fc0cf1f4860cdacad", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"}, + {"c5ca0d4a7b6676fc7aa72caa41cc3d5df567ed69", "size: a.out: bad magic"}, + {"74c51fa9a04eadc8c1bbeaa7fc442f834b90a00a", "The major problem is with sendmail. -Mark Horton"}, + {"0b4c4ce5f52c3ad2821852a8dc00217fa18b8b66", "Give me a rock, paper and scissors and I will move the world. CCFestoon"}, + {"3ae7937dd790315beb0f48330e8642237c61550a", "If the enemy is within range, then so are you."}, + {"410a2b296df92b9a47412b13281df8f830a9f44b", "It's well we cannot hear the screams/That we create in others' dreams."}, + {"841e7c85ca1adcddbdd0187f1289acb5c642f7f5", "You remind me of a TV show, but that's all right: I watch it anyway."}, + {"163173b825d03b952601376b25212df66763e1db", "C is as portable as Stonehedge!!"}, + {"32b0377f2687eb88e22106f133c586ab314d5279", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"}, + {"0885aaf99b569542fd165fa44e322718f4a984e0", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule"}, + {"6627d6904d71420b0bf3886ab629623538689f45", "How can you write a big system without C++? -Paul Glick"}, +} + +func TestGolden(t *testing.T) { + for i := 0; i < len(golden); i++ { + g := golden[i] + c := sha1.New() + for j := 0; j < 3; j++ { + if j < 2 { + io.WriteString(c, g.in) + } else { + io.WriteString(c, g.in[0:len(g.in)/2]) + c.Sum(nil) + io.WriteString(c, g.in[len(g.in)/2:]) + } + s := fmt.Sprintf("%x", c.Sum(nil)) + if s != g.out { + t.Fatalf("sha1[%d](%s) = %s want %s", j, g.in, s, g.out) + } + c.Reset() + } + } +} + +func ExampleNew() { + h := sha1.New() + io.WriteString(h, "His money is twice tainted: 'taint yours and 'taint mine.") + fmt.Printf("% x", h.Sum(nil)) + // Output: 59 7f 6a 54 00 10 f9 4c 15 d7 18 06 a9 9a 2c 87 10 e7 47 bd +} diff --git a/gcc-4.7/libgo/go/crypto/sha1/sha1block.go b/gcc-4.7/libgo/go/crypto/sha1/sha1block.go new file mode 100644 index 000000000..b5d32af70 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/sha1/sha1block.go @@ -0,0 +1,81 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// SHA1 block step. +// In its own file so that a faster assembly or C version +// can be substituted easily. + +package sha1 + +const ( + _K0 = 0x5A827999 + _K1 = 0x6ED9EBA1 + _K2 = 0x8F1BBCDC + _K3 = 0xCA62C1D6 +) + +func _Block(dig *digest, p []byte) int { + var w [80]uint32 + + n := 0 + h0, h1, h2, h3, h4 := dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4] + for len(p) >= _Chunk { + // Can interlace the computation of w with the + // rounds below if needed for speed. + for i := 0; i < 16; i++ { + j := i * 4 + w[i] = uint32(p[j])<<24 | uint32(p[j+1])<<16 | uint32(p[j+2])<<8 | uint32(p[j+3]) + } + for i := 16; i < 80; i++ { + tmp := w[i-3] ^ w[i-8] ^ w[i-14] ^ w[i-16] + w[i] = tmp<<1 | tmp>>(32-1) + } + + a, b, c, d, e := h0, h1, h2, h3, h4 + + // Each of the four 20-iteration rounds + // differs only in the computation of f and + // the choice of K (_K0, _K1, etc). + for i := 0; i < 20; i++ { + f := b&c | (^b)&d + a5 := a<<5 | a>>(32-5) + b30 := b<<30 | b>>(32-30) + t := a5 + f + e + w[i] + _K0 + a, b, c, d, e = t, a, b30, c, d + } + for i := 20; i < 40; i++ { + f := b ^ c ^ d + a5 := a<<5 | a>>(32-5) + b30 := b<<30 | b>>(32-30) + t := a5 + f + e + w[i] + _K1 + a, b, c, d, e = t, a, b30, c, d + } + for i := 40; i < 60; i++ { + f := b&c | b&d | c&d + a5 := a<<5 | a>>(32-5) + b30 := b<<30 | b>>(32-30) + t := a5 + f + e + w[i] + _K2 + a, b, c, d, e = t, a, b30, c, d + } + for i := 60; i < 80; i++ { + f := b ^ c ^ d + a5 := a<<5 | a>>(32-5) + b30 := b<<30 | b>>(32-30) + t := a5 + f + e + w[i] + _K3 + a, b, c, d, e = t, a, b30, c, d + } + + h0 += a + h1 += b + h2 += c + h3 += d + h4 += e + + p = p[_Chunk:] + n += _Chunk + } + + dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4] = h0, h1, h2, h3, h4 + return n +} diff --git a/gcc-4.7/libgo/go/crypto/sha256/sha256.go b/gcc-4.7/libgo/go/crypto/sha256/sha256.go new file mode 100644 index 000000000..a61e30b42 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/sha256/sha256.go @@ -0,0 +1,172 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package sha256 implements the SHA224 and SHA256 hash algorithms as defined +// in FIPS 180-2. +package sha256 + +import ( + "crypto" + "hash" +) + +func init() { + crypto.RegisterHash(crypto.SHA224, New224) + crypto.RegisterHash(crypto.SHA256, New) +} + +// The size of a SHA256 checksum in bytes. +const Size = 32 + +// The size of a SHA224 checksum in bytes. +const Size224 = 28 + +// The blocksize of SHA256 and SHA224 in bytes. +const BlockSize = 64 + +const ( + _Chunk = 64 + _Init0 = 0x6A09E667 + _Init1 = 0xBB67AE85 + _Init2 = 0x3C6EF372 + _Init3 = 0xA54FF53A + _Init4 = 0x510E527F + _Init5 = 0x9B05688C + _Init6 = 0x1F83D9AB + _Init7 = 0x5BE0CD19 + _Init0_224 = 0xC1059ED8 + _Init1_224 = 0x367CD507 + _Init2_224 = 0x3070DD17 + _Init3_224 = 0xF70E5939 + _Init4_224 = 0xFFC00B31 + _Init5_224 = 0x68581511 + _Init6_224 = 0x64F98FA7 + _Init7_224 = 0xBEFA4FA4 +) + +// digest represents the partial evaluation of a checksum. +type digest struct { + h [8]uint32 + x [_Chunk]byte + nx int + len uint64 + is224 bool // mark if this digest is SHA-224 +} + +func (d *digest) Reset() { + if !d.is224 { + d.h[0] = _Init0 + d.h[1] = _Init1 + d.h[2] = _Init2 + d.h[3] = _Init3 + d.h[4] = _Init4 + d.h[5] = _Init5 + d.h[6] = _Init6 + d.h[7] = _Init7 + } else { + d.h[0] = _Init0_224 + d.h[1] = _Init1_224 + d.h[2] = _Init2_224 + d.h[3] = _Init3_224 + d.h[4] = _Init4_224 + d.h[5] = _Init5_224 + d.h[6] = _Init6_224 + d.h[7] = _Init7_224 + } + d.nx = 0 + d.len = 0 +} + +// New returns a new hash.Hash computing the SHA256 checksum. +func New() hash.Hash { + d := new(digest) + d.Reset() + return d +} + +// New224 returns a new hash.Hash computing the SHA224 checksum. +func New224() hash.Hash { + d := new(digest) + d.is224 = true + d.Reset() + return d +} + +func (d *digest) Size() int { + if !d.is224 { + return Size + } + return Size224 +} + +func (d *digest) BlockSize() int { return BlockSize } + +func (d *digest) Write(p []byte) (nn int, err error) { + nn = len(p) + d.len += uint64(nn) + if d.nx > 0 { + n := len(p) + if n > _Chunk-d.nx { + n = _Chunk - d.nx + } + for i := 0; i < n; i++ { + d.x[d.nx+i] = p[i] + } + d.nx += n + if d.nx == _Chunk { + _Block(d, d.x[0:]) + d.nx = 0 + } + p = p[n:] + } + n := _Block(d, p) + p = p[n:] + if len(p) > 0 { + d.nx = copy(d.x[:], p) + } + return +} + +func (d0 *digest) Sum(in []byte) []byte { + // Make a copy of d0 so that caller can keep writing and summing. + d := *d0 + + // Padding. Add a 1 bit and 0 bits until 56 bytes mod 64. + len := d.len + var tmp [64]byte + tmp[0] = 0x80 + if len%64 < 56 { + d.Write(tmp[0 : 56-len%64]) + } else { + d.Write(tmp[0 : 64+56-len%64]) + } + + // Length in bits. + len <<= 3 + for i := uint(0); i < 8; i++ { + tmp[i] = byte(len >> (56 - 8*i)) + } + d.Write(tmp[0:8]) + + if d.nx != 0 { + panic("d.nx != 0") + } + + h := d.h[:] + size := Size + if d.is224 { + h = d.h[:7] + size = Size224 + } + + var digest [Size]byte + for i, s := range h { + digest[i*4] = byte(s >> 24) + digest[i*4+1] = byte(s >> 16) + digest[i*4+2] = byte(s >> 8) + digest[i*4+3] = byte(s) + } + + return append(in, digest[:size]...) +} diff --git a/gcc-4.7/libgo/go/crypto/sha256/sha256_test.go b/gcc-4.7/libgo/go/crypto/sha256/sha256_test.go new file mode 100644 index 000000000..a6efb3754 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/sha256/sha256_test.go @@ -0,0 +1,125 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// SHA256 hash algorithm. See FIPS 180-2. + +package sha256 + +import ( + "fmt" + "io" + "testing" +) + +type sha256Test struct { + out string + in string +} + +var golden = []sha256Test{ + {"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", ""}, + {"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb", "a"}, + {"fb8e20fc2e4c3f248c60c39bd652f3c1347298bb977b8b4d5903b85055620603", "ab"}, + {"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad", "abc"}, + {"88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589", "abcd"}, + {"36bbe50ed96841d10443bcb670d6554f0a34b761be67ec9c4a8ad2c0c44ca42c", "abcde"}, + {"bef57ec7f53a6d40beb640a780a639c83bc29ac8a9816f1fc6c5c6dcd93c4721", "abcdef"}, + {"7d1a54127b222502f5b79b5fb0803061152a44f92b37e23c6527baf665d4da9a", "abcdefg"}, + {"9c56cc51b374c3ba189210d5b6d4bf57790d351c96c47c02190ecf1e430635ab", "abcdefgh"}, + {"19cc02f26df43cc571bc9ed7b0c4d29224a3ec229529221725ef76d021c8326f", "abcdefghi"}, + {"72399361da6a7754fec986dca5b7cbaf1c810a28ded4abaf56b2106d06cb78b0", "abcdefghij"}, + {"a144061c271f152da4d151034508fed1c138b8c976339de229c3bb6d4bbb4fce", "Discard medicine more than two years old."}, + {"6dae5caa713a10ad04b46028bf6dad68837c581616a1589a265a11288d4bb5c4", "He who has a shady past knows that nice guys finish last."}, + {"ae7a702a9509039ddbf29f0765e70d0001177914b86459284dab8b348c2dce3f", "I wouldn't marry him with a ten foot pole."}, + {"6748450b01c568586715291dfa3ee018da07d36bb7ea6f180c1af6270215c64f", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"}, + {"14b82014ad2b11f661b5ae6a99b75105c2ffac278cd071cd6c05832793635774", "The days of the digital watch are numbered. -Tom Stoppard"}, + {"7102cfd76e2e324889eece5d6c41921b1e142a4ac5a2692be78803097f6a48d8", "Nepal premier won't resign."}, + {"23b1018cd81db1d67983c5f7417c44da9deb582459e378d7a068552ea649dc9f", "For every action there is an equal and opposite government program."}, + {"8001f190dfb527261c4cfcab70c98e8097a7a1922129bc4096950e57c7999a5a", "His money is twice tainted: 'taint yours and 'taint mine."}, + {"8c87deb65505c3993eb24b7a150c4155e82eee6960cf0c3a8114ff736d69cad5", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"}, + {"bfb0a67a19cdec3646498b2e0f751bddc41bba4b7f30081b0b932aad214d16d7", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"}, + {"7f9a0b9bf56332e19f5a0ec1ad9c1425a153da1c624868fda44561d6b74daf36", "size: a.out: bad magic"}, + {"b13f81b8aad9e3666879af19886140904f7f429ef083286195982a7588858cfc", "The major problem is with sendmail. -Mark Horton"}, + {"b26c38d61519e894480c70c8374ea35aa0ad05b2ae3d6674eec5f52a69305ed4", "Give me a rock, paper and scissors and I will move the world. CCFestoon"}, + {"049d5e26d4f10222cd841a119e38bd8d2e0d1129728688449575d4ff42b842c1", "If the enemy is within range, then so are you."}, + {"0e116838e3cc1c1a14cd045397e29b4d087aa11b0853fc69ec82e90330d60949", "It's well we cannot hear the screams/That we create in others' dreams."}, + {"4f7d8eb5bcf11de2a56b971021a444aa4eafd6ecd0f307b5109e4e776cd0fe46", "You remind me of a TV show, but that's all right: I watch it anyway."}, + {"61c0cc4c4bd8406d5120b3fb4ebc31ce87667c162f29468b3c779675a85aebce", "C is as portable as Stonehedge!!"}, + {"1fb2eb3688093c4a3f80cd87a5547e2ce940a4f923243a79a2a1e242220693ac", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"}, + {"395585ce30617b62c80b93e8208ce866d4edc811a177fdb4b82d3911d8696423", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule"}, + {"4f9b189a13d030838269dce846b16a1ce9ce81fe63e65de2f636863336a98fe6", "How can you write a big system without C++? -Paul Glick"}, +} + +var golden224 = []sha256Test{ + {"d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f", ""}, + {"abd37534c7d9a2efb9465de931cd7055ffdb8879563ae98078d6d6d5", "a"}, + {"db3cda86d4429a1d39c148989566b38f7bda0156296bd364ba2f878b", "ab"}, + {"23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7", "abc"}, + {"a76654d8e3550e9a2d67a0eeb6c67b220e5885eddd3fde135806e601", "abcd"}, + {"bdd03d560993e675516ba5a50638b6531ac2ac3d5847c61916cfced6", "abcde"}, + {"7043631cb415556a275a4ebecb802c74ee9f6153908e1792a90b6a98", "abcdef"}, + {"d1884e711701ad81abe0c77a3b0ea12e19ba9af64077286c72fc602d", "abcdefg"}, + {"17eb7d40f0356f8598e89eafad5f6c759b1f822975d9c9b737c8a517", "abcdefgh"}, + {"aeb35915346c584db820d2de7af3929ffafef9222a9bcb26516c7334", "abcdefghi"}, + {"d35e1e5af29ddb0d7e154357df4ad9842afee527c689ee547f753188", "abcdefghij"}, + {"19297f1cef7ddc8a7e947f5c5a341e10f7245045e425db67043988d7", "Discard medicine more than two years old."}, + {"0f10c2eb436251f777fbbd125e260d36aecf180411726c7c885f599a", "He who has a shady past knows that nice guys finish last."}, + {"4d1842104919f314cad8a3cd20b3cba7e8ed3e7abed62b57441358f6", "I wouldn't marry him with a ten foot pole."}, + {"a8ba85c6fe0c48fbffc72bbb2f03fcdbc87ae2dc7a56804d1590fb3b", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"}, + {"5543fbab26e67e8885b1a852d567d1cb8b9bfe42e0899584c50449a9", "The days of the digital watch are numbered. -Tom Stoppard"}, + {"65ca107390f5da9efa05d28e57b221657edc7e43a9a18fb15b053ddb", "Nepal premier won't resign."}, + {"84953962be366305a9cc9b5cd16ed019edc37ac96c0deb3e12cca116", "For every action there is an equal and opposite government program."}, + {"35a189ce987151dfd00b3577583cc6a74b9869eecf894459cb52038d", "His money is twice tainted: 'taint yours and 'taint mine."}, + {"2fc333713983edfd4ef2c0da6fb6d6415afb94987c91e4069eb063e6", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"}, + {"cbe32d38d577a1b355960a4bc3c659c2dc4670859a19777a875842c4", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"}, + {"a2dc118ce959e027576413a7b440c875cdc8d40df9141d6ef78a57e1", "size: a.out: bad magic"}, + {"d10787e24052bcff26dc484787a54ed819e4e4511c54890ee977bf81", "The major problem is with sendmail. -Mark Horton"}, + {"62efcf16ab8a893acdf2f348aaf06b63039ff1bf55508c830532c9fb", "Give me a rock, paper and scissors and I will move the world. CCFestoon"}, + {"3e9b7e4613c59f58665104c5fa86c272db5d3a2ff30df5bb194a5c99", "If the enemy is within range, then so are you."}, + {"5999c208b8bdf6d471bb7c359ac5b829e73a8211dff686143a4e7f18", "It's well we cannot hear the screams/That we create in others' dreams."}, + {"3b2d67ff54eabc4ef737b14edf87c64280ef582bcdf2a6d56908b405", "You remind me of a TV show, but that's all right: I watch it anyway."}, + {"d0733595d20e4d3d6b5c565a445814d1bbb2fd08b9a3b8ffb97930c6", "C is as portable as Stonehedge!!"}, + {"43fb8aeed8a833175c9295c1165415f98c866ef08a4922959d673507", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"}, + {"ec18e66e93afc4fb1604bc2baedbfd20b44c43d76e65c0996d7851c6", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule"}, + {"86ed2eaa9c75ba98396e5c9fb2f679ecf0ea2ed1e0ee9ceecb4a9332", "How can you write a big system without C++? -Paul Glick"}, +} + +func TestGolden(t *testing.T) { + for i := 0; i < len(golden); i++ { + g := golden[i] + c := New() + for j := 0; j < 3; j++ { + if j < 2 { + io.WriteString(c, g.in) + } else { + io.WriteString(c, g.in[0:len(g.in)/2]) + c.Sum(nil) + io.WriteString(c, g.in[len(g.in)/2:]) + } + s := fmt.Sprintf("%x", c.Sum(nil)) + if s != g.out { + t.Fatalf("sha256[%d](%s) = %s want %s", j, g.in, s, g.out) + } + c.Reset() + } + } + for i := 0; i < len(golden224); i++ { + g := golden224[i] + c := New224() + for j := 0; j < 3; j++ { + if j < 2 { + io.WriteString(c, g.in) + } else { + io.WriteString(c, g.in[0:len(g.in)/2]) + c.Sum(nil) + io.WriteString(c, g.in[len(g.in)/2:]) + } + s := fmt.Sprintf("%x", c.Sum(nil)) + if s != g.out { + t.Fatalf("sha224[%d](%s) = %s want %s", j, g.in, s, g.out) + } + c.Reset() + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/sha256/sha256block.go b/gcc-4.7/libgo/go/crypto/sha256/sha256block.go new file mode 100644 index 000000000..7b0f55444 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/sha256/sha256block.go @@ -0,0 +1,129 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// SHA256 block step. +// In its own file so that a faster assembly or C version +// can be substituted easily. + +package sha256 + +var _K = []uint32{ + 0x428a2f98, + 0x71374491, + 0xb5c0fbcf, + 0xe9b5dba5, + 0x3956c25b, + 0x59f111f1, + 0x923f82a4, + 0xab1c5ed5, + 0xd807aa98, + 0x12835b01, + 0x243185be, + 0x550c7dc3, + 0x72be5d74, + 0x80deb1fe, + 0x9bdc06a7, + 0xc19bf174, + 0xe49b69c1, + 0xefbe4786, + 0x0fc19dc6, + 0x240ca1cc, + 0x2de92c6f, + 0x4a7484aa, + 0x5cb0a9dc, + 0x76f988da, + 0x983e5152, + 0xa831c66d, + 0xb00327c8, + 0xbf597fc7, + 0xc6e00bf3, + 0xd5a79147, + 0x06ca6351, + 0x14292967, + 0x27b70a85, + 0x2e1b2138, + 0x4d2c6dfc, + 0x53380d13, + 0x650a7354, + 0x766a0abb, + 0x81c2c92e, + 0x92722c85, + 0xa2bfe8a1, + 0xa81a664b, + 0xc24b8b70, + 0xc76c51a3, + 0xd192e819, + 0xd6990624, + 0xf40e3585, + 0x106aa070, + 0x19a4c116, + 0x1e376c08, + 0x2748774c, + 0x34b0bcb5, + 0x391c0cb3, + 0x4ed8aa4a, + 0x5b9cca4f, + 0x682e6ff3, + 0x748f82ee, + 0x78a5636f, + 0x84c87814, + 0x8cc70208, + 0x90befffa, + 0xa4506ceb, + 0xbef9a3f7, + 0xc67178f2, +} + +func _Block(dig *digest, p []byte) int { + var w [64]uint32 + n := 0 + h0, h1, h2, h3, h4, h5, h6, h7 := dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7] + for len(p) >= _Chunk { + // Can interlace the computation of w with the + // rounds below if needed for speed. + for i := 0; i < 16; i++ { + j := i * 4 + w[i] = uint32(p[j])<<24 | uint32(p[j+1])<<16 | uint32(p[j+2])<<8 | uint32(p[j+3]) + } + for i := 16; i < 64; i++ { + t1 := (w[i-2]>>17 | w[i-2]<<(32-17)) ^ (w[i-2]>>19 | w[i-2]<<(32-19)) ^ (w[i-2] >> 10) + + t2 := (w[i-15]>>7 | w[i-15]<<(32-7)) ^ (w[i-15]>>18 | w[i-15]<<(32-18)) ^ (w[i-15] >> 3) + + w[i] = t1 + w[i-7] + t2 + w[i-16] + } + + a, b, c, d, e, f, g, h := h0, h1, h2, h3, h4, h5, h6, h7 + + for i := 0; i < 64; i++ { + t1 := h + ((e>>6 | e<<(32-6)) ^ (e>>11 | e<<(32-11)) ^ (e>>25 | e<<(32-25))) + ((e & f) ^ (^e & g)) + _K[i] + w[i] + + t2 := ((a>>2 | a<<(32-2)) ^ (a>>13 | a<<(32-13)) ^ (a>>22 | a<<(32-22))) + ((a & b) ^ (a & c) ^ (b & c)) + + h = g + g = f + f = e + e = d + t1 + d = c + c = b + b = a + a = t1 + t2 + } + + h0 += a + h1 += b + h2 += c + h3 += d + h4 += e + h5 += f + h6 += g + h7 += h + + p = p[_Chunk:] + n += _Chunk + } + + dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7] = h0, h1, h2, h3, h4, h5, h6, h7 + return n +} diff --git a/gcc-4.7/libgo/go/crypto/sha512/sha512.go b/gcc-4.7/libgo/go/crypto/sha512/sha512.go new file mode 100644 index 000000000..a245fd68e --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/sha512/sha512.go @@ -0,0 +1,177 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package sha512 implements the SHA384 and SHA512 hash algorithms as defined +// in FIPS 180-2. +package sha512 + +import ( + "crypto" + "hash" +) + +func init() { + crypto.RegisterHash(crypto.SHA384, New384) + crypto.RegisterHash(crypto.SHA512, New) +} + +// The size of a SHA512 checksum in bytes. +const Size = 64 + +// The size of a SHA384 checksum in bytes. +const Size384 = 48 + +// The blocksize of SHA512 and SHA384 in bytes. +const BlockSize = 128 + +const ( + _Chunk = 128 + _Init0 = 0x6a09e667f3bcc908 + _Init1 = 0xbb67ae8584caa73b + _Init2 = 0x3c6ef372fe94f82b + _Init3 = 0xa54ff53a5f1d36f1 + _Init4 = 0x510e527fade682d1 + _Init5 = 0x9b05688c2b3e6c1f + _Init6 = 0x1f83d9abfb41bd6b + _Init7 = 0x5be0cd19137e2179 + _Init0_384 = 0xcbbb9d5dc1059ed8 + _Init1_384 = 0x629a292a367cd507 + _Init2_384 = 0x9159015a3070dd17 + _Init3_384 = 0x152fecd8f70e5939 + _Init4_384 = 0x67332667ffc00b31 + _Init5_384 = 0x8eb44a8768581511 + _Init6_384 = 0xdb0c2e0d64f98fa7 + _Init7_384 = 0x47b5481dbefa4fa4 +) + +// digest represents the partial evaluation of a checksum. +type digest struct { + h [8]uint64 + x [_Chunk]byte + nx int + len uint64 + is384 bool // mark if this digest is SHA-384 +} + +func (d *digest) Reset() { + if !d.is384 { + d.h[0] = _Init0 + d.h[1] = _Init1 + d.h[2] = _Init2 + d.h[3] = _Init3 + d.h[4] = _Init4 + d.h[5] = _Init5 + d.h[6] = _Init6 + d.h[7] = _Init7 + } else { + d.h[0] = _Init0_384 + d.h[1] = _Init1_384 + d.h[2] = _Init2_384 + d.h[3] = _Init3_384 + d.h[4] = _Init4_384 + d.h[5] = _Init5_384 + d.h[6] = _Init6_384 + d.h[7] = _Init7_384 + } + d.nx = 0 + d.len = 0 +} + +// New returns a new hash.Hash computing the SHA512 checksum. +func New() hash.Hash { + d := new(digest) + d.Reset() + return d +} + +// New384 returns a new hash.Hash computing the SHA384 checksum. +func New384() hash.Hash { + d := new(digest) + d.is384 = true + d.Reset() + return d +} + +func (d *digest) Size() int { + if !d.is384 { + return Size + } + return Size384 +} + +func (d *digest) BlockSize() int { return BlockSize } + +func (d *digest) Write(p []byte) (nn int, err error) { + nn = len(p) + d.len += uint64(nn) + if d.nx > 0 { + n := len(p) + if n > _Chunk-d.nx { + n = _Chunk - d.nx + } + for i := 0; i < n; i++ { + d.x[d.nx+i] = p[i] + } + d.nx += n + if d.nx == _Chunk { + _Block(d, d.x[0:]) + d.nx = 0 + } + p = p[n:] + } + n := _Block(d, p) + p = p[n:] + if len(p) > 0 { + d.nx = copy(d.x[:], p) + } + return +} + +func (d0 *digest) Sum(in []byte) []byte { + // Make a copy of d0 so that caller can keep writing and summing. + d := new(digest) + *d = *d0 + + // Padding. Add a 1 bit and 0 bits until 112 bytes mod 128. + len := d.len + var tmp [128]byte + tmp[0] = 0x80 + if len%128 < 112 { + d.Write(tmp[0 : 112-len%128]) + } else { + d.Write(tmp[0 : 128+112-len%128]) + } + + // Length in bits. + len <<= 3 + for i := uint(0); i < 16; i++ { + tmp[i] = byte(len >> (120 - 8*i)) + } + d.Write(tmp[0:16]) + + if d.nx != 0 { + panic("d.nx != 0") + } + + h := d.h[:] + size := Size + if d.is384 { + h = d.h[:6] + size = Size384 + } + + var digest [Size]byte + for i, s := range h { + digest[i*8] = byte(s >> 56) + digest[i*8+1] = byte(s >> 48) + digest[i*8+2] = byte(s >> 40) + digest[i*8+3] = byte(s >> 32) + digest[i*8+4] = byte(s >> 24) + digest[i*8+5] = byte(s >> 16) + digest[i*8+6] = byte(s >> 8) + digest[i*8+7] = byte(s) + } + + return append(in, digest[:size]...) +} diff --git a/gcc-4.7/libgo/go/crypto/sha512/sha512_test.go b/gcc-4.7/libgo/go/crypto/sha512/sha512_test.go new file mode 100644 index 000000000..a70f7c54e --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/sha512/sha512_test.go @@ -0,0 +1,125 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// SHA512 hash algorithm. See FIPS 180-2. + +package sha512 + +import ( + "fmt" + "io" + "testing" +) + +type sha512Test struct { + out string + in string +} + +var golden = []sha512Test{ + {"cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e", ""}, + {"1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75", "a"}, + {"2d408a0717ec188158278a796c689044361dc6fdde28d6f04973b80896e1823975cdbf12eb63f9e0591328ee235d80e9b5bf1aa6a44f4617ff3caf6400eb172d", "ab"}, + {"ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f", "abc"}, + {"d8022f2060ad6efd297ab73dcc5355c9b214054b0d1776a136a669d26a7d3b14f73aa0d0ebff19ee333368f0164b6419a96da49e3e481753e7e96b716bdccb6f", "abcd"}, + {"878ae65a92e86cac011a570d4c30a7eaec442b85ce8eca0c2952b5e3cc0628c2e79d889ad4d5c7c626986d452dd86374b6ffaa7cd8b67665bef2289a5c70b0a1", "abcde"}, + {"e32ef19623e8ed9d267f657a81944b3d07adbb768518068e88435745564e8d4150a0a703be2a7d88b61e3d390c2bb97e2d4c311fdc69d6b1267f05f59aa920e7", "abcdef"}, + {"d716a4188569b68ab1b6dfac178e570114cdf0ea3a1cc0e31486c3e41241bc6a76424e8c37ab26f096fc85ef9886c8cb634187f4fddff645fb099f1ff54c6b8c", "abcdefg"}, + {"a3a8c81bc97c2560010d7389bc88aac974a104e0e2381220c6e084c4dccd1d2d17d4f86db31c2a851dc80e6681d74733c55dcd03dd96f6062cdda12a291ae6ce", "abcdefgh"}, + {"f22d51d25292ca1d0f68f69aedc7897019308cc9db46efb75a03dd494fc7f126c010e8ade6a00a0c1a5f1b75d81e0ed5a93ce98dc9b833db7839247b1d9c24fe", "abcdefghi"}, + {"ef6b97321f34b1fea2169a7db9e1960b471aa13302a988087357c520be957ca119c3ba68e6b4982c019ec89de3865ccf6a3cda1fe11e59f98d99f1502c8b9745", "abcdefghij"}, + {"2210d99af9c8bdecda1b4beff822136753d8342505ddce37f1314e2cdbb488c6016bdaa9bd2ffa513dd5de2e4b50f031393d8ab61f773b0e0130d7381e0f8a1d", "Discard medicine more than two years old."}, + {"a687a8985b4d8d0a24f115fe272255c6afaf3909225838546159c1ed685c211a203796ae8ecc4c81a5b6315919b3a64f10713da07e341fcdbb08541bf03066ce", "He who has a shady past knows that nice guys finish last."}, + {"8ddb0392e818b7d585ab22769a50df660d9f6d559cca3afc5691b8ca91b8451374e42bcdabd64589ed7c91d85f626596228a5c8572677eb98bc6b624befb7af8", "I wouldn't marry him with a ten foot pole."}, + {"26ed8f6ca7f8d44b6a8a54ae39640fa8ad5c673f70ee9ce074ba4ef0d483eea00bab2f61d8695d6b34df9c6c48ae36246362200ed820448bdc03a720366a87c6", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"}, + {"e5a14bf044be69615aade89afcf1ab0389d5fc302a884d403579d1386a2400c089b0dbb387ed0f463f9ee342f8244d5a38cfbc0e819da9529fbff78368c9a982", "The days of the digital watch are numbered. -Tom Stoppard"}, + {"420a1faa48919e14651bed45725abe0f7a58e0f099424c4e5a49194946e38b46c1f8034b18ef169b2e31050d1648e0b982386595f7df47da4b6fd18e55333015", "Nepal premier won't resign."}, + {"d926a863beadb20134db07683535c72007b0e695045876254f341ddcccde132a908c5af57baa6a6a9c63e6649bba0c213dc05fadcf9abccea09f23dcfb637fbe", "For every action there is an equal and opposite government program."}, + {"9a98dd9bb67d0da7bf83da5313dff4fd60a4bac0094f1b05633690ffa7f6d61de9a1d4f8617937d560833a9aaa9ccafe3fd24db418d0e728833545cadd3ad92d", "His money is twice tainted: 'taint yours and 'taint mine."}, + {"d7fde2d2351efade52f4211d3746a0780a26eec3df9b2ed575368a8a1c09ec452402293a8ea4eceb5a4f60064ea29b13cdd86918cd7a4faf366160b009804107", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"}, + {"b0f35ffa2697359c33a56f5c0cf715c7aeed96da9905ca2698acadb08fbc9e669bf566b6bd5d61a3e86dc22999bcc9f2224e33d1d4f32a228cf9d0349e2db518", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"}, + {"3d2e5f91778c9e66f7e061293aaa8a8fc742dd3b2e4f483772464b1144189b49273e610e5cccd7a81a19ca1fa70f16b10f1a100a4d8c1372336be8484c64b311", "size: a.out: bad magic"}, + {"b2f68ff58ac015efb1c94c908b0d8c2bf06f491e4de8e6302c49016f7f8a33eac3e959856c7fddbc464de618701338a4b46f76dbfaf9a1e5262b5f40639771c7", "The major problem is with sendmail. -Mark Horton"}, + {"d8c92db5fdf52cf8215e4df3b4909d29203ff4d00e9ad0b64a6a4e04dec5e74f62e7c35c7fb881bd5de95442123df8f57a489b0ae616bd326f84d10021121c57", "Give me a rock, paper and scissors and I will move the world. CCFestoon"}, + {"19a9f8dc0a233e464e8566ad3ca9b91e459a7b8c4780985b015776e1bf239a19bc233d0556343e2b0a9bc220900b4ebf4f8bdf89ff8efeaf79602d6849e6f72e", "If the enemy is within range, then so are you."}, + {"00b4c41f307bde87301cdc5b5ab1ae9a592e8ecbb2021dd7bc4b34e2ace60741cc362560bec566ba35178595a91932b8d5357e2c9cec92d393b0fa7831852476", "It's well we cannot hear the screams/That we create in others' dreams."}, + {"91eccc3d5375fd026e4d6787874b1dce201cecd8a27dbded5065728cb2d09c58a3d467bb1faf353bf7ba567e005245d5321b55bc344f7c07b91cb6f26c959be7", "You remind me of a TV show, but that's all right: I watch it anyway."}, + {"fabbbe22180f1f137cfdc9556d2570e775d1ae02a597ded43a72a40f9b485d500043b7be128fb9fcd982b83159a0d99aa855a9e7cc4240c00dc01a9bdf8218d7", "C is as portable as Stonehedge!!"}, + {"2ecdec235c1fa4fc2a154d8fba1dddb8a72a1ad73838b51d792331d143f8b96a9f6fcb0f34d7caa351fe6d88771c4f105040e0392f06e0621689d33b2f3ba92e", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"}, + {"7ad681f6f96f82f7abfa7ecc0334e8fa16d3dc1cdc45b60b7af43fe4075d2357c0c1d60e98350f1afb1f2fe7a4d7cd2ad55b88e458e06b73c40b437331f5dab4", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule"}, + {"833f9248ab4a3b9e5131f745fda1ffd2dd435b30e965957e78291c7ab73605fd1912b0794e5c233ab0a12d205a39778d19b83515d6a47003f19cdee51d98c7e0", "How can you write a big system without C++? -Paul Glick"}, +} + +var golden384 = []sha512Test{ + {"38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b", ""}, + {"54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31", "a"}, + {"c7be03ba5bcaa384727076db0018e99248e1a6e8bd1b9ef58a9ec9dd4eeebb3f48b836201221175befa74ddc3d35afdd", "ab"}, + {"cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7", "abc"}, + {"1165b3406ff0b52a3d24721f785462ca2276c9f454a116c2b2ba20171a7905ea5a026682eb659c4d5f115c363aa3c79b", "abcd"}, + {"4c525cbeac729eaf4b4665815bc5db0c84fe6300068a727cf74e2813521565abc0ec57a37ee4d8be89d097c0d2ad52f0", "abcde"}, + {"c6a4c65b227e7387b9c3e839d44869c4cfca3ef583dea64117859b808c1e3d8ae689e1e314eeef52a6ffe22681aa11f5", "abcdef"}, + {"9f11fc131123f844c1226f429b6a0a6af0525d9f40f056c7fc16cdf1b06bda08e302554417a59fa7dcf6247421959d22", "abcdefg"}, + {"9000cd7cada59d1d2eb82912f7f24e5e69cc5517f68283b005fa27c285b61e05edf1ad1a8a9bded6fd29eb87d75ad806", "abcdefgh"}, + {"ef54915b60cf062b8dd0c29ae3cad69abe6310de63ac081f46ef019c5c90897caefd79b796cfa81139788a260ded52df", "abcdefghi"}, + {"a12070030a02d86b0ddacd0d3a5b598344513d0a051e7355053e556a0055489c1555399b03342845c4adde2dc44ff66c", "abcdefghij"}, + {"86f58ec2d74d1b7f8eb0c2ff0967316699639e8d4eb129de54bdf34c96cdbabe200d052149f2dd787f43571ba74670d4", "Discard medicine more than two years old."}, + {"ae4a2b639ca9bfa04b1855d5a05fe7f230994f790891c6979103e2605f660c4c1262a48142dcbeb57a1914ba5f7c3fa7", "He who has a shady past knows that nice guys finish last."}, + {"40ae213df6436eca952aa6841886fcdb82908ef1576a99c8f49bb9dd5023169f7c53035abdda0b54c302f4974e2105e7", "I wouldn't marry him with a ten foot pole."}, + {"e7cf8b873c9bc950f06259aa54309f349cefa72c00d597aebf903e6519a50011dfe355afff064a10701c705693848df9", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"}, + {"c3d4f0f4047181c7d39d34703365f7bf70207183caf2c2f6145f04da895ef69124d9cdeb635da636c3a474e61024e29b", "The days of the digital watch are numbered. -Tom Stoppard"}, + {"a097aab567e167d5cf93676ed73252a69f9687cb3179bb2d27c9878119e94bf7b7c4b58dc90582edfaf66e11388ed714", "Nepal premier won't resign."}, + {"5026ca45c41fc64712eb65065da92f6467541c78f8966d3fe2c8e3fb769a3ec14215f819654b47bd64f7f0eac17184f3", "For every action there is an equal and opposite government program."}, + {"ac1cc0f5ac8d5f5514a7b738ac322b7fb52a161b449c3672e9b6a6ad1a5e4b26b001cf3bad24c56598676ca17d4b445a", "His money is twice tainted: 'taint yours and 'taint mine."}, + {"722d10c5de371ec0c8c4b5247ac8a5f1d240d68c73f8da13d8b25f0166d6f309bf9561979a111a0049405771d201941a", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"}, + {"dc2d3ea18bfa10549c63bf2b75b39b5167a80c12aff0e05443168ea87ff149fb0eda5e0bd234eb5d48c7d02ffc5807f1", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"}, + {"1d67c969e2a945ae5346d2139760261504d4ba164c522443afe19ef3e29b152a4c52445489cfc9d7215e5a450e8e1e4e", "size: a.out: bad magic"}, + {"5ff8e075e465646e7b73ef36d812c6e9f7d60fa6ea0e533e5569b4f73cde53cdd2cc787f33540af57cca3fe467d32fe0", "The major problem is with sendmail. -Mark Horton"}, + {"5bd0a997a67c9ae1979a894eb0cde403dde003c9b6f2c03cf21925c42ff4e1176e6df1ca005381612ef18457b9b7ec3b", "Give me a rock, paper and scissors and I will move the world. CCFestoon"}, + {"1eee6da33e7e54fc5be52ae23b94b16ba4d2a947ae4505c6a3edfc7401151ea5205ac01b669b56f27d8ef7f175ed7762", "If the enemy is within range, then so are you."}, + {"76b06e9dea66bfbb1a96029426dc0dfd7830bd297eb447ff5358d94a87cd00c88b59df2493fef56ecbb5231073892ea9", "It's well we cannot hear the screams/That we create in others' dreams."}, + {"12acaf21452cff586143e3f5db0bfdf7802c057e1adf2a619031c4e1b0ccc4208cf6cef8fe722bbaa2fb46a30d9135d8", "You remind me of a TV show, but that's all right: I watch it anyway."}, + {"0fc23d7f4183efd186f0bc4fc5db867e026e2146b06cb3d52f4bdbd57d1740122caa853b41868b197b2ac759db39df88", "C is as portable as Stonehedge!!"}, + {"bc805578a7f85d34a86a32976e1c34fe65cf815186fbef76f46ef99cda10723f971f3f1464d488243f5e29db7488598d", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"}, + {"b23918399a12ebf4431559eec3813eaf7412e875fd7464f16d581e473330842d2e96c6be49a7ce3f9bb0b8bc0fcbe0fe", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule"}, + {"1764b700eb1ead52a2fc33cc28975c2180f1b8faa5038d94cffa8d78154aab16e91dd787e7b0303948ebed62561542c8", "How can you write a big system without C++? -Paul Glick"}, +} + +func TestGolden(t *testing.T) { + for i := 0; i < len(golden); i++ { + g := golden[i] + c := New() + for j := 0; j < 3; j++ { + if j < 2 { + io.WriteString(c, g.in) + } else { + io.WriteString(c, g.in[0:len(g.in)/2]) + c.Sum(nil) + io.WriteString(c, g.in[len(g.in)/2:]) + } + s := fmt.Sprintf("%x", c.Sum(nil)) + if s != g.out { + t.Fatalf("sha512[%d](%s) = %s want %s", j, g.in, s, g.out) + } + c.Reset() + } + } + for i := 0; i < len(golden384); i++ { + g := golden384[i] + c := New384() + for j := 0; j < 3; j++ { + if j < 2 { + io.WriteString(c, g.in) + } else { + io.WriteString(c, g.in[0:len(g.in)/2]) + c.Sum(nil) + io.WriteString(c, g.in[len(g.in)/2:]) + } + s := fmt.Sprintf("%x", c.Sum(nil)) + if s != g.out { + t.Fatalf("sha384[%d](%s) = %s want %s", j, g.in, s, g.out) + } + c.Reset() + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/sha512/sha512block.go b/gcc-4.7/libgo/go/crypto/sha512/sha512block.go new file mode 100644 index 000000000..6b7506287 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/sha512/sha512block.go @@ -0,0 +1,144 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// SHA512 block step. +// In its own file so that a faster assembly or C version +// can be substituted easily. + +package sha512 + +var _K = []uint64{ + 0x428a2f98d728ae22, + 0x7137449123ef65cd, + 0xb5c0fbcfec4d3b2f, + 0xe9b5dba58189dbbc, + 0x3956c25bf348b538, + 0x59f111f1b605d019, + 0x923f82a4af194f9b, + 0xab1c5ed5da6d8118, + 0xd807aa98a3030242, + 0x12835b0145706fbe, + 0x243185be4ee4b28c, + 0x550c7dc3d5ffb4e2, + 0x72be5d74f27b896f, + 0x80deb1fe3b1696b1, + 0x9bdc06a725c71235, + 0xc19bf174cf692694, + 0xe49b69c19ef14ad2, + 0xefbe4786384f25e3, + 0x0fc19dc68b8cd5b5, + 0x240ca1cc77ac9c65, + 0x2de92c6f592b0275, + 0x4a7484aa6ea6e483, + 0x5cb0a9dcbd41fbd4, + 0x76f988da831153b5, + 0x983e5152ee66dfab, + 0xa831c66d2db43210, + 0xb00327c898fb213f, + 0xbf597fc7beef0ee4, + 0xc6e00bf33da88fc2, + 0xd5a79147930aa725, + 0x06ca6351e003826f, + 0x142929670a0e6e70, + 0x27b70a8546d22ffc, + 0x2e1b21385c26c926, + 0x4d2c6dfc5ac42aed, + 0x53380d139d95b3df, + 0x650a73548baf63de, + 0x766a0abb3c77b2a8, + 0x81c2c92e47edaee6, + 0x92722c851482353b, + 0xa2bfe8a14cf10364, + 0xa81a664bbc423001, + 0xc24b8b70d0f89791, + 0xc76c51a30654be30, + 0xd192e819d6ef5218, + 0xd69906245565a910, + 0xf40e35855771202a, + 0x106aa07032bbd1b8, + 0x19a4c116b8d2d0c8, + 0x1e376c085141ab53, + 0x2748774cdf8eeb99, + 0x34b0bcb5e19b48a8, + 0x391c0cb3c5c95a63, + 0x4ed8aa4ae3418acb, + 0x5b9cca4f7763e373, + 0x682e6ff3d6b2b8a3, + 0x748f82ee5defb2fc, + 0x78a5636f43172f60, + 0x84c87814a1f0ab72, + 0x8cc702081a6439ec, + 0x90befffa23631e28, + 0xa4506cebde82bde9, + 0xbef9a3f7b2c67915, + 0xc67178f2e372532b, + 0xca273eceea26619c, + 0xd186b8c721c0c207, + 0xeada7dd6cde0eb1e, + 0xf57d4f7fee6ed178, + 0x06f067aa72176fba, + 0x0a637dc5a2c898a6, + 0x113f9804bef90dae, + 0x1b710b35131c471b, + 0x28db77f523047d84, + 0x32caab7b40c72493, + 0x3c9ebe0a15c9bebc, + 0x431d67c49c100d4c, + 0x4cc5d4becb3e42b6, + 0x597f299cfc657e2a, + 0x5fcb6fab3ad6faec, + 0x6c44198c4a475817, +} + +func _Block(dig *digest, p []byte) int { + var w [80]uint64 + n := 0 + h0, h1, h2, h3, h4, h5, h6, h7 := dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7] + for len(p) >= _Chunk { + for i := 0; i < 16; i++ { + j := i * 8 + w[i] = uint64(p[j])<<56 | uint64(p[j+1])<<48 | uint64(p[j+2])<<40 | uint64(p[j+3])<<32 | + uint64(p[j+4])<<24 | uint64(p[j+5])<<16 | uint64(p[j+6])<<8 | uint64(p[j+7]) + } + for i := 16; i < 80; i++ { + t1 := (w[i-2]>>19 | w[i-2]<<(64-19)) ^ (w[i-2]>>61 | w[i-2]<<(64-61)) ^ (w[i-2] >> 6) + + t2 := (w[i-15]>>1 | w[i-15]<<(64-1)) ^ (w[i-15]>>8 | w[i-15]<<(64-8)) ^ (w[i-15] >> 7) + + w[i] = t1 + w[i-7] + t2 + w[i-16] + } + + a, b, c, d, e, f, g, h := h0, h1, h2, h3, h4, h5, h6, h7 + + for i := 0; i < 80; i++ { + t1 := h + ((e>>14 | e<<(64-14)) ^ (e>>18 | e<<(64-18)) ^ (e>>41 | e<<(64-41))) + ((e & f) ^ (^e & g)) + _K[i] + w[i] + + t2 := ((a>>28 | a<<(64-28)) ^ (a>>34 | a<<(64-34)) ^ (a>>39 | a<<(64-39))) + ((a & b) ^ (a & c) ^ (b & c)) + + h = g + g = f + f = e + e = d + t1 + d = c + c = b + b = a + a = t1 + t2 + } + + h0 += a + h1 += b + h2 += c + h3 += d + h4 += e + h5 += f + h6 += g + h7 += h + + p = p[_Chunk:] + n += _Chunk + } + + dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7] = h0, h1, h2, h3, h4, h5, h6, h7 + return n +} diff --git a/gcc-4.7/libgo/go/crypto/subtle/constant_time.go b/gcc-4.7/libgo/go/crypto/subtle/constant_time.go new file mode 100644 index 000000000..57dbe9db5 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/subtle/constant_time.go @@ -0,0 +1,57 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package subtle implements functions that are often useful in cryptographic +// code but require careful thought to use correctly. +package subtle + +// ConstantTimeCompare returns 1 iff the two equal length slices, x +// and y, have equal contents. The time taken is a function of the length of +// the slices and is independent of the contents. +func ConstantTimeCompare(x, y []byte) int { + var v byte + + for i := 0; i < len(x); i++ { + v |= x[i] ^ y[i] + } + + return ConstantTimeByteEq(v, 0) +} + +// ConstantTimeSelect returns x if v is 1 and y if v is 0. +// Its behavior is undefined if v takes any other value. +func ConstantTimeSelect(v, x, y int) int { return ^(v-1)&x | (v-1)&y } + +// ConstantTimeByteEq returns 1 if x == y and 0 otherwise. +func ConstantTimeByteEq(x, y uint8) int { + z := ^(x ^ y) + z &= z >> 4 + z &= z >> 2 + z &= z >> 1 + + return int(z) +} + +// ConstantTimeEq returns 1 if x == y and 0 otherwise. +func ConstantTimeEq(x, y int32) int { + z := ^(x ^ y) + z &= z >> 16 + z &= z >> 8 + z &= z >> 4 + z &= z >> 2 + z &= z >> 1 + + return int(z & 1) +} + +// ConstantTimeCopy copies the contents of y into x iff v == 1. If v == 0, x is left unchanged. +// Its behavior is undefined if v takes any other value. +func ConstantTimeCopy(v int, x, y []byte) { + xmask := byte(v - 1) + ymask := byte(^(v - 1)) + for i := 0; i < len(x); i++ { + x[i] = x[i]&xmask | y[i]&ymask + } + return +} diff --git a/gcc-4.7/libgo/go/crypto/subtle/constant_time_test.go b/gcc-4.7/libgo/go/crypto/subtle/constant_time_test.go new file mode 100644 index 000000000..adab8e2e8 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/subtle/constant_time_test.go @@ -0,0 +1,105 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package subtle + +import ( + "testing" + "testing/quick" +) + +type TestConstantTimeCompareStruct struct { + a, b []byte + out int +} + +var testConstantTimeCompareData = []TestConstantTimeCompareStruct{ + {[]byte{}, []byte{}, 1}, + {[]byte{0x11}, []byte{0x11}, 1}, + {[]byte{0x12}, []byte{0x11}, 0}, +} + +func TestConstantTimeCompare(t *testing.T) { + for i, test := range testConstantTimeCompareData { + if r := ConstantTimeCompare(test.a, test.b); r != test.out { + t.Errorf("#%d bad result (got %x, want %x)", i, r, test.out) + } + } +} + +type TestConstantTimeByteEqStruct struct { + a, b uint8 + out int +} + +var testConstandTimeByteEqData = []TestConstantTimeByteEqStruct{ + {0, 0, 1}, + {0, 1, 0}, + {1, 0, 0}, + {0xff, 0xff, 1}, + {0xff, 0xfe, 0}, +} + +func byteEq(a, b uint8) int { + if a == b { + return 1 + } + return 0 +} + +func TestConstantTimeByteEq(t *testing.T) { + for i, test := range testConstandTimeByteEqData { + if r := ConstantTimeByteEq(test.a, test.b); r != test.out { + t.Errorf("#%d bad result (got %x, want %x)", i, r, test.out) + } + } + err := quick.CheckEqual(ConstantTimeByteEq, byteEq, nil) + if err != nil { + t.Error(err) + } +} + +func eq(a, b int32) int { + if a == b { + return 1 + } + return 0 +} + +func TestConstantTimeEq(t *testing.T) { + err := quick.CheckEqual(ConstantTimeEq, eq, nil) + if err != nil { + t.Error(err) + } +} + +func makeCopy(v int, x, y []byte) []byte { + if len(x) > len(y) { + x = x[0:len(y)] + } else { + y = y[0:len(x)] + } + if v == 1 { + copy(x, y) + } + return x +} + +func constantTimeCopyWrapper(v int, x, y []byte) []byte { + if len(x) > len(y) { + x = x[0:len(y)] + } else { + y = y[0:len(x)] + } + v &= 1 + ConstantTimeCopy(v, x, y) + return x +} + +func TestConstantTimeCopy(t *testing.T) { + err := quick.CheckEqual(constantTimeCopyWrapper, makeCopy, nil) + if err != nil { + t.Error(err) + } +} diff --git a/gcc-4.7/libgo/go/crypto/tls/alert.go b/gcc-4.7/libgo/go/crypto/tls/alert.go new file mode 100644 index 000000000..0856311e4 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/alert.go @@ -0,0 +1,77 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import "strconv" + +type alert uint8 + +const ( + // alert level + alertLevelWarning = 1 + alertLevelError = 2 +) + +const ( + alertCloseNotify alert = 0 + alertUnexpectedMessage alert = 10 + alertBadRecordMAC alert = 20 + alertDecryptionFailed alert = 21 + alertRecordOverflow alert = 22 + alertDecompressionFailure alert = 30 + alertHandshakeFailure alert = 40 + alertBadCertificate alert = 42 + alertUnsupportedCertificate alert = 43 + alertCertificateRevoked alert = 44 + alertCertificateExpired alert = 45 + alertCertificateUnknown alert = 46 + alertIllegalParameter alert = 47 + alertUnknownCA alert = 48 + alertAccessDenied alert = 49 + alertDecodeError alert = 50 + alertDecryptError alert = 51 + alertProtocolVersion alert = 70 + alertInsufficientSecurity alert = 71 + alertInternalError alert = 80 + alertUserCanceled alert = 90 + alertNoRenegotiation alert = 100 +) + +var alertText = map[alert]string{ + alertCloseNotify: "close notify", + alertUnexpectedMessage: "unexpected message", + alertBadRecordMAC: "bad record MAC", + alertDecryptionFailed: "decryption failed", + alertRecordOverflow: "record overflow", + alertDecompressionFailure: "decompression failure", + alertHandshakeFailure: "handshake failure", + alertBadCertificate: "bad certificate", + alertUnsupportedCertificate: "unsupported certificate", + alertCertificateRevoked: "revoked certificate", + alertCertificateExpired: "expired certificate", + alertCertificateUnknown: "unknown certificate", + alertIllegalParameter: "illegal parameter", + alertUnknownCA: "unknown certificate authority", + alertAccessDenied: "access denied", + alertDecodeError: "error decoding message", + alertDecryptError: "error decrypting message", + alertProtocolVersion: "protocol version not supported", + alertInsufficientSecurity: "insufficient security level", + alertInternalError: "internal error", + alertUserCanceled: "user canceled", + alertNoRenegotiation: "no renegotiation", +} + +func (e alert) String() string { + s, ok := alertText[e] + if ok { + return s + } + return "alert(" + strconv.Itoa(int(e)) + ")" +} + +func (e alert) Error() string { + return e.String() +} diff --git a/gcc-4.7/libgo/go/crypto/tls/cipher_suites.go b/gcc-4.7/libgo/go/crypto/tls/cipher_suites.go new file mode 100644 index 000000000..5039f319f --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/cipher_suites.go @@ -0,0 +1,188 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "crypto/aes" + "crypto/cipher" + "crypto/des" + "crypto/hmac" + "crypto/rc4" + "crypto/sha1" + "crypto/x509" + "hash" +) + +// a keyAgreement implements the client and server side of a TLS key agreement +// protocol by generating and processing key exchange messages. +type keyAgreement interface { + // On the server side, the first two methods are called in order. + + // In the case that the key agreement protocol doesn't use a + // ServerKeyExchange message, generateServerKeyExchange can return nil, + // nil. + generateServerKeyExchange(*Config, *Certificate, *clientHelloMsg, *serverHelloMsg) (*serverKeyExchangeMsg, error) + processClientKeyExchange(*Config, *Certificate, *clientKeyExchangeMsg, uint16) ([]byte, error) + + // On the client side, the next two methods are called in order. + + // This method may not be called if the server doesn't send a + // ServerKeyExchange message. + processServerKeyExchange(*Config, *clientHelloMsg, *serverHelloMsg, *x509.Certificate, *serverKeyExchangeMsg) error + generateClientKeyExchange(*Config, *clientHelloMsg, *x509.Certificate) ([]byte, *clientKeyExchangeMsg, error) +} + +// A cipherSuite is a specific combination of key agreement, cipher and MAC +// function. All cipher suites currently assume RSA key agreement. +type cipherSuite struct { + id uint16 + // the lengths, in bytes, of the key material needed for each component. + keyLen int + macLen int + ivLen int + ka func() keyAgreement + // If elliptic is set, a server will only consider this ciphersuite if + // the ClientHello indicated that the client supports an elliptic curve + // and point format that we can handle. + elliptic bool + cipher func(key, iv []byte, isRead bool) interface{} + mac func(version uint16, macKey []byte) macFunction +} + +var cipherSuites = []*cipherSuite{ + {TLS_RSA_WITH_RC4_128_SHA, 16, 20, 0, rsaKA, false, cipherRC4, macSHA1}, + {TLS_RSA_WITH_3DES_EDE_CBC_SHA, 24, 20, 8, rsaKA, false, cipher3DES, macSHA1}, + {TLS_RSA_WITH_AES_128_CBC_SHA, 16, 20, 16, rsaKA, false, cipherAES, macSHA1}, + {TLS_ECDHE_RSA_WITH_RC4_128_SHA, 16, 20, 0, ecdheRSAKA, true, cipherRC4, macSHA1}, + {TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, 24, 20, 8, ecdheRSAKA, true, cipher3DES, macSHA1}, + {TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, 16, 20, 16, ecdheRSAKA, true, cipherAES, macSHA1}, +} + +func cipherRC4(key, iv []byte, isRead bool) interface{} { + cipher, _ := rc4.NewCipher(key) + return cipher +} + +func cipher3DES(key, iv []byte, isRead bool) interface{} { + block, _ := des.NewTripleDESCipher(key) + if isRead { + return cipher.NewCBCDecrypter(block, iv) + } + return cipher.NewCBCEncrypter(block, iv) +} + +func cipherAES(key, iv []byte, isRead bool) interface{} { + block, _ := aes.NewCipher(key) + if isRead { + return cipher.NewCBCDecrypter(block, iv) + } + return cipher.NewCBCEncrypter(block, iv) +} + +// macSHA1 returns a macFunction for the given protocol version. +func macSHA1(version uint16, key []byte) macFunction { + if version == versionSSL30 { + mac := ssl30MAC{ + h: sha1.New(), + key: make([]byte, len(key)), + } + copy(mac.key, key) + return mac + } + return tls10MAC{hmac.New(sha1.New, key)} +} + +type macFunction interface { + Size() int + MAC(digestBuf, seq, data []byte) []byte +} + +// ssl30MAC implements the SSLv3 MAC function, as defined in +// www.mozilla.org/projects/security/pki/nss/ssl/draft302.txt section 5.2.3.1 +type ssl30MAC struct { + h hash.Hash + key []byte +} + +func (s ssl30MAC) Size() int { + return s.h.Size() +} + +var ssl30Pad1 = [48]byte{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36} + +var ssl30Pad2 = [48]byte{0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c} + +func (s ssl30MAC) MAC(digestBuf, seq, record []byte) []byte { + padLength := 48 + if s.h.Size() == 20 { + padLength = 40 + } + + s.h.Reset() + s.h.Write(s.key) + s.h.Write(ssl30Pad1[:padLength]) + s.h.Write(seq) + s.h.Write(record[:1]) + s.h.Write(record[3:5]) + s.h.Write(record[recordHeaderLen:]) + digestBuf = s.h.Sum(digestBuf[:0]) + + s.h.Reset() + s.h.Write(s.key) + s.h.Write(ssl30Pad2[:padLength]) + s.h.Write(digestBuf) + return s.h.Sum(digestBuf[:0]) +} + +// tls10MAC implements the TLS 1.0 MAC function. RFC 2246, section 6.2.3. +type tls10MAC struct { + h hash.Hash +} + +func (s tls10MAC) Size() int { + return s.h.Size() +} + +func (s tls10MAC) MAC(digestBuf, seq, record []byte) []byte { + s.h.Reset() + s.h.Write(seq) + s.h.Write(record) + return s.h.Sum(digestBuf[:0]) +} + +func rsaKA() keyAgreement { + return rsaKeyAgreement{} +} + +func ecdheRSAKA() keyAgreement { + return new(ecdheRSAKeyAgreement) +} + +// mutualCipherSuite returns a cipherSuite given a list of supported +// ciphersuites and the id requested by the peer. +func mutualCipherSuite(have []uint16, want uint16) *cipherSuite { + for _, id := range have { + if id == want { + for _, suite := range cipherSuites { + if suite.id == want { + return suite + } + } + return nil + } + } + return nil +} + +// A list of the possible cipher suite ids. Taken from +// http://www.iana.org/assignments/tls-parameters/tls-parameters.xml +const ( + TLS_RSA_WITH_RC4_128_SHA uint16 = 0x0005 + TLS_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0x000a + TLS_RSA_WITH_AES_128_CBC_SHA uint16 = 0x002f + TLS_ECDHE_RSA_WITH_RC4_128_SHA uint16 = 0xc011 + TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xc012 + TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA uint16 = 0xc013 +) diff --git a/gcc-4.7/libgo/go/crypto/tls/common.go b/gcc-4.7/libgo/go/crypto/tls/common.go new file mode 100644 index 000000000..4ba0bf874 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/common.go @@ -0,0 +1,321 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "crypto" + "crypto/rand" + "crypto/x509" + "io" + "strings" + "sync" + "time" +) + +const ( + maxPlaintext = 16384 // maximum plaintext payload length + maxCiphertext = 16384 + 2048 // maximum ciphertext payload length + recordHeaderLen = 5 // record header length + maxHandshake = 65536 // maximum handshake we support (protocol max is 16 MB) + + versionSSL30 = 0x0300 + versionTLS10 = 0x0301 + + minVersion = versionSSL30 + maxVersion = versionTLS10 +) + +// TLS record types. +type recordType uint8 + +const ( + recordTypeChangeCipherSpec recordType = 20 + recordTypeAlert recordType = 21 + recordTypeHandshake recordType = 22 + recordTypeApplicationData recordType = 23 +) + +// TLS handshake message types. +const ( + typeClientHello uint8 = 1 + typeServerHello uint8 = 2 + typeCertificate uint8 = 11 + typeServerKeyExchange uint8 = 12 + typeCertificateRequest uint8 = 13 + typeServerHelloDone uint8 = 14 + typeCertificateVerify uint8 = 15 + typeClientKeyExchange uint8 = 16 + typeFinished uint8 = 20 + typeCertificateStatus uint8 = 22 + typeNextProtocol uint8 = 67 // Not IANA assigned +) + +// TLS compression types. +const ( + compressionNone uint8 = 0 +) + +// TLS extension numbers +var ( + extensionServerName uint16 = 0 + extensionStatusRequest uint16 = 5 + extensionSupportedCurves uint16 = 10 + extensionSupportedPoints uint16 = 11 + extensionNextProtoNeg uint16 = 13172 // not IANA assigned +) + +// TLS Elliptic Curves +// http://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-8 +var ( + curveP256 uint16 = 23 + curveP384 uint16 = 24 + curveP521 uint16 = 25 +) + +// TLS Elliptic Curve Point Formats +// http://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-9 +var ( + pointFormatUncompressed uint8 = 0 +) + +// TLS CertificateStatusType (RFC 3546) +const ( + statusTypeOCSP uint8 = 1 +) + +// Certificate types (for certificateRequestMsg) +const ( + certTypeRSASign = 1 // A certificate containing an RSA key + certTypeDSSSign = 2 // A certificate containing a DSA key + certTypeRSAFixedDH = 3 // A certificate containing a static DH key + certTypeDSSFixedDH = 4 // A certificate containing a static DH key + // Rest of these are reserved by the TLS spec +) + +// ConnectionState records basic TLS details about the connection. +type ConnectionState struct { + HandshakeComplete bool + CipherSuite uint16 + NegotiatedProtocol string + NegotiatedProtocolIsMutual bool + + // ServerName contains the server name indicated by the client, if any. + // (Only valid for server connections.) + ServerName string + + // the certificate chain that was presented by the other side + PeerCertificates []*x509.Certificate + // the verified certificate chains built from PeerCertificates. + VerifiedChains [][]*x509.Certificate +} + +// ClientAuthType declares the policy the server will follow for +// TLS Client Authentication. +type ClientAuthType int + +const ( + NoClientCert ClientAuthType = iota + RequestClientCert + RequireAnyClientCert + VerifyClientCertIfGiven + RequireAndVerifyClientCert +) + +// A Config structure is used to configure a TLS client or server. After one +// has been passed to a TLS function it must not be modified. +type Config struct { + // Rand provides the source of entropy for nonces and RSA blinding. + // If Rand is nil, TLS uses the cryptographic random reader in package + // crypto/rand. + Rand io.Reader + + // Time returns the current time as the number of seconds since the epoch. + // If Time is nil, TLS uses time.Now. + Time func() time.Time + + // Certificates contains one or more certificate chains + // to present to the other side of the connection. + // Server configurations must include at least one certificate. + Certificates []Certificate + + // NameToCertificate maps from a certificate name to an element of + // Certificates. Note that a certificate name can be of the form + // '*.example.com' and so doesn't have to be a domain name as such. + // See Config.BuildNameToCertificate + // The nil value causes the first element of Certificates to be used + // for all connections. + NameToCertificate map[string]*Certificate + + // RootCAs defines the set of root certificate authorities + // that clients use when verifying server certificates. + // If RootCAs is nil, TLS uses the host's root CA set. + RootCAs *x509.CertPool + + // NextProtos is a list of supported, application level protocols. + NextProtos []string + + // ServerName is included in the client's handshake to support virtual + // hosting. + ServerName string + + // ClientAuth determines the server's policy for + // TLS Client Authentication. The default is NoClientCert. + ClientAuth ClientAuthType + + // ClientCAs defines the set of root certificate authorities + // that servers use if required to verify a client certificate + // by the policy in ClientAuth. + ClientCAs *x509.CertPool + + // InsecureSkipVerify controls whether a client verifies the + // server's certificate chain and host name. + // If InsecureSkipVerify is true, TLS accepts any certificate + // presented by the server and any host name in that certificate. + // In this mode, TLS is susceptible to man-in-the-middle attacks. + // This should be used only for testing. + InsecureSkipVerify bool + + // CipherSuites is a list of supported cipher suites. If CipherSuites + // is nil, TLS uses a list of suites supported by the implementation. + CipherSuites []uint16 +} + +func (c *Config) rand() io.Reader { + r := c.Rand + if r == nil { + return rand.Reader + } + return r +} + +func (c *Config) time() time.Time { + t := c.Time + if t == nil { + t = time.Now + } + return t() +} + +func (c *Config) cipherSuites() []uint16 { + s := c.CipherSuites + if s == nil { + s = defaultCipherSuites() + } + return s +} + +// getCertificateForName returns the best certificate for the given name, +// defaulting to the first element of c.Certificates if there are no good +// options. +func (c *Config) getCertificateForName(name string) *Certificate { + if len(c.Certificates) == 1 || c.NameToCertificate == nil { + // There's only one choice, so no point doing any work. + return &c.Certificates[0] + } + + name = strings.ToLower(name) + for len(name) > 0 && name[len(name)-1] == '.' { + name = name[:len(name)-1] + } + + if cert, ok := c.NameToCertificate[name]; ok { + return cert + } + + // try replacing labels in the name with wildcards until we get a + // match. + labels := strings.Split(name, ".") + for i := range labels { + labels[i] = "*" + candidate := strings.Join(labels, ".") + if cert, ok := c.NameToCertificate[candidate]; ok { + return cert + } + } + + // If nothing matches, return the first certificate. + return &c.Certificates[0] +} + +// BuildNameToCertificate parses c.Certificates and builds c.NameToCertificate +// from the CommonName and SubjectAlternateName fields of each of the leaf +// certificates. +func (c *Config) BuildNameToCertificate() { + c.NameToCertificate = make(map[string]*Certificate) + for i := range c.Certificates { + cert := &c.Certificates[i] + x509Cert, err := x509.ParseCertificate(cert.Certificate[0]) + if err != nil { + continue + } + if len(x509Cert.Subject.CommonName) > 0 { + c.NameToCertificate[x509Cert.Subject.CommonName] = cert + } + for _, san := range x509Cert.DNSNames { + c.NameToCertificate[san] = cert + } + } +} + +// A Certificate is a chain of one or more certificates, leaf first. +type Certificate struct { + Certificate [][]byte + PrivateKey crypto.PrivateKey // supported types: *rsa.PrivateKey + // OCSPStaple contains an optional OCSP response which will be served + // to clients that request it. + OCSPStaple []byte + // Leaf is the parsed form of the leaf certificate, which may be + // initialized using x509.ParseCertificate to reduce per-handshake + // processing for TLS clients doing client authentication. If nil, the + // leaf certificate will be parsed as needed. + Leaf *x509.Certificate +} + +// A TLS record. +type record struct { + contentType recordType + major, minor uint8 + payload []byte +} + +type handshakeMessage interface { + marshal() []byte + unmarshal([]byte) bool +} + +// mutualVersion returns the protocol version to use given the advertised +// version of the peer. +func mutualVersion(vers uint16) (uint16, bool) { + if vers < minVersion { + return 0, false + } + if vers > maxVersion { + vers = maxVersion + } + return vers, true +} + +var emptyConfig Config + +func defaultConfig() *Config { + return &emptyConfig +} + +var ( + once sync.Once + varDefaultCipherSuites []uint16 +) + +func defaultCipherSuites() []uint16 { + once.Do(initDefaultCipherSuites) + return varDefaultCipherSuites +} + +func initDefaultCipherSuites() { + varDefaultCipherSuites = make([]uint16, len(cipherSuites)) + for i, suite := range cipherSuites { + varDefaultCipherSuites[i] = suite.id + } +} diff --git a/gcc-4.7/libgo/go/crypto/tls/conn.go b/gcc-4.7/libgo/go/crypto/tls/conn.go new file mode 100644 index 000000000..2a5115dc6 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/conn.go @@ -0,0 +1,854 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// TLS low level connection and record layer + +package tls + +import ( + "bytes" + "crypto/cipher" + "crypto/subtle" + "crypto/x509" + "errors" + "io" + "net" + "sync" + "time" +) + +// A Conn represents a secured connection. +// It implements the net.Conn interface. +type Conn struct { + // constant + conn net.Conn + isClient bool + + // constant after handshake; protected by handshakeMutex + handshakeMutex sync.Mutex // handshakeMutex < in.Mutex, out.Mutex, errMutex + vers uint16 // TLS version + haveVers bool // version has been negotiated + config *Config // configuration passed to constructor + handshakeComplete bool + cipherSuite uint16 + ocspResponse []byte // stapled OCSP response + peerCertificates []*x509.Certificate + // verifiedChains contains the certificate chains that we built, as + // opposed to the ones presented by the server. + verifiedChains [][]*x509.Certificate + // serverName contains the server name indicated by the client, if any. + serverName string + + clientProtocol string + clientProtocolFallback bool + + // first permanent error + errMutex sync.Mutex + err error + + // input/output + in, out halfConn // in.Mutex < out.Mutex + rawInput *block // raw input, right off the wire + input *block // application data waiting to be read + hand bytes.Buffer // handshake data waiting to be read + + tmp [16]byte +} + +func (c *Conn) setError(err error) error { + c.errMutex.Lock() + defer c.errMutex.Unlock() + + if c.err == nil { + c.err = err + } + return err +} + +func (c *Conn) error() error { + c.errMutex.Lock() + defer c.errMutex.Unlock() + + return c.err +} + +// Access to net.Conn methods. +// Cannot just embed net.Conn because that would +// export the struct field too. + +// LocalAddr returns the local network address. +func (c *Conn) LocalAddr() net.Addr { + return c.conn.LocalAddr() +} + +// RemoteAddr returns the remote network address. +func (c *Conn) RemoteAddr() net.Addr { + return c.conn.RemoteAddr() +} + +// SetDeadline sets the read and write deadlines associated with the connection. +// A zero value for t means Read and Write will not time out. +// After a Write has timed out, the TLS state is corrupt and all future writes will return the same error. +func (c *Conn) SetDeadline(t time.Time) error { + return c.conn.SetDeadline(t) +} + +// SetReadDeadline sets the read deadline on the underlying connection. +// A zero value for t means Read will not time out. +func (c *Conn) SetReadDeadline(t time.Time) error { + return c.conn.SetReadDeadline(t) +} + +// SetWriteDeadline sets the write deadline on the underlying conneciton. +// A zero value for t means Write will not time out. +// After a Write has timed out, the TLS state is corrupt and all future writes will return the same error. +func (c *Conn) SetWriteDeadline(t time.Time) error { + return c.conn.SetWriteDeadline(t) +} + +// A halfConn represents one direction of the record layer +// connection, either sending or receiving. +type halfConn struct { + sync.Mutex + version uint16 // protocol version + cipher interface{} // cipher algorithm + mac macFunction + seq [8]byte // 64-bit sequence number + bfree *block // list of free blocks + + nextCipher interface{} // next encryption state + nextMac macFunction // next MAC algorithm + + // used to save allocating a new buffer for each MAC. + inDigestBuf, outDigestBuf []byte +} + +// prepareCipherSpec sets the encryption and MAC states +// that a subsequent changeCipherSpec will use. +func (hc *halfConn) prepareCipherSpec(version uint16, cipher interface{}, mac macFunction) { + hc.version = version + hc.nextCipher = cipher + hc.nextMac = mac +} + +// changeCipherSpec changes the encryption and MAC states +// to the ones previously passed to prepareCipherSpec. +func (hc *halfConn) changeCipherSpec() error { + if hc.nextCipher == nil { + return alertInternalError + } + hc.cipher = hc.nextCipher + hc.mac = hc.nextMac + hc.nextCipher = nil + hc.nextMac = nil + return nil +} + +// incSeq increments the sequence number. +func (hc *halfConn) incSeq() { + for i := 7; i >= 0; i-- { + hc.seq[i]++ + if hc.seq[i] != 0 { + return + } + } + + // Not allowed to let sequence number wrap. + // Instead, must renegotiate before it does. + // Not likely enough to bother. + panic("TLS: sequence number wraparound") +} + +// resetSeq resets the sequence number to zero. +func (hc *halfConn) resetSeq() { + for i := range hc.seq { + hc.seq[i] = 0 + } +} + +// removePadding returns an unpadded slice, in constant time, which is a prefix +// of the input. It also returns a byte which is equal to 255 if the padding +// was valid and 0 otherwise. See RFC 2246, section 6.2.3.2 +func removePadding(payload []byte) ([]byte, byte) { + if len(payload) < 1 { + return payload, 0 + } + + paddingLen := payload[len(payload)-1] + t := uint(len(payload)-1) - uint(paddingLen) + // if len(payload) >= (paddingLen - 1) then the MSB of t is zero + good := byte(int32(^t) >> 31) + + toCheck := 255 // the maximum possible padding length + // The length of the padded data is public, so we can use an if here + if toCheck+1 > len(payload) { + toCheck = len(payload) - 1 + } + + for i := 0; i < toCheck; i++ { + t := uint(paddingLen) - uint(i) + // if i <= paddingLen then the MSB of t is zero + mask := byte(int32(^t) >> 31) + b := payload[len(payload)-1-i] + good &^= mask&paddingLen ^ mask&b + } + + // We AND together the bits of good and replicate the result across + // all the bits. + good &= good << 4 + good &= good << 2 + good &= good << 1 + good = uint8(int8(good) >> 7) + + toRemove := good&paddingLen + 1 + return payload[:len(payload)-int(toRemove)], good +} + +// removePaddingSSL30 is a replacement for removePadding in the case that the +// protocol version is SSLv3. In this version, the contents of the padding +// are random and cannot be checked. +func removePaddingSSL30(payload []byte) ([]byte, byte) { + if len(payload) < 1 { + return payload, 0 + } + + paddingLen := int(payload[len(payload)-1]) + 1 + if paddingLen > len(payload) { + return payload, 0 + } + + return payload[:len(payload)-paddingLen], 255 +} + +func roundUp(a, b int) int { + return a + (b-a%b)%b +} + +// decrypt checks and strips the mac and decrypts the data in b. +func (hc *halfConn) decrypt(b *block) (bool, alert) { + // pull out payload + payload := b.data[recordHeaderLen:] + + macSize := 0 + if hc.mac != nil { + macSize = hc.mac.Size() + } + + paddingGood := byte(255) + + // decrypt + if hc.cipher != nil { + switch c := hc.cipher.(type) { + case cipher.Stream: + c.XORKeyStream(payload, payload) + case cipher.BlockMode: + blockSize := c.BlockSize() + + if len(payload)%blockSize != 0 || len(payload) < roundUp(macSize+1, blockSize) { + return false, alertBadRecordMAC + } + + c.CryptBlocks(payload, payload) + if hc.version == versionSSL30 { + payload, paddingGood = removePaddingSSL30(payload) + } else { + payload, paddingGood = removePadding(payload) + } + b.resize(recordHeaderLen + len(payload)) + + // note that we still have a timing side-channel in the + // MAC check, below. An attacker can align the record + // so that a correct padding will cause one less hash + // block to be calculated. Then they can iteratively + // decrypt a record by breaking each byte. See + // "Password Interception in a SSL/TLS Channel", Brice + // Canvel et al. + // + // However, our behavior matches OpenSSL, so we leak + // only as much as they do. + default: + panic("unknown cipher type") + } + } + + // check, strip mac + if hc.mac != nil { + if len(payload) < macSize { + return false, alertBadRecordMAC + } + + // strip mac off payload, b.data + n := len(payload) - macSize + b.data[3] = byte(n >> 8) + b.data[4] = byte(n) + b.resize(recordHeaderLen + n) + remoteMAC := payload[n:] + localMAC := hc.mac.MAC(hc.inDigestBuf, hc.seq[0:], b.data) + hc.incSeq() + + if subtle.ConstantTimeCompare(localMAC, remoteMAC) != 1 || paddingGood != 255 { + return false, alertBadRecordMAC + } + hc.inDigestBuf = localMAC + } + + return true, 0 +} + +// padToBlockSize calculates the needed padding block, if any, for a payload. +// On exit, prefix aliases payload and extends to the end of the last full +// block of payload. finalBlock is a fresh slice which contains the contents of +// any suffix of payload as well as the needed padding to make finalBlock a +// full block. +func padToBlockSize(payload []byte, blockSize int) (prefix, finalBlock []byte) { + overrun := len(payload) % blockSize + paddingLen := blockSize - overrun + prefix = payload[:len(payload)-overrun] + finalBlock = make([]byte, blockSize) + copy(finalBlock, payload[len(payload)-overrun:]) + for i := overrun; i < blockSize; i++ { + finalBlock[i] = byte(paddingLen - 1) + } + return +} + +// encrypt encrypts and macs the data in b. +func (hc *halfConn) encrypt(b *block) (bool, alert) { + // mac + if hc.mac != nil { + mac := hc.mac.MAC(hc.outDigestBuf, hc.seq[0:], b.data) + hc.incSeq() + + n := len(b.data) + b.resize(n + len(mac)) + copy(b.data[n:], mac) + hc.outDigestBuf = mac + } + + payload := b.data[recordHeaderLen:] + + // encrypt + if hc.cipher != nil { + switch c := hc.cipher.(type) { + case cipher.Stream: + c.XORKeyStream(payload, payload) + case cipher.BlockMode: + prefix, finalBlock := padToBlockSize(payload, c.BlockSize()) + b.resize(recordHeaderLen + len(prefix) + len(finalBlock)) + c.CryptBlocks(b.data[recordHeaderLen:], prefix) + c.CryptBlocks(b.data[recordHeaderLen+len(prefix):], finalBlock) + default: + panic("unknown cipher type") + } + } + + // update length to include MAC and any block padding needed. + n := len(b.data) - recordHeaderLen + b.data[3] = byte(n >> 8) + b.data[4] = byte(n) + + return true, 0 +} + +// A block is a simple data buffer. +type block struct { + data []byte + off int // index for Read + link *block +} + +// resize resizes block to be n bytes, growing if necessary. +func (b *block) resize(n int) { + if n > cap(b.data) { + b.reserve(n) + } + b.data = b.data[0:n] +} + +// reserve makes sure that block contains a capacity of at least n bytes. +func (b *block) reserve(n int) { + if cap(b.data) >= n { + return + } + m := cap(b.data) + if m == 0 { + m = 1024 + } + for m < n { + m *= 2 + } + data := make([]byte, len(b.data), m) + copy(data, b.data) + b.data = data +} + +// readFromUntil reads from r into b until b contains at least n bytes +// or else returns an error. +func (b *block) readFromUntil(r io.Reader, n int) error { + // quick case + if len(b.data) >= n { + return nil + } + + // read until have enough. + b.reserve(n) + for { + m, err := r.Read(b.data[len(b.data):cap(b.data)]) + b.data = b.data[0 : len(b.data)+m] + if len(b.data) >= n { + break + } + if err != nil { + return err + } + } + return nil +} + +func (b *block) Read(p []byte) (n int, err error) { + n = copy(p, b.data[b.off:]) + b.off += n + return +} + +// newBlock allocates a new block, from hc's free list if possible. +func (hc *halfConn) newBlock() *block { + b := hc.bfree + if b == nil { + return new(block) + } + hc.bfree = b.link + b.link = nil + b.resize(0) + return b +} + +// freeBlock returns a block to hc's free list. +// The protocol is such that each side only has a block or two on +// its free list at a time, so there's no need to worry about +// trimming the list, etc. +func (hc *halfConn) freeBlock(b *block) { + b.link = hc.bfree + hc.bfree = b +} + +// splitBlock splits a block after the first n bytes, +// returning a block with those n bytes and a +// block with the remainder. the latter may be nil. +func (hc *halfConn) splitBlock(b *block, n int) (*block, *block) { + if len(b.data) <= n { + return b, nil + } + bb := hc.newBlock() + bb.resize(len(b.data) - n) + copy(bb.data, b.data[n:]) + b.data = b.data[0:n] + return b, bb +} + +// readRecord reads the next TLS record from the connection +// and updates the record layer state. +// c.in.Mutex <= L; c.input == nil. +func (c *Conn) readRecord(want recordType) error { + // Caller must be in sync with connection: + // handshake data if handshake not yet completed, + // else application data. (We don't support renegotiation.) + switch want { + default: + return c.sendAlert(alertInternalError) + case recordTypeHandshake, recordTypeChangeCipherSpec: + if c.handshakeComplete { + return c.sendAlert(alertInternalError) + } + case recordTypeApplicationData: + if !c.handshakeComplete { + return c.sendAlert(alertInternalError) + } + } + +Again: + if c.rawInput == nil { + c.rawInput = c.in.newBlock() + } + b := c.rawInput + + // Read header, payload. + if err := b.readFromUntil(c.conn, recordHeaderLen); err != nil { + // RFC suggests that EOF without an alertCloseNotify is + // an error, but popular web sites seem to do this, + // so we can't make it an error. + // if err == io.EOF { + // err = io.ErrUnexpectedEOF + // } + if e, ok := err.(net.Error); !ok || !e.Temporary() { + c.setError(err) + } + return err + } + typ := recordType(b.data[0]) + vers := uint16(b.data[1])<<8 | uint16(b.data[2]) + n := int(b.data[3])<<8 | int(b.data[4]) + if c.haveVers && vers != c.vers { + return c.sendAlert(alertProtocolVersion) + } + if n > maxCiphertext { + return c.sendAlert(alertRecordOverflow) + } + if !c.haveVers { + // First message, be extra suspicious: + // this might not be a TLS client. + // Bail out before reading a full 'body', if possible. + // The current max version is 3.1. + // If the version is >= 16.0, it's probably not real. + // Similarly, a clientHello message encodes in + // well under a kilobyte. If the length is >= 12 kB, + // it's probably not real. + if (typ != recordTypeAlert && typ != want) || vers >= 0x1000 || n >= 0x3000 { + return c.sendAlert(alertUnexpectedMessage) + } + } + if err := b.readFromUntil(c.conn, recordHeaderLen+n); err != nil { + if err == io.EOF { + err = io.ErrUnexpectedEOF + } + if e, ok := err.(net.Error); !ok || !e.Temporary() { + c.setError(err) + } + return err + } + + // Process message. + b, c.rawInput = c.in.splitBlock(b, recordHeaderLen+n) + b.off = recordHeaderLen + if ok, err := c.in.decrypt(b); !ok { + return c.sendAlert(err) + } + data := b.data[b.off:] + if len(data) > maxPlaintext { + c.sendAlert(alertRecordOverflow) + c.in.freeBlock(b) + return c.error() + } + + switch typ { + default: + c.sendAlert(alertUnexpectedMessage) + + case recordTypeAlert: + if len(data) != 2 { + c.sendAlert(alertUnexpectedMessage) + break + } + if alert(data[1]) == alertCloseNotify { + c.setError(io.EOF) + break + } + switch data[0] { + case alertLevelWarning: + // drop on the floor + c.in.freeBlock(b) + goto Again + case alertLevelError: + c.setError(&net.OpError{Op: "remote error", Err: alert(data[1])}) + default: + c.sendAlert(alertUnexpectedMessage) + } + + case recordTypeChangeCipherSpec: + if typ != want || len(data) != 1 || data[0] != 1 { + c.sendAlert(alertUnexpectedMessage) + break + } + err := c.in.changeCipherSpec() + if err != nil { + c.sendAlert(err.(alert)) + } + + case recordTypeApplicationData: + if typ != want { + c.sendAlert(alertUnexpectedMessage) + break + } + c.input = b + b = nil + + case recordTypeHandshake: + // TODO(rsc): Should at least pick off connection close. + if typ != want { + return c.sendAlert(alertNoRenegotiation) + } + c.hand.Write(data) + } + + if b != nil { + c.in.freeBlock(b) + } + return c.error() +} + +// sendAlert sends a TLS alert message. +// c.out.Mutex <= L. +func (c *Conn) sendAlertLocked(err alert) error { + c.tmp[0] = alertLevelError + if err == alertNoRenegotiation { + c.tmp[0] = alertLevelWarning + } + c.tmp[1] = byte(err) + c.writeRecord(recordTypeAlert, c.tmp[0:2]) + // closeNotify is a special case in that it isn't an error: + if err != alertCloseNotify { + return c.setError(&net.OpError{Op: "local error", Err: err}) + } + return nil +} + +// sendAlert sends a TLS alert message. +// L < c.out.Mutex. +func (c *Conn) sendAlert(err alert) error { + c.out.Lock() + defer c.out.Unlock() + return c.sendAlertLocked(err) +} + +// writeRecord writes a TLS record with the given type and payload +// to the connection and updates the record layer state. +// c.out.Mutex <= L. +func (c *Conn) writeRecord(typ recordType, data []byte) (n int, err error) { + b := c.out.newBlock() + for len(data) > 0 { + m := len(data) + if m > maxPlaintext { + m = maxPlaintext + } + b.resize(recordHeaderLen + m) + b.data[0] = byte(typ) + vers := c.vers + if vers == 0 { + vers = maxVersion + } + b.data[1] = byte(vers >> 8) + b.data[2] = byte(vers) + b.data[3] = byte(m >> 8) + b.data[4] = byte(m) + copy(b.data[recordHeaderLen:], data) + c.out.encrypt(b) + _, err = c.conn.Write(b.data) + if err != nil { + break + } + n += m + data = data[m:] + } + c.out.freeBlock(b) + + if typ == recordTypeChangeCipherSpec { + err = c.out.changeCipherSpec() + if err != nil { + // Cannot call sendAlert directly, + // because we already hold c.out.Mutex. + c.tmp[0] = alertLevelError + c.tmp[1] = byte(err.(alert)) + c.writeRecord(recordTypeAlert, c.tmp[0:2]) + c.err = &net.OpError{Op: "local error", Err: err} + return n, c.err + } + } + return +} + +// readHandshake reads the next handshake message from +// the record layer. +// c.in.Mutex < L; c.out.Mutex < L. +func (c *Conn) readHandshake() (interface{}, error) { + for c.hand.Len() < 4 { + if c.err != nil { + return nil, c.err + } + if err := c.readRecord(recordTypeHandshake); err != nil { + return nil, err + } + } + + data := c.hand.Bytes() + n := int(data[1])<<16 | int(data[2])<<8 | int(data[3]) + if n > maxHandshake { + c.sendAlert(alertInternalError) + return nil, c.err + } + for c.hand.Len() < 4+n { + if c.err != nil { + return nil, c.err + } + if err := c.readRecord(recordTypeHandshake); err != nil { + return nil, err + } + } + data = c.hand.Next(4 + n) + var m handshakeMessage + switch data[0] { + case typeClientHello: + m = new(clientHelloMsg) + case typeServerHello: + m = new(serverHelloMsg) + case typeCertificate: + m = new(certificateMsg) + case typeCertificateRequest: + m = new(certificateRequestMsg) + case typeCertificateStatus: + m = new(certificateStatusMsg) + case typeServerKeyExchange: + m = new(serverKeyExchangeMsg) + case typeServerHelloDone: + m = new(serverHelloDoneMsg) + case typeClientKeyExchange: + m = new(clientKeyExchangeMsg) + case typeCertificateVerify: + m = new(certificateVerifyMsg) + case typeNextProtocol: + m = new(nextProtoMsg) + case typeFinished: + m = new(finishedMsg) + default: + c.sendAlert(alertUnexpectedMessage) + return nil, alertUnexpectedMessage + } + + // The handshake message unmarshallers + // expect to be able to keep references to data, + // so pass in a fresh copy that won't be overwritten. + data = append([]byte(nil), data...) + + if !m.unmarshal(data) { + c.sendAlert(alertUnexpectedMessage) + return nil, alertUnexpectedMessage + } + return m, nil +} + +// Write writes data to the connection. +func (c *Conn) Write(b []byte) (int, error) { + if c.err != nil { + return 0, c.err + } + + if c.err = c.Handshake(); c.err != nil { + return 0, c.err + } + + c.out.Lock() + defer c.out.Unlock() + + if !c.handshakeComplete { + return 0, alertInternalError + } + + var n int + n, c.err = c.writeRecord(recordTypeApplicationData, b) + return n, c.err +} + +// Read can be made to time out and return a net.Error with Timeout() == true +// after a fixed time limit; see SetDeadline and SetReadDeadline. +func (c *Conn) Read(b []byte) (n int, err error) { + if err = c.Handshake(); err != nil { + return + } + + c.in.Lock() + defer c.in.Unlock() + + for c.input == nil && c.err == nil { + if err := c.readRecord(recordTypeApplicationData); err != nil { + // Soft error, like EAGAIN + return 0, err + } + } + if c.err != nil { + return 0, c.err + } + n, err = c.input.Read(b) + if c.input.off >= len(c.input.data) { + c.in.freeBlock(c.input) + c.input = nil + } + return n, nil +} + +// Close closes the connection. +func (c *Conn) Close() error { + var alertErr error + + c.handshakeMutex.Lock() + defer c.handshakeMutex.Unlock() + if c.handshakeComplete { + alertErr = c.sendAlert(alertCloseNotify) + } + + if err := c.conn.Close(); err != nil { + return err + } + return alertErr +} + +// Handshake runs the client or server handshake +// protocol if it has not yet been run. +// Most uses of this package need not call Handshake +// explicitly: the first Read or Write will call it automatically. +func (c *Conn) Handshake() error { + c.handshakeMutex.Lock() + defer c.handshakeMutex.Unlock() + if err := c.error(); err != nil { + return err + } + if c.handshakeComplete { + return nil + } + if c.isClient { + return c.clientHandshake() + } + return c.serverHandshake() +} + +// ConnectionState returns basic TLS details about the connection. +func (c *Conn) ConnectionState() ConnectionState { + c.handshakeMutex.Lock() + defer c.handshakeMutex.Unlock() + + var state ConnectionState + state.HandshakeComplete = c.handshakeComplete + if c.handshakeComplete { + state.NegotiatedProtocol = c.clientProtocol + state.NegotiatedProtocolIsMutual = !c.clientProtocolFallback + state.CipherSuite = c.cipherSuite + state.PeerCertificates = c.peerCertificates + state.VerifiedChains = c.verifiedChains + state.ServerName = c.serverName + } + + return state +} + +// OCSPResponse returns the stapled OCSP response from the TLS server, if +// any. (Only valid for client connections.) +func (c *Conn) OCSPResponse() []byte { + c.handshakeMutex.Lock() + defer c.handshakeMutex.Unlock() + + return c.ocspResponse +} + +// VerifyHostname checks that the peer certificate chain is valid for +// connecting to host. If so, it returns nil; if not, it returns an error +// describing the problem. +func (c *Conn) VerifyHostname(host string) error { + c.handshakeMutex.Lock() + defer c.handshakeMutex.Unlock() + if !c.isClient { + return errors.New("VerifyHostname called on TLS server connection") + } + if !c.handshakeComplete { + return errors.New("TLS handshake has not yet been performed") + } + return c.peerCertificates[0].VerifyHostname(host) +} diff --git a/gcc-4.7/libgo/go/crypto/tls/conn_test.go b/gcc-4.7/libgo/go/crypto/tls/conn_test.go new file mode 100644 index 000000000..5c555147c --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/conn_test.go @@ -0,0 +1,106 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "testing" +) + +func TestRoundUp(t *testing.T) { + if roundUp(0, 16) != 0 || + roundUp(1, 16) != 16 || + roundUp(15, 16) != 16 || + roundUp(16, 16) != 16 || + roundUp(17, 16) != 32 { + t.Error("roundUp broken") + } +} + +var paddingTests = []struct { + in []byte + good bool + expectedLen int +}{ + {[]byte{1, 2, 3, 4, 0}, true, 4}, + {[]byte{1, 2, 3, 4, 0, 1}, false, 0}, + {[]byte{1, 2, 3, 4, 99, 99}, false, 0}, + {[]byte{1, 2, 3, 4, 1, 1}, true, 4}, + {[]byte{1, 2, 3, 2, 2, 2}, true, 3}, + {[]byte{1, 2, 3, 3, 3, 3}, true, 2}, + {[]byte{1, 2, 3, 4, 3, 3}, false, 0}, + {[]byte{1, 4, 4, 4, 4, 4}, true, 1}, + {[]byte{5, 5, 5, 5, 5, 5}, true, 0}, + {[]byte{6, 6, 6, 6, 6, 6}, false, 0}, +} + +func TestRemovePadding(t *testing.T) { + for i, test := range paddingTests { + payload, good := removePadding(test.in) + expectedGood := byte(255) + if !test.good { + expectedGood = 0 + } + if good != expectedGood { + t.Errorf("#%d: wrong validity, want:%d got:%d", i, expectedGood, good) + } + if good == 255 && len(payload) != test.expectedLen { + t.Errorf("#%d: got %d, want %d", i, len(payload), test.expectedLen) + } + } +} + +var certExampleCom = `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` + +var certWildcardExampleCom = `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` + +var certFooExampleCom = `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` + +var certDoubleWildcardExampleCom = `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` + +func TestCertificateSelection(t *testing.T) { + config := Config{ + Certificates: []Certificate{ + { + Certificate: [][]byte{fromHex(certExampleCom)}, + }, + { + Certificate: [][]byte{fromHex(certWildcardExampleCom)}, + }, + { + Certificate: [][]byte{fromHex(certFooExampleCom)}, + }, + { + Certificate: [][]byte{fromHex(certDoubleWildcardExampleCom)}, + }, + }, + } + + config.BuildNameToCertificate() + + pointerToIndex := func(c *Certificate) int { + for i := range config.Certificates { + if c == &config.Certificates[i] { + return i + } + } + return -1 + } + + if n := pointerToIndex(config.getCertificateForName("example.com")); n != 0 { + t.Errorf("example.com returned certificate %d, not 0", n) + } + if n := pointerToIndex(config.getCertificateForName("bar.example.com")); n != 1 { + t.Errorf("bar.example.com returned certificate %d, not 1", n) + } + if n := pointerToIndex(config.getCertificateForName("foo.example.com")); n != 2 { + t.Errorf("foo.example.com returned certificate %d, not 2", n) + } + if n := pointerToIndex(config.getCertificateForName("foo.bar.example.com")); n != 3 { + t.Errorf("foo.bar.example.com returned certificate %d, not 3", n) + } + if n := pointerToIndex(config.getCertificateForName("foo.bar.baz.example.com")); n != 0 { + t.Errorf("foo.bar.baz.example.com returned certificate %d, not 0", n) + } +} diff --git a/gcc-4.7/libgo/go/crypto/tls/generate_cert.go b/gcc-4.7/libgo/go/crypto/tls/generate_cert.go new file mode 100644 index 000000000..84be5bfd8 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/generate_cert.go @@ -0,0 +1,74 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build ignore + +// Generate a self-signed X.509 certificate for a TLS server. Outputs to +// 'cert.pem' and 'key.pem' and will overwrite existing files. + +package main + +import ( + "crypto/rand" + "crypto/rsa" + "crypto/x509" + "crypto/x509/pkix" + "encoding/pem" + "flag" + "log" + "math/big" + "os" + "time" +) + +var hostName *string = flag.String("host", "127.0.0.1", "Hostname to generate a certificate for") + +func main() { + flag.Parse() + + priv, err := rsa.GenerateKey(rand.Reader, 1024) + if err != nil { + log.Fatalf("failed to generate private key: %s", err) + return + } + + now := time.Now() + + template := x509.Certificate{ + SerialNumber: new(big.Int).SetInt64(0), + Subject: pkix.Name{ + CommonName: *hostName, + Organization: []string{"Acme Co"}, + }, + NotBefore: now.Add(-5 * time.Minute).UTC(), + NotAfter: now.AddDate(1, 0, 0).UTC(), // valid for 1 year. + + SubjectKeyId: []byte{1, 2, 3, 4}, + KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature, + } + + derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv) + if err != nil { + log.Fatalf("Failed to create certificate: %s", err) + return + } + + certOut, err := os.Create("cert.pem") + if err != nil { + log.Fatalf("failed to open cert.pem for writing: %s", err) + return + } + pem.Encode(certOut, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes}) + certOut.Close() + log.Print("written cert.pem\n") + + keyOut, err := os.OpenFile("key.pem", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600) + if err != nil { + log.Print("failed to open key.pem for writing:", err) + return + } + pem.Encode(keyOut, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(priv)}) + keyOut.Close() + log.Print("written key.pem\n") +} diff --git a/gcc-4.7/libgo/go/crypto/tls/handshake_client.go b/gcc-4.7/libgo/go/crypto/tls/handshake_client.go new file mode 100644 index 000000000..2877f1738 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/handshake_client.go @@ -0,0 +1,347 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "bytes" + "crypto" + "crypto/rsa" + "crypto/subtle" + "crypto/x509" + "errors" + "io" + "strconv" +) + +func (c *Conn) clientHandshake() error { + finishedHash := newFinishedHash(versionTLS10) + + if c.config == nil { + c.config = defaultConfig() + } + + hello := &clientHelloMsg{ + vers: maxVersion, + cipherSuites: c.config.cipherSuites(), + compressionMethods: []uint8{compressionNone}, + random: make([]byte, 32), + ocspStapling: true, + serverName: c.config.ServerName, + supportedCurves: []uint16{curveP256, curveP384, curveP521}, + supportedPoints: []uint8{pointFormatUncompressed}, + nextProtoNeg: len(c.config.NextProtos) > 0, + } + + t := uint32(c.config.time().Unix()) + hello.random[0] = byte(t >> 24) + hello.random[1] = byte(t >> 16) + hello.random[2] = byte(t >> 8) + hello.random[3] = byte(t) + _, err := io.ReadFull(c.config.rand(), hello.random[4:]) + if err != nil { + c.sendAlert(alertInternalError) + return errors.New("short read from Rand") + } + + finishedHash.Write(hello.marshal()) + c.writeRecord(recordTypeHandshake, hello.marshal()) + + msg, err := c.readHandshake() + if err != nil { + return err + } + serverHello, ok := msg.(*serverHelloMsg) + if !ok { + return c.sendAlert(alertUnexpectedMessage) + } + finishedHash.Write(serverHello.marshal()) + + vers, ok := mutualVersion(serverHello.vers) + if !ok || vers < versionTLS10 { + // TLS 1.0 is the minimum version supported as a client. + return c.sendAlert(alertProtocolVersion) + } + c.vers = vers + c.haveVers = true + + if serverHello.compressionMethod != compressionNone { + return c.sendAlert(alertUnexpectedMessage) + } + + if !hello.nextProtoNeg && serverHello.nextProtoNeg { + c.sendAlert(alertHandshakeFailure) + return errors.New("server advertised unrequested NPN") + } + + suite := mutualCipherSuite(c.config.cipherSuites(), serverHello.cipherSuite) + if suite == nil { + return c.sendAlert(alertHandshakeFailure) + } + + msg, err = c.readHandshake() + if err != nil { + return err + } + certMsg, ok := msg.(*certificateMsg) + if !ok || len(certMsg.certificates) == 0 { + return c.sendAlert(alertUnexpectedMessage) + } + finishedHash.Write(certMsg.marshal()) + + certs := make([]*x509.Certificate, len(certMsg.certificates)) + for i, asn1Data := range certMsg.certificates { + cert, err := x509.ParseCertificate(asn1Data) + if err != nil { + c.sendAlert(alertBadCertificate) + return errors.New("failed to parse certificate from server: " + err.Error()) + } + certs[i] = cert + } + + if !c.config.InsecureSkipVerify { + opts := x509.VerifyOptions{ + Roots: c.config.RootCAs, + CurrentTime: c.config.time(), + DNSName: c.config.ServerName, + Intermediates: x509.NewCertPool(), + } + + for i, cert := range certs { + if i == 0 { + continue + } + opts.Intermediates.AddCert(cert) + } + c.verifiedChains, err = certs[0].Verify(opts) + if err != nil { + c.sendAlert(alertBadCertificate) + return err + } + } + + if _, ok := certs[0].PublicKey.(*rsa.PublicKey); !ok { + return c.sendAlert(alertUnsupportedCertificate) + } + + c.peerCertificates = certs + + if serverHello.ocspStapling { + msg, err = c.readHandshake() + if err != nil { + return err + } + cs, ok := msg.(*certificateStatusMsg) + if !ok { + return c.sendAlert(alertUnexpectedMessage) + } + finishedHash.Write(cs.marshal()) + + if cs.statusType == statusTypeOCSP { + c.ocspResponse = cs.response + } + } + + msg, err = c.readHandshake() + if err != nil { + return err + } + + keyAgreement := suite.ka() + + skx, ok := msg.(*serverKeyExchangeMsg) + if ok { + finishedHash.Write(skx.marshal()) + err = keyAgreement.processServerKeyExchange(c.config, hello, serverHello, certs[0], skx) + if err != nil { + c.sendAlert(alertUnexpectedMessage) + return err + } + + msg, err = c.readHandshake() + if err != nil { + return err + } + } + + var certToSend *Certificate + var certRequested bool + certReq, ok := msg.(*certificateRequestMsg) + if ok { + certRequested = true + + // RFC 4346 on the certificateAuthorities field: + // A list of the distinguished names of acceptable certificate + // authorities. These distinguished names may specify a desired + // distinguished name for a root CA or for a subordinate CA; + // thus, this message can be used to describe both known roots + // and a desired authorization space. If the + // certificate_authorities list is empty then the client MAY + // send any certificate of the appropriate + // ClientCertificateType, unless there is some external + // arrangement to the contrary. + + finishedHash.Write(certReq.marshal()) + + // For now, we only know how to sign challenges with RSA + rsaAvail := false + for _, certType := range certReq.certificateTypes { + if certType == certTypeRSASign { + rsaAvail = true + break + } + } + + // We need to search our list of client certs for one + // where SignatureAlgorithm is RSA and the Issuer is in + // certReq.certificateAuthorities + findCert: + for i, cert := range c.config.Certificates { + if !rsaAvail { + continue + } + + leaf := cert.Leaf + if leaf == nil { + if leaf, err = x509.ParseCertificate(cert.Certificate[0]); err != nil { + c.sendAlert(alertInternalError) + return errors.New("tls: failed to parse client certificate #" + strconv.Itoa(i) + ": " + err.Error()) + } + } + + if leaf.PublicKeyAlgorithm != x509.RSA { + continue + } + + if len(certReq.certificateAuthorities) == 0 { + // they gave us an empty list, so just take the + // first RSA cert from c.config.Certificates + certToSend = &cert + break + } + + for _, ca := range certReq.certificateAuthorities { + if bytes.Equal(leaf.RawIssuer, ca) { + certToSend = &cert + break findCert + } + } + } + + msg, err = c.readHandshake() + if err != nil { + return err + } + } + + shd, ok := msg.(*serverHelloDoneMsg) + if !ok { + return c.sendAlert(alertUnexpectedMessage) + } + finishedHash.Write(shd.marshal()) + + // If the server requested a certificate then we have to send a + // Certificate message, even if it's empty because we don't have a + // certificate to send. + if certRequested { + certMsg = new(certificateMsg) + if certToSend != nil { + certMsg.certificates = certToSend.Certificate + } + finishedHash.Write(certMsg.marshal()) + c.writeRecord(recordTypeHandshake, certMsg.marshal()) + } + + preMasterSecret, ckx, err := keyAgreement.generateClientKeyExchange(c.config, hello, certs[0]) + if err != nil { + c.sendAlert(alertInternalError) + return err + } + if ckx != nil { + finishedHash.Write(ckx.marshal()) + c.writeRecord(recordTypeHandshake, ckx.marshal()) + } + + if certToSend != nil { + certVerify := new(certificateVerifyMsg) + digest := make([]byte, 0, 36) + digest = finishedHash.serverMD5.Sum(digest) + digest = finishedHash.serverSHA1.Sum(digest) + signed, err := rsa.SignPKCS1v15(c.config.rand(), c.config.Certificates[0].PrivateKey.(*rsa.PrivateKey), crypto.MD5SHA1, digest) + if err != nil { + return c.sendAlert(alertInternalError) + } + certVerify.signature = signed + + finishedHash.Write(certVerify.marshal()) + c.writeRecord(recordTypeHandshake, certVerify.marshal()) + } + + masterSecret, clientMAC, serverMAC, clientKey, serverKey, clientIV, serverIV := + keysFromPreMasterSecret(c.vers, preMasterSecret, hello.random, serverHello.random, suite.macLen, suite.keyLen, suite.ivLen) + + clientCipher := suite.cipher(clientKey, clientIV, false /* not for reading */) + clientHash := suite.mac(c.vers, clientMAC) + c.out.prepareCipherSpec(c.vers, clientCipher, clientHash) + c.writeRecord(recordTypeChangeCipherSpec, []byte{1}) + + if serverHello.nextProtoNeg { + nextProto := new(nextProtoMsg) + proto, fallback := mutualProtocol(c.config.NextProtos, serverHello.nextProtos) + nextProto.proto = proto + c.clientProtocol = proto + c.clientProtocolFallback = fallback + + finishedHash.Write(nextProto.marshal()) + c.writeRecord(recordTypeHandshake, nextProto.marshal()) + } + + finished := new(finishedMsg) + finished.verifyData = finishedHash.clientSum(masterSecret) + finishedHash.Write(finished.marshal()) + c.writeRecord(recordTypeHandshake, finished.marshal()) + + serverCipher := suite.cipher(serverKey, serverIV, true /* for reading */) + serverHash := suite.mac(c.vers, serverMAC) + c.in.prepareCipherSpec(c.vers, serverCipher, serverHash) + c.readRecord(recordTypeChangeCipherSpec) + if c.err != nil { + return c.err + } + + msg, err = c.readHandshake() + if err != nil { + return err + } + serverFinished, ok := msg.(*finishedMsg) + if !ok { + return c.sendAlert(alertUnexpectedMessage) + } + + verify := finishedHash.serverSum(masterSecret) + if len(verify) != len(serverFinished.verifyData) || + subtle.ConstantTimeCompare(verify, serverFinished.verifyData) != 1 { + return c.sendAlert(alertHandshakeFailure) + } + + c.handshakeComplete = true + c.cipherSuite = suite.id + return nil +} + +// mutualProtocol finds the mutual Next Protocol Negotiation protocol given the +// set of client and server supported protocols. The set of client supported +// protocols must not be empty. It returns the resulting protocol and flag +// indicating if the fallback case was reached. +func mutualProtocol(clientProtos, serverProtos []string) (string, bool) { + for _, s := range serverProtos { + for _, c := range clientProtos { + if s == c { + return s, false + } + } + } + + return clientProtos[0], true +} diff --git a/gcc-4.7/libgo/go/crypto/tls/handshake_client_test.go b/gcc-4.7/libgo/go/crypto/tls/handshake_client_test.go new file mode 100644 index 000000000..8c56daaf6 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/handshake_client_test.go @@ -0,0 +1,212 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "bytes" + "flag" + "io" + "net" + "testing" +) + +func testClientScript(t *testing.T, name string, clientScript [][]byte, config *Config) { + c, s := net.Pipe() + cli := Client(c, config) + go func() { + cli.Write([]byte("hello\n")) + cli.Close() + c.Close() + }() + + defer c.Close() + for i, b := range clientScript { + if i%2 == 1 { + s.Write(b) + continue + } + bb := make([]byte, len(b)) + _, err := io.ReadFull(s, bb) + if err != nil { + t.Fatalf("%s #%d: %s", name, i, err) + } + if !bytes.Equal(b, bb) { + t.Fatalf("%s #%d: mismatch on read: got:%x want:%x", name, i, bb, b) + } + } +} + +func TestHandshakeClientRC4(t *testing.T) { + testClientScript(t, "RC4", rc4ClientScript, testConfig) +} + +var connect = flag.Bool("connect", false, "connect to a TLS server on :10443") + +func TestRunClient(t *testing.T) { + if !*connect { + return + } + + testConfig.CipherSuites = []uint16{TLS_ECDHE_RSA_WITH_RC4_128_SHA} + + conn, err := Dial("tcp", "127.0.0.1:10443", testConfig) + if err != nil { + t.Fatal(err) + } + + conn.Write([]byte("hello\n")) + conn.Close() +} + +// Script of interaction with gnutls implementation. +// The values for this test are obtained by building and running in client mode: +// % go test -run "TestRunClient" -connect +// and then: +// % gnutls-serv -p 10443 --debug 100 --x509keyfile key.pem --x509certfile cert.pem -a > /tmp/log 2>&1 +// % python parse-gnutls-cli-debug-log.py < /tmp/log +// +// Where key.pem is: +// -----BEGIN RSA PRIVATE KEY----- +// MIIBPAIBAAJBAJ+zw4Qnlf8SMVIPFe9GEcStgOY2Ww/dgNdhjeD8ckUJNP5VZkVD +// TGiXav6ooKXfX3j/7tdkuD8Ey2//Kv7+ue0CAwEAAQJAN6W31vDEP2DjdqhzCDDu +// OA4NACqoiFqyblo7yc2tM4h4xMbC3Yx5UKMN9ZkCtX0gzrz6DyF47bdKcWBzNWCj +// gQIhANEoojVt7hq+SQ6MCN6FTAysGgQf56Q3TYoJMoWvdiXVAiEAw3e3rc+VJpOz +// rHuDo6bgpjUAAXM+v3fcpsfZSNO6V7kCIQCtbVjanpUwvZkMI9by02oUk9taki3b +// PzPfAfNPYAbCJQIhAJXNQDWyqwn/lGmR11cqY2y9nZ1+5w3yHGatLrcDnQHxAiEA +// vnlEGo8K85u+KwIOimM48ZG8oTk7iFdkqLJR1utT3aU= +// -----END RSA PRIVATE KEY----- +// +// and cert.pem is: +// -----BEGIN CERTIFICATE----- +// MIIBoDCCAUoCAQAwDQYJKoZIhvcNAQEEBQAwYzELMAkGA1UEBhMCQVUxEzARBgNV +// BAgTClF1ZWVuc2xhbmQxGjAYBgNVBAoTEUNyeXB0U29mdCBQdHkgTHRkMSMwIQYD +// VQQDExpTZXJ2ZXIgdGVzdCBjZXJ0ICg1MTIgYml0KTAeFw05NzA5MDkwMzQxMjZa +// Fw05NzEwMDkwMzQxMjZaMF4xCzAJBgNVBAYTAkFVMRMwEQYDVQQIEwpTb21lLVN0 +// YXRlMSEwHwYDVQQKExhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQxFzAVBgNVBAMT +// DkVyaWMgdGhlIFlvdW5nMFEwCQYFKw4DAgwFAANEAAJBALVEqPODnpI4rShlY8S7 +// tB713JNvabvn6Gned7zylwLLiXQAo/PAT6mfdWPTyCX9RlId/Aroh1ou893BA32Q +// sggwDQYJKoZIhvcNAQEEBQADQQCU5SSgapJSdRXJoX+CpCvFy+JVh9HpSjCpSNKO +// 19raHv98hKAUJuP9HyM+SUsffO6mAIgitUaqW8/wDMePhEC3 +// -----END CERTIFICATE----- +var rc4ClientScript = [][]byte{ + { + 0x16, 0x03, 0x01, 0x00, 0x4a, 0x01, 0x00, 0x00, + 0x46, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x05, + 0x01, 0x00, 0x00, 0x1b, 0x00, 0x05, 0x00, 0x05, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, + 0x08, 0x00, 0x06, 0x00, 0x17, 0x00, 0x18, 0x00, + 0x19, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00, + }, + + { + 0x16, 0x03, 0x01, 0x00, 0x4a, 0x02, 0x00, 0x00, + 0x46, 0x03, 0x01, 0x4d, 0x0a, 0x56, 0x16, 0xb5, + 0x91, 0xd1, 0xcb, 0x80, 0x4d, 0xc7, 0x46, 0xf3, + 0x37, 0x0c, 0xef, 0xea, 0x64, 0x11, 0x14, 0x56, + 0x97, 0x9b, 0xc5, 0x67, 0x08, 0xb7, 0x13, 0xea, + 0xf8, 0xc9, 0xb3, 0x20, 0xe2, 0xfc, 0x41, 0xf6, + 0x96, 0x90, 0x9d, 0x43, 0x9b, 0xe9, 0x6e, 0xf8, + 0x41, 0x16, 0xcc, 0xf3, 0xc7, 0xde, 0xda, 0x5a, + 0xa1, 0x33, 0x69, 0xe2, 0xde, 0x5b, 0xaf, 0x2a, + 0x92, 0xe7, 0xd4, 0xa0, 0x00, 0x05, 0x00, 0x16, + 0x03, 0x01, 0x01, 0xf7, 0x0b, 0x00, 0x01, 0xf3, + 0x00, 0x01, 0xf0, 0x00, 0x01, 0xed, 0x30, 0x82, + 0x01, 0xe9, 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All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import "bytes" + +type clientHelloMsg struct { + raw []byte + vers uint16 + random []byte + sessionId []byte + cipherSuites []uint16 + compressionMethods []uint8 + nextProtoNeg bool + serverName string + ocspStapling bool + supportedCurves []uint16 + supportedPoints []uint8 +} + +func (m *clientHelloMsg) equal(i interface{}) bool { + m1, ok := i.(*clientHelloMsg) + if !ok { + return false + } + + return bytes.Equal(m.raw, m1.raw) && + m.vers == m1.vers && + bytes.Equal(m.random, m1.random) && + bytes.Equal(m.sessionId, m1.sessionId) && + eqUint16s(m.cipherSuites, m1.cipherSuites) && + bytes.Equal(m.compressionMethods, m1.compressionMethods) && + m.nextProtoNeg == m1.nextProtoNeg && + m.serverName == m1.serverName && + m.ocspStapling == m1.ocspStapling && + eqUint16s(m.supportedCurves, m1.supportedCurves) && + bytes.Equal(m.supportedPoints, m1.supportedPoints) +} + +func (m *clientHelloMsg) marshal() []byte { + if m.raw != nil { + return m.raw + } + + length := 2 + 32 + 1 + len(m.sessionId) + 2 + len(m.cipherSuites)*2 + 1 + len(m.compressionMethods) + numExtensions := 0 + extensionsLength := 0 + if m.nextProtoNeg { + numExtensions++ + } + if m.ocspStapling { + extensionsLength += 1 + 2 + 2 + numExtensions++ + } + if len(m.serverName) > 0 { + extensionsLength += 5 + len(m.serverName) + numExtensions++ + } + if len(m.supportedCurves) > 0 { + extensionsLength += 2 + 2*len(m.supportedCurves) + numExtensions++ + } + if len(m.supportedPoints) > 0 { + extensionsLength += 1 + len(m.supportedPoints) + numExtensions++ + } + if numExtensions > 0 { + extensionsLength += 4 * numExtensions + length += 2 + extensionsLength + } + + x := make([]byte, 4+length) + x[0] = typeClientHello + x[1] = uint8(length >> 16) + x[2] = uint8(length >> 8) + x[3] = uint8(length) + x[4] = uint8(m.vers >> 8) + x[5] = uint8(m.vers) + copy(x[6:38], m.random) + x[38] = uint8(len(m.sessionId)) + copy(x[39:39+len(m.sessionId)], m.sessionId) + y := x[39+len(m.sessionId):] + y[0] = uint8(len(m.cipherSuites) >> 7) + y[1] = uint8(len(m.cipherSuites) << 1) + for i, suite := range m.cipherSuites { + y[2+i*2] = uint8(suite >> 8) + y[3+i*2] = uint8(suite) + } + z := y[2+len(m.cipherSuites)*2:] + z[0] = uint8(len(m.compressionMethods)) + copy(z[1:], m.compressionMethods) + + z = z[1+len(m.compressionMethods):] + if numExtensions > 0 { + z[0] = byte(extensionsLength >> 8) + z[1] = byte(extensionsLength) + z = z[2:] + } + if m.nextProtoNeg { + z[0] = byte(extensionNextProtoNeg >> 8) + z[1] = byte(extensionNextProtoNeg) + // The length is always 0 + z = z[4:] + } + if len(m.serverName) > 0 { + z[0] = byte(extensionServerName >> 8) + z[1] = byte(extensionServerName) + l := len(m.serverName) + 5 + z[2] = byte(l >> 8) + z[3] = byte(l) + z = z[4:] + + // RFC 3546, section 3.1 + // + // struct { + // NameType name_type; + // select (name_type) { + // case host_name: HostName; + // } name; + // } ServerName; + // + // enum { + // host_name(0), (255) + // } NameType; + // + // opaque HostName<1..2^16-1>; + // + // struct { + // ServerName server_name_list<1..2^16-1> + // } ServerNameList; + + z[0] = byte((len(m.serverName) + 3) >> 8) + z[1] = byte(len(m.serverName) + 3) + z[3] = byte(len(m.serverName) >> 8) + z[4] = byte(len(m.serverName)) + copy(z[5:], []byte(m.serverName)) + z = z[l:] + } + if m.ocspStapling { + // RFC 4366, section 3.6 + z[0] = byte(extensionStatusRequest >> 8) + z[1] = byte(extensionStatusRequest) + z[2] = 0 + z[3] = 5 + z[4] = 1 // OCSP type + // Two zero valued uint16s for the two lengths. + z = z[9:] + } + if len(m.supportedCurves) > 0 { + // http://tools.ietf.org/html/rfc4492#section-5.5.1 + z[0] = byte(extensionSupportedCurves >> 8) + z[1] = byte(extensionSupportedCurves) + l := 2 + 2*len(m.supportedCurves) + z[2] = byte(l >> 8) + z[3] = byte(l) + l -= 2 + z[4] = byte(l >> 8) + z[5] = byte(l) + z = z[6:] + for _, curve := range m.supportedCurves { + z[0] = byte(curve >> 8) + z[1] = byte(curve) + z = z[2:] + } + } + if len(m.supportedPoints) > 0 { + // http://tools.ietf.org/html/rfc4492#section-5.5.2 + z[0] = byte(extensionSupportedPoints >> 8) + z[1] = byte(extensionSupportedPoints) + l := 1 + len(m.supportedPoints) + z[2] = byte(l >> 8) + z[3] = byte(l) + l-- + z[4] = byte(l) + z = z[5:] + for _, pointFormat := range m.supportedPoints { + z[0] = byte(pointFormat) + z = z[1:] + } + } + + m.raw = x + + return x +} + +func (m *clientHelloMsg) unmarshal(data []byte) bool { + if len(data) < 42 { + return false + } + m.raw = data + m.vers = uint16(data[4])<<8 | uint16(data[5]) + m.random = data[6:38] + sessionIdLen := int(data[38]) + if sessionIdLen > 32 || len(data) < 39+sessionIdLen { + return false + } + m.sessionId = data[39 : 39+sessionIdLen] + data = data[39+sessionIdLen:] + if len(data) < 2 { + return false + } + // cipherSuiteLen is the number of bytes of cipher suite numbers. Since + // they are uint16s, the number must be even. + cipherSuiteLen := int(data[0])<<8 | int(data[1]) + if cipherSuiteLen%2 == 1 || len(data) < 2+cipherSuiteLen { + return false + } + numCipherSuites := cipherSuiteLen / 2 + m.cipherSuites = make([]uint16, numCipherSuites) + for i := 0; i < numCipherSuites; i++ { + m.cipherSuites[i] = uint16(data[2+2*i])<<8 | uint16(data[3+2*i]) + } + data = data[2+cipherSuiteLen:] + if len(data) < 1 { + return false + } + compressionMethodsLen := int(data[0]) + if len(data) < 1+compressionMethodsLen { + return false + } + m.compressionMethods = data[1 : 1+compressionMethodsLen] + + data = data[1+compressionMethodsLen:] + + m.nextProtoNeg = false + m.serverName = "" + m.ocspStapling = false + + if len(data) == 0 { + // ClientHello is optionally followed by extension data + return true + } + if len(data) < 2 { + return false + } + + extensionsLength := int(data[0])<<8 | int(data[1]) + data = data[2:] + if extensionsLength != len(data) { + return false + } + + for len(data) != 0 { + if len(data) < 4 { + return false + } + extension := uint16(data[0])<<8 | uint16(data[1]) + length := int(data[2])<<8 | int(data[3]) + data = data[4:] + if len(data) < length { + return false + } + + switch extension { + case extensionServerName: + if length < 2 { + return false + } + numNames := int(data[0])<<8 | int(data[1]) + d := data[2:] + for i := 0; i < numNames; i++ { + if len(d) < 3 { + return false + } + nameType := d[0] + nameLen := int(d[1])<<8 | int(d[2]) + d = d[3:] + if len(d) < nameLen { + return false + } + if nameType == 0 { + m.serverName = string(d[0:nameLen]) + break + } + d = d[nameLen:] + } + case extensionNextProtoNeg: + if length > 0 { + return false + } + m.nextProtoNeg = true + case extensionStatusRequest: + m.ocspStapling = length > 0 && data[0] == statusTypeOCSP + case extensionSupportedCurves: + // http://tools.ietf.org/html/rfc4492#section-5.5.1 + if length < 2 { + return false + } + l := int(data[0])<<8 | int(data[1]) + if l%2 == 1 || length != l+2 { + return false + } + numCurves := l / 2 + m.supportedCurves = make([]uint16, numCurves) + d := data[2:] + for i := 0; i < numCurves; i++ { + m.supportedCurves[i] = uint16(d[0])<<8 | uint16(d[1]) + d = d[2:] + } + case extensionSupportedPoints: + // http://tools.ietf.org/html/rfc4492#section-5.5.2 + if length < 1 { + return false + } + l := int(data[0]) + if length != l+1 { + return false + } + m.supportedPoints = make([]uint8, l) + copy(m.supportedPoints, data[1:]) + } + data = data[length:] + } + + return true +} + +type serverHelloMsg struct { + raw []byte + vers uint16 + random []byte + sessionId []byte + cipherSuite uint16 + compressionMethod uint8 + nextProtoNeg bool + nextProtos []string + ocspStapling bool +} + +func (m *serverHelloMsg) equal(i interface{}) bool { + m1, ok := i.(*serverHelloMsg) + if !ok { + return false + } + + return bytes.Equal(m.raw, m1.raw) && + m.vers == m1.vers && + bytes.Equal(m.random, m1.random) && + bytes.Equal(m.sessionId, m1.sessionId) && + m.cipherSuite == m1.cipherSuite && + m.compressionMethod == m1.compressionMethod && + m.nextProtoNeg == m1.nextProtoNeg && + eqStrings(m.nextProtos, m1.nextProtos) && + m.ocspStapling == m1.ocspStapling +} + +func (m *serverHelloMsg) marshal() []byte { + if m.raw != nil { + return m.raw + } + + length := 38 + len(m.sessionId) + numExtensions := 0 + extensionsLength := 0 + + nextProtoLen := 0 + if m.nextProtoNeg { + numExtensions++ + for _, v := range m.nextProtos { + nextProtoLen += len(v) + } + nextProtoLen += len(m.nextProtos) + extensionsLength += nextProtoLen + } + if m.ocspStapling { + numExtensions++ + } + if numExtensions > 0 { + extensionsLength += 4 * numExtensions + length += 2 + extensionsLength + } + + x := make([]byte, 4+length) + x[0] = typeServerHello + x[1] = uint8(length >> 16) + x[2] = uint8(length >> 8) + x[3] = uint8(length) + x[4] = uint8(m.vers >> 8) + x[5] = uint8(m.vers) + copy(x[6:38], m.random) + x[38] = uint8(len(m.sessionId)) + copy(x[39:39+len(m.sessionId)], m.sessionId) + z := x[39+len(m.sessionId):] + z[0] = uint8(m.cipherSuite >> 8) + z[1] = uint8(m.cipherSuite) + z[2] = uint8(m.compressionMethod) + + z = z[3:] + if numExtensions > 0 { + z[0] = byte(extensionsLength >> 8) + z[1] = byte(extensionsLength) + z = z[2:] + } + if m.nextProtoNeg { + z[0] = byte(extensionNextProtoNeg >> 8) + z[1] = byte(extensionNextProtoNeg) + z[2] = byte(nextProtoLen >> 8) + z[3] = byte(nextProtoLen) + z = z[4:] + + for _, v := range m.nextProtos { + l := len(v) + if l > 255 { + l = 255 + } + z[0] = byte(l) + copy(z[1:], []byte(v[0:l])) + z = z[1+l:] + } + } + if m.ocspStapling { + z[0] = byte(extensionStatusRequest >> 8) + z[1] = byte(extensionStatusRequest) + z = z[4:] + } + + m.raw = x + + return x +} + +func (m *serverHelloMsg) unmarshal(data []byte) bool { + if len(data) < 42 { + return false + } + m.raw = data + m.vers = uint16(data[4])<<8 | uint16(data[5]) + m.random = data[6:38] + sessionIdLen := int(data[38]) + if sessionIdLen > 32 || len(data) < 39+sessionIdLen { + return false + } + m.sessionId = data[39 : 39+sessionIdLen] + data = data[39+sessionIdLen:] + if len(data) < 3 { + return false + } + m.cipherSuite = uint16(data[0])<<8 | uint16(data[1]) + m.compressionMethod = data[2] + data = data[3:] + + m.nextProtoNeg = false + m.nextProtos = nil + m.ocspStapling = false + + if len(data) == 0 { + // ServerHello is optionally followed by extension data + return true + } + if len(data) < 2 { + return false + } + + extensionsLength := int(data[0])<<8 | int(data[1]) + data = data[2:] + if len(data) != extensionsLength { + return false + } + + for len(data) != 0 { + if len(data) < 4 { + return false + } + extension := uint16(data[0])<<8 | uint16(data[1]) + length := int(data[2])<<8 | int(data[3]) + data = data[4:] + if len(data) < length { + return false + } + + switch extension { + case extensionNextProtoNeg: + m.nextProtoNeg = true + d := data + for len(d) > 0 { + l := int(d[0]) + d = d[1:] + if l == 0 || l > len(d) { + return false + } + m.nextProtos = append(m.nextProtos, string(d[0:l])) + d = d[l:] + } + case extensionStatusRequest: + if length > 0 { + return false + } + m.ocspStapling = true + } + data = data[length:] + } + + return true +} + +type certificateMsg struct { + raw []byte + certificates [][]byte +} + +func (m *certificateMsg) equal(i interface{}) bool { + m1, ok := i.(*certificateMsg) + if !ok { + return false + } + + return bytes.Equal(m.raw, m1.raw) && + eqByteSlices(m.certificates, m1.certificates) +} + +func (m *certificateMsg) marshal() (x []byte) { + if m.raw != nil { + return m.raw + } + + var i int + for _, slice := range m.certificates { + i += len(slice) + } + + length := 3 + 3*len(m.certificates) + i + x = make([]byte, 4+length) + x[0] = typeCertificate + x[1] = uint8(length >> 16) + x[2] = uint8(length >> 8) + x[3] = uint8(length) + + certificateOctets := length - 3 + x[4] = uint8(certificateOctets >> 16) + x[5] = uint8(certificateOctets >> 8) + x[6] = uint8(certificateOctets) + + y := x[7:] + for _, slice := range m.certificates { + y[0] = uint8(len(slice) >> 16) + y[1] = uint8(len(slice) >> 8) + y[2] = uint8(len(slice)) + copy(y[3:], slice) + y = y[3+len(slice):] + } + + m.raw = x + return +} + +func (m *certificateMsg) unmarshal(data []byte) bool { + if len(data) < 7 { + return false + } + + m.raw = data + certsLen := uint32(data[4])<<16 | uint32(data[5])<<8 | uint32(data[6]) + if uint32(len(data)) != certsLen+7 { + return false + } + + numCerts := 0 + d := data[7:] + for certsLen > 0 { + if len(d) < 4 { + return false + } + certLen := uint32(d[0])<<16 | uint32(d[1])<<8 | uint32(d[2]) + if uint32(len(d)) < 3+certLen { + return false + } + d = d[3+certLen:] + certsLen -= 3 + certLen + numCerts++ + } + + m.certificates = make([][]byte, numCerts) + d = data[7:] + for i := 0; i < numCerts; i++ { + certLen := uint32(d[0])<<16 | uint32(d[1])<<8 | uint32(d[2]) + m.certificates[i] = d[3 : 3+certLen] + d = d[3+certLen:] + } + + return true +} + +type serverKeyExchangeMsg struct { + raw []byte + key []byte +} + +func (m *serverKeyExchangeMsg) equal(i interface{}) bool { + m1, ok := i.(*serverKeyExchangeMsg) + if !ok { + return false + } + + return bytes.Equal(m.raw, m1.raw) && + bytes.Equal(m.key, m1.key) +} + +func (m *serverKeyExchangeMsg) marshal() []byte { + if m.raw != nil { + return m.raw + } + length := len(m.key) + x := make([]byte, length+4) + x[0] = typeServerKeyExchange + x[1] = uint8(length >> 16) + x[2] = uint8(length >> 8) + x[3] = uint8(length) + copy(x[4:], m.key) + + m.raw = x + return x +} + +func (m *serverKeyExchangeMsg) unmarshal(data []byte) bool { + m.raw = data + if len(data) < 4 { + return false + } + m.key = data[4:] + return true +} + +type certificateStatusMsg struct { + raw []byte + statusType uint8 + response []byte +} + +func (m *certificateStatusMsg) equal(i interface{}) bool { + m1, ok := i.(*certificateStatusMsg) + if !ok { + return false + } + + return bytes.Equal(m.raw, m1.raw) && + m.statusType == m1.statusType && + bytes.Equal(m.response, m1.response) +} + +func (m *certificateStatusMsg) marshal() []byte { + if m.raw != nil { + return m.raw + } + + var x []byte + if m.statusType == statusTypeOCSP { + x = make([]byte, 4+4+len(m.response)) + x[0] = typeCertificateStatus + l := len(m.response) + 4 + x[1] = byte(l >> 16) + x[2] = byte(l >> 8) + x[3] = byte(l) + x[4] = statusTypeOCSP + + l -= 4 + x[5] = byte(l >> 16) + x[6] = byte(l >> 8) + x[7] = byte(l) + copy(x[8:], m.response) + } else { + x = []byte{typeCertificateStatus, 0, 0, 1, m.statusType} + } + + m.raw = x + return x +} + +func (m *certificateStatusMsg) unmarshal(data []byte) bool { + m.raw = data + if len(data) < 5 { + return false + } + m.statusType = data[4] + + m.response = nil + if m.statusType == statusTypeOCSP { + if len(data) < 8 { + return false + } + respLen := uint32(data[5])<<16 | uint32(data[6])<<8 | uint32(data[7]) + if uint32(len(data)) != 4+4+respLen { + return false + } + m.response = data[8:] + } + return true +} + +type serverHelloDoneMsg struct{} + +func (m *serverHelloDoneMsg) equal(i interface{}) bool { + _, ok := i.(*serverHelloDoneMsg) + return ok +} + +func (m *serverHelloDoneMsg) marshal() []byte { + x := make([]byte, 4) + x[0] = typeServerHelloDone + return x +} + +func (m *serverHelloDoneMsg) unmarshal(data []byte) bool { + return len(data) == 4 +} + +type clientKeyExchangeMsg struct { + raw []byte + ciphertext []byte +} + +func (m *clientKeyExchangeMsg) equal(i interface{}) bool { + m1, ok := i.(*clientKeyExchangeMsg) + if !ok { + return false + } + + return bytes.Equal(m.raw, m1.raw) && + bytes.Equal(m.ciphertext, m1.ciphertext) +} + +func (m *clientKeyExchangeMsg) marshal() []byte { + if m.raw != nil { + return m.raw + } + length := len(m.ciphertext) + x := make([]byte, length+4) + x[0] = typeClientKeyExchange + x[1] = uint8(length >> 16) + x[2] = uint8(length >> 8) + x[3] = uint8(length) + copy(x[4:], m.ciphertext) + + m.raw = x + return x +} + +func (m *clientKeyExchangeMsg) unmarshal(data []byte) bool { + m.raw = data + if len(data) < 4 { + return false + } + l := int(data[1])<<16 | int(data[2])<<8 | int(data[3]) + if l != len(data)-4 { + return false + } + m.ciphertext = data[4:] + return true +} + +type finishedMsg struct { + raw []byte + verifyData []byte +} + +func (m *finishedMsg) equal(i interface{}) bool { + m1, ok := i.(*finishedMsg) + if !ok { + return false + } + + return bytes.Equal(m.raw, m1.raw) && + bytes.Equal(m.verifyData, m1.verifyData) +} + +func (m *finishedMsg) marshal() (x []byte) { + if m.raw != nil { + return m.raw + } + + x = make([]byte, 4+len(m.verifyData)) + x[0] = typeFinished + x[3] = byte(len(m.verifyData)) + copy(x[4:], m.verifyData) + m.raw = x + return +} + +func (m *finishedMsg) unmarshal(data []byte) bool { + m.raw = data + if len(data) < 4 { + return false + } + m.verifyData = data[4:] + return true +} + +type nextProtoMsg struct { + raw []byte + proto string +} + +func (m *nextProtoMsg) equal(i interface{}) bool { + m1, ok := i.(*nextProtoMsg) + if !ok { + return false + } + + return bytes.Equal(m.raw, m1.raw) && + m.proto == m1.proto +} + +func (m *nextProtoMsg) marshal() []byte { + if m.raw != nil { + return m.raw + } + l := len(m.proto) + if l > 255 { + l = 255 + } + + padding := 32 - (l+2)%32 + length := l + padding + 2 + x := make([]byte, length+4) + x[0] = typeNextProtocol + x[1] = uint8(length >> 16) + x[2] = uint8(length >> 8) + x[3] = uint8(length) + + y := x[4:] + y[0] = byte(l) + copy(y[1:], []byte(m.proto[0:l])) + y = y[1+l:] + y[0] = byte(padding) + + m.raw = x + + return x +} + +func (m *nextProtoMsg) unmarshal(data []byte) bool { + m.raw = data + + if len(data) < 5 { + return false + } + data = data[4:] + protoLen := int(data[0]) + data = data[1:] + if len(data) < protoLen { + return false + } + m.proto = string(data[0:protoLen]) + data = data[protoLen:] + + if len(data) < 1 { + return false + } + paddingLen := int(data[0]) + data = data[1:] + if len(data) != paddingLen { + return false + } + + return true +} + +type certificateRequestMsg struct { + raw []byte + certificateTypes []byte + certificateAuthorities [][]byte +} + +func (m *certificateRequestMsg) equal(i interface{}) bool { + m1, ok := i.(*certificateRequestMsg) + if !ok { + return false + } + + return bytes.Equal(m.raw, m1.raw) && + bytes.Equal(m.certificateTypes, m1.certificateTypes) && + eqByteSlices(m.certificateAuthorities, m1.certificateAuthorities) +} + +func (m *certificateRequestMsg) marshal() (x []byte) { + if m.raw != nil { + return m.raw + } + + // See http://tools.ietf.org/html/rfc4346#section-7.4.4 + length := 1 + len(m.certificateTypes) + 2 + casLength := 0 + for _, ca := range m.certificateAuthorities { + casLength += 2 + len(ca) + } + length += casLength + + x = make([]byte, 4+length) + x[0] = typeCertificateRequest + x[1] = uint8(length >> 16) + x[2] = uint8(length >> 8) + x[3] = uint8(length) + + x[4] = uint8(len(m.certificateTypes)) + + copy(x[5:], m.certificateTypes) + y := x[5+len(m.certificateTypes):] + y[0] = uint8(casLength >> 8) + y[1] = uint8(casLength) + y = y[2:] + for _, ca := range m.certificateAuthorities { + y[0] = uint8(len(ca) >> 8) + y[1] = uint8(len(ca)) + y = y[2:] + copy(y, ca) + y = y[len(ca):] + } + + m.raw = x + return +} + +func (m *certificateRequestMsg) unmarshal(data []byte) bool { + m.raw = data + + if len(data) < 5 { + return false + } + + length := uint32(data[1])<<16 | uint32(data[2])<<8 | uint32(data[3]) + if uint32(len(data))-4 != length { + return false + } + + numCertTypes := int(data[4]) + data = data[5:] + if numCertTypes == 0 || len(data) <= numCertTypes { + return false + } + + m.certificateTypes = make([]byte, numCertTypes) + if copy(m.certificateTypes, data) != numCertTypes { + return false + } + + data = data[numCertTypes:] + + if len(data) < 2 { + return false + } + casLength := uint16(data[0])<<8 | uint16(data[1]) + data = data[2:] + if len(data) < int(casLength) { + return false + } + cas := make([]byte, casLength) + copy(cas, data) + data = data[casLength:] + + m.certificateAuthorities = nil + for len(cas) > 0 { + if len(cas) < 2 { + return false + } + caLen := uint16(cas[0])<<8 | uint16(cas[1]) + cas = cas[2:] + + if len(cas) < int(caLen) { + return false + } + + m.certificateAuthorities = append(m.certificateAuthorities, cas[:caLen]) + cas = cas[caLen:] + } + if len(data) > 0 { + return false + } + + return true +} + +type certificateVerifyMsg struct { + raw []byte + signature []byte +} + +func (m *certificateVerifyMsg) equal(i interface{}) bool { + m1, ok := i.(*certificateVerifyMsg) + if !ok { + return false + } + + return bytes.Equal(m.raw, m1.raw) && + bytes.Equal(m.signature, m1.signature) +} + +func (m *certificateVerifyMsg) marshal() (x []byte) { + if m.raw != nil { + return m.raw + } + + // See http://tools.ietf.org/html/rfc4346#section-7.4.8 + siglength := len(m.signature) + length := 2 + siglength + x = make([]byte, 4+length) + x[0] = typeCertificateVerify + x[1] = uint8(length >> 16) + x[2] = uint8(length >> 8) + x[3] = uint8(length) + x[4] = uint8(siglength >> 8) + x[5] = uint8(siglength) + copy(x[6:], m.signature) + + m.raw = x + + return +} + +func (m *certificateVerifyMsg) unmarshal(data []byte) bool { + m.raw = data + + if len(data) < 6 { + return false + } + + length := uint32(data[1])<<16 | uint32(data[2])<<8 | uint32(data[3]) + if uint32(len(data))-4 != length { + return false + } + + siglength := int(data[4])<<8 + int(data[5]) + if len(data)-6 != siglength { + return false + } + + m.signature = data[6:] + + return true +} + +func eqUint16s(x, y []uint16) bool { + if len(x) != len(y) { + return false + } + for i, v := range x { + if y[i] != v { + return false + } + } + return true +} + +func eqStrings(x, y []string) bool { + if len(x) != len(y) { + return false + } + for i, v := range x { + if y[i] != v { + return false + } + } + return true +} + +func eqByteSlices(x, y [][]byte) bool { + if len(x) != len(y) { + return false + } + for i, v := range x { + if !bytes.Equal(v, y[i]) { + return false + } + } + return true +} diff --git a/gcc-4.7/libgo/go/crypto/tls/handshake_messages_test.go b/gcc-4.7/libgo/go/crypto/tls/handshake_messages_test.go new file mode 100644 index 000000000..e62a9d581 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/handshake_messages_test.go @@ -0,0 +1,209 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "math/rand" + "reflect" + "testing" + "testing/quick" +) + +var tests = []interface{}{ + &clientHelloMsg{}, + &serverHelloMsg{}, + &finishedMsg{}, + + &certificateMsg{}, + &certificateRequestMsg{}, + &certificateVerifyMsg{}, + &certificateStatusMsg{}, + &clientKeyExchangeMsg{}, + &nextProtoMsg{}, +} + +type testMessage interface { + marshal() []byte + unmarshal([]byte) bool + equal(interface{}) bool +} + +func TestMarshalUnmarshal(t *testing.T) { + rand := rand.New(rand.NewSource(0)) + + for i, iface := range tests { + ty := reflect.ValueOf(iface).Type() + + n := 100 + if testing.Short() { + n = 5 + } + for j := 0; j < n; j++ { + v, ok := quick.Value(ty, rand) + if !ok { + t.Errorf("#%d: failed to create value", i) + break + } + + m1 := v.Interface().(testMessage) + marshaled := m1.marshal() + m2 := iface.(testMessage) + if !m2.unmarshal(marshaled) { + t.Errorf("#%d failed to unmarshal %#v %x", i, m1, marshaled) + break + } + m2.marshal() // to fill any marshal cache in the message + + if !m1.equal(m2) { + t.Errorf("#%d got:%#v want:%#v %x", i, m2, m1, marshaled) + break + } + + if i >= 3 { + // The first three message types (ClientHello, + // ServerHello and Finished) are allowed to + // have parsable prefixes because the extension + // data is optional and the length of the + // Finished varies across versions. + for j := 0; j < len(marshaled); j++ { + if m2.unmarshal(marshaled[0:j]) { + t.Errorf("#%d unmarshaled a prefix of length %d of %#v", i, j, m1) + break + } + } + } + } + } +} + +func TestFuzz(t *testing.T) { + rand := rand.New(rand.NewSource(0)) + for _, iface := range tests { + m := iface.(testMessage) + + for j := 0; j < 1000; j++ { + len := rand.Intn(100) + bytes := randomBytes(len, rand) + // This just looks for crashes due to bounds errors etc. + m.unmarshal(bytes) + } + } +} + +func randomBytes(n int, rand *rand.Rand) []byte { + r := make([]byte, n) + for i := 0; i < n; i++ { + r[i] = byte(rand.Int31()) + } + return r +} + +func randomString(n int, rand *rand.Rand) string { + b := randomBytes(n, rand) + return string(b) +} + +func (*clientHelloMsg) Generate(rand *rand.Rand, size int) reflect.Value { + m := &clientHelloMsg{} + m.vers = uint16(rand.Intn(65536)) + m.random = randomBytes(32, rand) + m.sessionId = randomBytes(rand.Intn(32), rand) + m.cipherSuites = make([]uint16, rand.Intn(63)+1) + for i := 0; i < len(m.cipherSuites); i++ { + m.cipherSuites[i] = uint16(rand.Int31()) + } + m.compressionMethods = randomBytes(rand.Intn(63)+1, rand) + if rand.Intn(10) > 5 { + m.nextProtoNeg = true + } + if rand.Intn(10) > 5 { + m.serverName = randomString(rand.Intn(255), rand) + } + m.ocspStapling = rand.Intn(10) > 5 + m.supportedPoints = randomBytes(rand.Intn(5)+1, rand) + m.supportedCurves = make([]uint16, rand.Intn(5)+1) + for i := range m.supportedCurves { + m.supportedCurves[i] = uint16(rand.Intn(30000)) + } + + return reflect.ValueOf(m) +} + +func (*serverHelloMsg) Generate(rand *rand.Rand, size int) reflect.Value { + m := &serverHelloMsg{} + m.vers = uint16(rand.Intn(65536)) + m.random = randomBytes(32, rand) + m.sessionId = randomBytes(rand.Intn(32), rand) + m.cipherSuite = uint16(rand.Int31()) + m.compressionMethod = uint8(rand.Intn(256)) + + if rand.Intn(10) > 5 { + m.nextProtoNeg = true + + n := rand.Intn(10) + m.nextProtos = make([]string, n) + for i := 0; i < n; i++ { + m.nextProtos[i] = randomString(20, rand) + } + } + + return reflect.ValueOf(m) +} + +func (*certificateMsg) Generate(rand *rand.Rand, size int) reflect.Value { + m := &certificateMsg{} + numCerts := rand.Intn(20) + m.certificates = make([][]byte, numCerts) + for i := 0; i < numCerts; i++ { + m.certificates[i] = randomBytes(rand.Intn(10)+1, rand) + } + return reflect.ValueOf(m) +} + +func (*certificateRequestMsg) Generate(rand *rand.Rand, size int) reflect.Value { + m := &certificateRequestMsg{} + m.certificateTypes = randomBytes(rand.Intn(5)+1, rand) + numCAs := rand.Intn(100) + m.certificateAuthorities = make([][]byte, numCAs) + for i := 0; i < numCAs; i++ { + m.certificateAuthorities[i] = randomBytes(rand.Intn(15)+1, rand) + } + return reflect.ValueOf(m) +} + +func (*certificateVerifyMsg) Generate(rand *rand.Rand, size int) reflect.Value { + m := &certificateVerifyMsg{} + m.signature = randomBytes(rand.Intn(15)+1, rand) + return reflect.ValueOf(m) +} + +func (*certificateStatusMsg) Generate(rand *rand.Rand, size int) reflect.Value { + m := &certificateStatusMsg{} + if rand.Intn(10) > 5 { + m.statusType = statusTypeOCSP + m.response = randomBytes(rand.Intn(10)+1, rand) + } else { + m.statusType = 42 + } + return reflect.ValueOf(m) +} + +func (*clientKeyExchangeMsg) Generate(rand *rand.Rand, size int) reflect.Value { + m := &clientKeyExchangeMsg{} + m.ciphertext = randomBytes(rand.Intn(1000)+1, rand) + return reflect.ValueOf(m) +} + +func (*finishedMsg) Generate(rand *rand.Rand, size int) reflect.Value { + m := &finishedMsg{} + m.verifyData = randomBytes(12, rand) + return reflect.ValueOf(m) +} + +func (*nextProtoMsg) Generate(rand *rand.Rand, size int) reflect.Value { + m := &nextProtoMsg{} + m.proto = randomString(rand.Intn(255), rand) + return reflect.ValueOf(m) +} diff --git a/gcc-4.7/libgo/go/crypto/tls/handshake_server.go b/gcc-4.7/libgo/go/crypto/tls/handshake_server.go new file mode 100644 index 000000000..76adc540c --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/handshake_server.go @@ -0,0 +1,352 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "crypto" + "crypto/rsa" + "crypto/subtle" + "crypto/x509" + "errors" + "io" +) + +func (c *Conn) serverHandshake() error { + config := c.config + msg, err := c.readHandshake() + if err != nil { + return err + } + clientHello, ok := msg.(*clientHelloMsg) + if !ok { + return c.sendAlert(alertUnexpectedMessage) + } + vers, ok := mutualVersion(clientHello.vers) + if !ok { + return c.sendAlert(alertProtocolVersion) + } + c.vers = vers + c.haveVers = true + + finishedHash := newFinishedHash(vers) + finishedHash.Write(clientHello.marshal()) + + hello := new(serverHelloMsg) + + supportedCurve := false +Curves: + for _, curve := range clientHello.supportedCurves { + switch curve { + case curveP256, curveP384, curveP521: + supportedCurve = true + break Curves + } + } + + supportedPointFormat := false + for _, pointFormat := range clientHello.supportedPoints { + if pointFormat == pointFormatUncompressed { + supportedPointFormat = true + break + } + } + + ellipticOk := supportedCurve && supportedPointFormat + + var suite *cipherSuite +FindCipherSuite: + for _, id := range clientHello.cipherSuites { + for _, supported := range config.cipherSuites() { + if id == supported { + var candidate *cipherSuite + + for _, s := range cipherSuites { + if s.id == id { + candidate = s + break + } + } + if candidate == nil { + continue + } + // Don't select a ciphersuite which we can't + // support for this client. + if candidate.elliptic && !ellipticOk { + continue + } + suite = candidate + break FindCipherSuite + } + } + } + + foundCompression := false + // We only support null compression, so check that the client offered it. + for _, compression := range clientHello.compressionMethods { + if compression == compressionNone { + foundCompression = true + break + } + } + + if suite == nil || !foundCompression { + return c.sendAlert(alertHandshakeFailure) + } + + hello.vers = vers + hello.cipherSuite = suite.id + t := uint32(config.time().Unix()) + hello.random = make([]byte, 32) + hello.random[0] = byte(t >> 24) + hello.random[1] = byte(t >> 16) + hello.random[2] = byte(t >> 8) + hello.random[3] = byte(t) + _, err = io.ReadFull(config.rand(), hello.random[4:]) + if err != nil { + return c.sendAlert(alertInternalError) + } + hello.compressionMethod = compressionNone + if clientHello.nextProtoNeg { + hello.nextProtoNeg = true + hello.nextProtos = config.NextProtos + } + + if len(config.Certificates) == 0 { + return c.sendAlert(alertInternalError) + } + cert := &config.Certificates[0] + if len(clientHello.serverName) > 0 { + c.serverName = clientHello.serverName + cert = config.getCertificateForName(clientHello.serverName) + } + + if clientHello.ocspStapling && len(cert.OCSPStaple) > 0 { + hello.ocspStapling = true + } + + finishedHash.Write(hello.marshal()) + c.writeRecord(recordTypeHandshake, hello.marshal()) + + certMsg := new(certificateMsg) + certMsg.certificates = cert.Certificate + finishedHash.Write(certMsg.marshal()) + c.writeRecord(recordTypeHandshake, certMsg.marshal()) + + if hello.ocspStapling { + certStatus := new(certificateStatusMsg) + certStatus.statusType = statusTypeOCSP + certStatus.response = cert.OCSPStaple + finishedHash.Write(certStatus.marshal()) + c.writeRecord(recordTypeHandshake, certStatus.marshal()) + } + + keyAgreement := suite.ka() + skx, err := keyAgreement.generateServerKeyExchange(config, cert, clientHello, hello) + if err != nil { + c.sendAlert(alertHandshakeFailure) + return err + } + if skx != nil { + finishedHash.Write(skx.marshal()) + c.writeRecord(recordTypeHandshake, skx.marshal()) + } + + if config.ClientAuth >= RequestClientCert { + // Request a client certificate + certReq := new(certificateRequestMsg) + certReq.certificateTypes = []byte{certTypeRSASign} + + // An empty list of certificateAuthorities signals to + // the client that it may send any certificate in response + // to our request. When we know the CAs we trust, then + // we can send them down, so that the client can choose + // an appropriate certificate to give to us. + if config.ClientCAs != nil { + certReq.certificateAuthorities = config.ClientCAs.Subjects() + } + finishedHash.Write(certReq.marshal()) + c.writeRecord(recordTypeHandshake, certReq.marshal()) + } + + helloDone := new(serverHelloDoneMsg) + finishedHash.Write(helloDone.marshal()) + c.writeRecord(recordTypeHandshake, helloDone.marshal()) + + var pub *rsa.PublicKey // public key for client auth, if any + + msg, err = c.readHandshake() + if err != nil { + return err + } + + // If we requested a client certificate, then the client must send a + // certificate message, even if it's empty. + if config.ClientAuth >= RequestClientCert { + if certMsg, ok = msg.(*certificateMsg); !ok { + return c.sendAlert(alertHandshakeFailure) + } + finishedHash.Write(certMsg.marshal()) + + if len(certMsg.certificates) == 0 { + // The client didn't actually send a certificate + switch config.ClientAuth { + case RequireAnyClientCert, RequireAndVerifyClientCert: + c.sendAlert(alertBadCertificate) + return errors.New("tls: client didn't provide a certificate") + } + } + + certs := make([]*x509.Certificate, len(certMsg.certificates)) + for i, asn1Data := range certMsg.certificates { + if certs[i], err = x509.ParseCertificate(asn1Data); err != nil { + c.sendAlert(alertBadCertificate) + return errors.New("tls: failed to parse client certificate: " + err.Error()) + } + } + + if c.config.ClientAuth >= VerifyClientCertIfGiven && len(certs) > 0 { + opts := x509.VerifyOptions{ + Roots: c.config.ClientCAs, + CurrentTime: c.config.time(), + Intermediates: x509.NewCertPool(), + } + + for i, cert := range certs { + if i == 0 { + continue + } + opts.Intermediates.AddCert(cert) + } + + chains, err := certs[0].Verify(opts) + if err != nil { + c.sendAlert(alertBadCertificate) + return errors.New("tls: failed to verify client's certificate: " + err.Error()) + } + + ok := false + for _, ku := range certs[0].ExtKeyUsage { + if ku == x509.ExtKeyUsageClientAuth { + ok = true + break + } + } + if !ok { + c.sendAlert(alertHandshakeFailure) + return errors.New("tls: client's certificate's extended key usage doesn't permit it to be used for client authentication") + } + + c.verifiedChains = chains + } + + if len(certs) > 0 { + if pub, ok = certs[0].PublicKey.(*rsa.PublicKey); !ok { + return c.sendAlert(alertUnsupportedCertificate) + } + c.peerCertificates = certs + } + + msg, err = c.readHandshake() + if err != nil { + return err + } + } + + // Get client key exchange + ckx, ok := msg.(*clientKeyExchangeMsg) + if !ok { + return c.sendAlert(alertUnexpectedMessage) + } + finishedHash.Write(ckx.marshal()) + + // If we received a client cert in response to our certificate request message, + // the client will send us a certificateVerifyMsg immediately after the + // clientKeyExchangeMsg. This message is a MD5SHA1 digest of all preceding + // handshake-layer messages that is signed using the private key corresponding + // to the client's certificate. This allows us to verify that the client is in + // possession of the private key of the certificate. + if len(c.peerCertificates) > 0 { + msg, err = c.readHandshake() + if err != nil { + return err + } + certVerify, ok := msg.(*certificateVerifyMsg) + if !ok { + return c.sendAlert(alertUnexpectedMessage) + } + + digest := make([]byte, 0, 36) + digest = finishedHash.serverMD5.Sum(digest) + digest = finishedHash.serverSHA1.Sum(digest) + err = rsa.VerifyPKCS1v15(pub, crypto.MD5SHA1, digest, certVerify.signature) + if err != nil { + c.sendAlert(alertBadCertificate) + return errors.New("could not validate signature of connection nonces: " + err.Error()) + } + + finishedHash.Write(certVerify.marshal()) + } + + preMasterSecret, err := keyAgreement.processClientKeyExchange(config, cert, ckx, c.vers) + if err != nil { + c.sendAlert(alertHandshakeFailure) + return err + } + + masterSecret, clientMAC, serverMAC, clientKey, serverKey, clientIV, serverIV := + keysFromPreMasterSecret(c.vers, preMasterSecret, clientHello.random, hello.random, suite.macLen, suite.keyLen, suite.ivLen) + + clientCipher := suite.cipher(clientKey, clientIV, true /* for reading */) + clientHash := suite.mac(c.vers, clientMAC) + c.in.prepareCipherSpec(c.vers, clientCipher, clientHash) + c.readRecord(recordTypeChangeCipherSpec) + if err := c.error(); err != nil { + return err + } + + if hello.nextProtoNeg { + msg, err = c.readHandshake() + if err != nil { + return err + } + nextProto, ok := msg.(*nextProtoMsg) + if !ok { + return c.sendAlert(alertUnexpectedMessage) + } + finishedHash.Write(nextProto.marshal()) + c.clientProtocol = nextProto.proto + } + + msg, err = c.readHandshake() + if err != nil { + return err + } + clientFinished, ok := msg.(*finishedMsg) + if !ok { + return c.sendAlert(alertUnexpectedMessage) + } + + verify := finishedHash.clientSum(masterSecret) + if len(verify) != len(clientFinished.verifyData) || + subtle.ConstantTimeCompare(verify, clientFinished.verifyData) != 1 { + return c.sendAlert(alertHandshakeFailure) + } + + finishedHash.Write(clientFinished.marshal()) + + serverCipher := suite.cipher(serverKey, serverIV, false /* not for reading */) + serverHash := suite.mac(c.vers, serverMAC) + c.out.prepareCipherSpec(c.vers, serverCipher, serverHash) + c.writeRecord(recordTypeChangeCipherSpec, []byte{1}) + + finished := new(finishedMsg) + finished.verifyData = finishedHash.serverSum(masterSecret) + c.writeRecord(recordTypeHandshake, finished.marshal()) + + c.handshakeComplete = true + c.cipherSuite = suite.id + + return nil +} diff --git a/gcc-4.7/libgo/go/crypto/tls/handshake_server_test.go b/gcc-4.7/libgo/go/crypto/tls/handshake_server_test.go new file mode 100644 index 000000000..7c1267101 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/handshake_server_test.go @@ -0,0 +1,1720 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "bytes" + "crypto/rsa" + "crypto/x509" + "encoding/hex" + "encoding/pem" + "flag" + "io" + "log" + "math/big" + "net" + "strconv" + "strings" + "testing" + "time" +) + +type zeroSource struct{} + +func (zeroSource) Read(b []byte) (n int, err error) { + for i := range b { + b[i] = 0 + } + + return len(b), nil +} + +var testConfig *Config + +func init() { + testConfig = new(Config) + testConfig.Time = func() time.Time { return time.Unix(0, 0) } + testConfig.Rand = zeroSource{} + testConfig.Certificates = make([]Certificate, 2) + testConfig.Certificates[0].Certificate = [][]byte{testCertificate} + testConfig.Certificates[0].PrivateKey = testPrivateKey + testConfig.Certificates[1].Certificate = [][]byte{testSNICertificate} + testConfig.Certificates[1].PrivateKey = testPrivateKey + testConfig.BuildNameToCertificate() + testConfig.CipherSuites = []uint16{TLS_RSA_WITH_RC4_128_SHA} + testConfig.InsecureSkipVerify = true +} + +func testClientHelloFailure(t *testing.T, m handshakeMessage, expected error) { + // Create in-memory network connection, + // send message to server. Should return + // expected error. + c, s := net.Pipe() + go func() { + cli := Client(c, testConfig) + if ch, ok := m.(*clientHelloMsg); ok { + cli.vers = ch.vers + } + cli.writeRecord(recordTypeHandshake, m.marshal()) + c.Close() + }() + err := Server(s, testConfig).Handshake() + s.Close() + if e, ok := err.(*net.OpError); !ok || e.Err != expected { + t.Errorf("Got error: %s; expected: %s", err, expected) + } +} + +func TestSimpleError(t *testing.T) { + testClientHelloFailure(t, &serverHelloDoneMsg{}, alertUnexpectedMessage) +} + +var badProtocolVersions = []uint16{0x0000, 0x0005, 0x0100, 0x0105, 0x0200, 0x0205} + +func TestRejectBadProtocolVersion(t *testing.T) { + for _, v := range badProtocolVersions { + testClientHelloFailure(t, &clientHelloMsg{vers: v}, alertProtocolVersion) + } +} + +func TestNoSuiteOverlap(t *testing.T) { + clientHello := &clientHelloMsg{nil, 0x0301, nil, nil, []uint16{0xff00}, []uint8{0}, false, "", false, nil, nil} + testClientHelloFailure(t, clientHello, alertHandshakeFailure) + +} + +func TestNoCompressionOverlap(t *testing.T) { + clientHello := &clientHelloMsg{nil, 0x0301, nil, nil, []uint16{TLS_RSA_WITH_RC4_128_SHA}, []uint8{0xff}, false, "", false, nil, nil} + testClientHelloFailure(t, clientHello, alertHandshakeFailure) +} + +func TestAlertForwarding(t *testing.T) { + c, s := net.Pipe() + go func() { + Client(c, testConfig).sendAlert(alertUnknownCA) + c.Close() + }() + + err := Server(s, testConfig).Handshake() + s.Close() + if e, ok := err.(*net.OpError); !ok || e.Err != error(alertUnknownCA) { + t.Errorf("Got error: %s; expected: %s", err, alertUnknownCA) + } +} + +func TestClose(t *testing.T) { + c, s := net.Pipe() + go c.Close() + + err := Server(s, testConfig).Handshake() + s.Close() + if err != io.EOF { + t.Errorf("Got error: %s; expected: %s", err, io.EOF) + } +} + +func testServerScript(t *testing.T, name string, serverScript [][]byte, config *Config, peers []*x509.Certificate) { + c, s := net.Pipe() + srv := Server(s, config) + pchan := make(chan []*x509.Certificate, 1) + go func() { + srv.Write([]byte("hello, world\n")) + srv.Close() + s.Close() + st := srv.ConnectionState() + pchan <- st.PeerCertificates + }() + + for i, b := range serverScript { + if i%2 == 0 { + c.Write(b) + continue + } + bb := make([]byte, len(b)) + n, err := io.ReadFull(c, bb) + if err != nil { + t.Fatalf("%s #%d: %s\nRead %d, wanted %d, got %x, wanted %x\n", name, i, err, n, len(bb), bb[:n], b) + } + if !bytes.Equal(b, bb) { + t.Fatalf("%s #%d: mismatch on read: got:%x want:%x", name, i, bb, b) + } + } + c.Close() + + if peers != nil { + gotpeers := <-pchan + if len(peers) == len(gotpeers) { + for i := range peers { + if !peers[i].Equal(gotpeers[i]) { + t.Fatalf("%s: mismatch on peer cert %d", name, i) + } + } + } else { + t.Fatalf("%s: mismatch on peer list length: %d (wanted) != %d (got)", name, len(peers), len(gotpeers)) + } + } +} + +func TestHandshakeServerRC4(t *testing.T) { + testServerScript(t, "RC4", rc4ServerScript, testConfig, nil) +} + +func TestHandshakeServer3DES(t *testing.T) { + des3Config := new(Config) + *des3Config = *testConfig + des3Config.CipherSuites = []uint16{TLS_RSA_WITH_3DES_EDE_CBC_SHA} + testServerScript(t, "3DES", des3ServerScript, des3Config, nil) +} + +func TestHandshakeServerAES(t *testing.T) { + aesConfig := new(Config) + *aesConfig = *testConfig + aesConfig.CipherSuites = []uint16{TLS_RSA_WITH_AES_128_CBC_SHA} + testServerScript(t, "AES", aesServerScript, aesConfig, nil) +} + +func TestHandshakeServerSSLv3(t *testing.T) { + testServerScript(t, "SSLv3", sslv3ServerScript, testConfig, nil) +} + +// TestHandshakeServerSNI involves a client sending an SNI extension of +// "snitest.com", which happens to match the CN of testSNICertificate. The test +// verifies that the server correctly selects that certificate. +func TestHandshakeServerSNI(t *testing.T) { + testServerScript(t, "SNI", selectCertificateBySNIScript, testConfig, nil) +} + +type clientauthTest struct { + name string + clientauth ClientAuthType + peers []*x509.Certificate + script [][]byte +} + +func TestClientAuth(t *testing.T) { + for _, cat := range clientauthTests { + t.Log("running", cat.name) + cfg := new(Config) + *cfg = *testConfig + cfg.ClientAuth = cat.clientauth + testServerScript(t, cat.name, cat.script, cfg, cat.peers) + } +} + +var serve = flag.Bool("serve", false, "run a TLS server on :10443") +var testCipherSuites = flag.String("ciphersuites", + "0x"+strconv.FormatInt(int64(TLS_RSA_WITH_RC4_128_SHA), 16), + "cipher suites to accept in serving mode") +var testClientAuth = flag.Int("clientauth", 0, "value for tls.Config.ClientAuth") + +func TestRunServer(t *testing.T) { + if !*serve { + return + } + + suites := strings.Split(*testCipherSuites, ",") + testConfig.CipherSuites = make([]uint16, len(suites)) + for i := range suites { + suite, err := strconv.ParseUint(suites[i], 0, 64) + if err != nil { + panic(err) + } + testConfig.CipherSuites[i] = uint16(suite) + } + + testConfig.ClientAuth = ClientAuthType(*testClientAuth) + + l, err := Listen("tcp", ":10443", testConfig) + if err != nil { + t.Fatal(err) + } + + for { + c, err := l.Accept() + if err != nil { + log.Printf("error from TLS handshake: %s", err) + break + } + + _, err = c.Write([]byte("hello, world\n")) + if err != nil { + log.Printf("error from TLS: %s", err) + continue + } + + st := c.(*Conn).ConnectionState() + if len(st.PeerCertificates) > 0 { + log.Print("Handling request from client ", st.PeerCertificates[0].Subject.CommonName) + } else { + log.Print("Handling request from anon client") + } + + c.Close() + } +} + +func bigFromString(s string) *big.Int { + ret := new(big.Int) + ret.SetString(s, 10) + return ret +} + +func fromHex(s string) []byte { + b, _ := hex.DecodeString(s) + return b +} + +var testCertificate = fromHex("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") + +var testSNICertificate = fromHex("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") + +var testPrivateKey = &rsa.PrivateKey{ + PublicKey: rsa.PublicKey{ + N: bigFromString("131650079503776001033793877885499001334664249354723305978524647182322416328664556247316495448366990052837680518067798333412266673813370895702118944398081598789828837447552603077848001020611640547221687072142537202428102790818451901395596882588063427854225330436740647715202971973145151161964464812406232198521"), + E: 65537, + }, + D: bigFromString("29354450337804273969007277378287027274721892607543397931919078829901848876371746653677097639302788129485893852488285045793268732234230875671682624082413996177431586734171663258657462237320300610850244186316880055243099640544518318093544057213190320837094958164973959123058337475052510833916491060913053867729"), + Primes: []*big.Int{ + bigFromString("11969277782311800166562047708379380720136961987713178380670422671426759650127150688426177829077494755200794297055316163155755835813760102405344560929062149"), + bigFromString("10998999429884441391899182616418192492905073053684657075974935218461686523870125521822756579792315215543092255516093840728890783887287417039645833477273829"), + }, +} + +func loadPEMCert(in string) *x509.Certificate { + block, _ := pem.Decode([]byte(in)) + if block.Type == "CERTIFICATE" && len(block.Headers) == 0 { + cert, err := x509.ParseCertificate(block.Bytes) + if err == nil { + return cert + } + panic("error parsing cert") + } + panic("error parsing PEM") +} + +// Script of interaction with gnutls implementation. +// The values for this test are obtained by building and running in server mode: +// % go test -run "TestRunServer" -serve +// and then: +// % gnutls-cli --insecure --debug 100 -p 10443 localhost > /tmp/log 2>&1 +// % python parse-gnutls-cli-debug-log.py < /tmp/log +var rc4ServerScript = [][]byte{ + { + 0x16, 0x03, 0x02, 0x00, 0x7a, 0x01, 0x00, 0x00, + 0x76, 0x03, 0x02, 0x4e, 0xdd, 0xe6, 0xa5, 0xf7, + 0x00, 0x36, 0xf7, 0x83, 0xec, 0x93, 0x7c, 0xd2, + 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0xe8, 0x92, 0x74, 0x4c, 0xab, 0x36, 0xc8, 0x17, + 0x5f, 0x02, 0x8a, 0x20, 0x53, 0xe9, 0x1d, 0xb4, + 0xfe, 0x5c, 0x2b, 0xd9, 0x0a, 0xfb, 0xc6, 0x63, + }, + + { + 0x14, 0x03, 0x00, 0x00, 0x01, 0x01, 0x16, 0x03, + 0x00, 0x00, 0x3c, 0xaa, 0xa1, 0x98, 0xc4, 0x6b, + 0x5a, 0x16, 0x3f, 0x5f, 0xa4, 0x96, 0x3e, 0x78, + 0xe4, 0x6f, 0x49, 0x05, 0x47, 0xc4, 0x05, 0x60, + 0xeb, 0x0b, 0x45, 0xe3, 0xbc, 0x50, 0x11, 0x24, + 0x5f, 0x01, 0xd7, 0xb8, 0x8f, 0x60, 0x63, 0x66, + 0xbd, 0x3e, 0xd9, 0xa8, 0x80, 0x43, 0x9f, 0x0b, + 0x51, 0x61, 0xed, 0x13, 0xc6, 0x21, 0xd0, 0xfe, + 0xbc, 0x17, 0x3c, 0x36, 0xb0, 0x82, 0x7f, 0x17, + 0x03, 0x00, 0x00, 0x21, 0xee, 0x44, 0xf3, 0xa6, + 0x88, 0x9d, 0x78, 0x44, 0xde, 0xdf, 0xeb, 0xc5, + 0xad, 0xc4, 0xcc, 0x56, 0x5c, 0x54, 0x96, 0x52, + 0x3f, 0xd9, 0x40, 0x6e, 0x79, 0xd8, 0x58, 0x78, + 0x4f, 0x5a, 0xe9, 0x06, 0xef, 0x15, 0x03, 0x00, + 0x00, 0x16, 0xd3, 0xc2, 0x52, 0x99, 0x2a, 0x84, + 0xc4, 0x52, 0x5f, 0x3b, 0x19, 0xe7, 0xfc, 0x65, + 0xaf, 0xd3, 0xb7, 0xa3, 0xcc, 0x4a, 0x1d, 0x2e, + }, +} + +var selectCertificateBySNIScript = [][]byte{ + { + 0x16, 0x03, 0x01, 0x00, 0x6e, 0x01, 0x00, 0x00, + 0x6a, 0x03, 0x01, 0x4f, 0x85, 0xc4, 0xc2, 0xb9, + 0x39, 0x80, 0x91, 0x66, 0x65, 0x56, 0x8e, 0xdd, + 0x48, 0xe9, 0xca, 0x34, 0x02, 0x3c, 0xaf, 0x0d, + 0x73, 0xb5, 0x2a, 0x05, 0x6e, 0xbd, 0x5e, 0x8f, + 0x38, 0xf9, 0xe5, 0x00, 0x00, 0x28, 0x00, 0x39, + 0x00, 0x38, 0x00, 0x35, 0x00, 0x16, 0x00, 0x13, + 0x00, 0x0a, 0x00, 0x33, 0x00, 0x32, 0x00, 0x2f, + 0x00, 0x05, 0x00, 0x04, 0x00, 0x15, 0x00, 0x12, + 0x00, 0x09, 0x00, 0x14, 0x00, 0x11, 0x00, 0x08, + 0x00, 0x06, 0x00, 0x03, 0x00, 0xff, 0x02, 0x01, + 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x10, 0x00, + 0x0e, 0x00, 0x00, 0x0b, 0x73, 0x6e, 0x69, 0x74, + 0x65, 0x73, 0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x00, + 0x23, 0x00, 0x00, + }, + { + 0x16, 0x03, 0x01, 0x00, 0x2a, 0x02, 0x00, 0x00, + 0x26, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x16, + 0x03, 0x01, 0x02, 0x00, 0x0b, 0x00, 0x01, 0xfc, + 0x00, 0x01, 0xf9, 0x00, 0x01, 0xf6, 0x30, 0x82, + 0x01, 0xf2, 0x30, 0x82, 0x01, 0x5d, 0xa0, 0x03, + 0x02, 0x01, 0x02, 0x02, 0x01, 0x00, 0x30, 0x0b, + 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, + 0x01, 0x01, 0x05, 0x30, 0x28, 0x31, 0x10, 0x30, + 0x0e, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x07, + 0x41, 0x63, 0x6d, 0x65, 0x20, 0x43, 0x6f, 0x31, + 0x14, 0x30, 0x12, 0x06, 0x03, 0x55, 0x04, 0x03, + 0x13, 0x0b, 0x73, 0x6e, 0x69, 0x74, 0x65, 0x73, + 0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x1e, 0x17, + 0x0d, 0x31, 0x32, 0x30, 0x34, 0x31, 0x31, 0x31, + 0x37, 0x34, 0x30, 0x33, 0x35, 0x5a, 0x17, 0x0d, + 0x31, 0x33, 0x30, 0x34, 0x31, 0x31, 0x31, 0x37, + 0x34, 0x35, 0x33, 0x35, 0x5a, 0x30, 0x28, 0x31, + 0x10, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x04, 0x0a, + 0x13, 0x07, 0x41, 0x63, 0x6d, 0x65, 0x20, 0x43, + 0x6f, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55, + 0x04, 0x03, 0x13, 0x0b, 0x73, 0x6e, 0x69, 0x74, + 0x65, 0x73, 0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x30, + 0x81, 0x9d, 0x30, 0x0b, 0x06, 0x09, 0x2a, 0x86, + 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x03, + 0x81, 0x8d, 0x00, 0x30, 0x81, 0x89, 0x02, 0x81, + 0x81, 0x00, 0xbb, 0x79, 0xd6, 0xf5, 0x17, 0xb5, + 0xe5, 0xbf, 0x46, 0x10, 0xd0, 0xdc, 0x69, 0xbe, + 0xe6, 0x2b, 0x07, 0x43, 0x5a, 0xd0, 0x03, 0x2d, + 0x8a, 0x7a, 0x43, 0x85, 0xb7, 0x14, 0x52, 0xe7, + 0xa5, 0x65, 0x4c, 0x2c, 0x78, 0xb8, 0x23, 0x8c, + 0xb5, 0xb4, 0x82, 0xe5, 0xde, 0x1f, 0x95, 0x3b, + 0x7e, 0x62, 0xa5, 0x2c, 0xa5, 0x33, 0xd6, 0xfe, + 0x12, 0x5c, 0x7a, 0x56, 0xfc, 0xf5, 0x06, 0xbf, + 0xfa, 0x58, 0x7b, 0x26, 0x3f, 0xb5, 0xcd, 0x04, + 0xd3, 0xd0, 0xc9, 0x21, 0x96, 0x4a, 0xc7, 0xf4, + 0x54, 0x9f, 0x5a, 0xbf, 0xef, 0x42, 0x71, 0x00, + 0xfe, 0x18, 0x99, 0x07, 0x7f, 0x7e, 0x88, 0x7d, + 0x7d, 0xf1, 0x04, 0x39, 0xc4, 0xa2, 0x2e, 0xdb, + 0x51, 0xc9, 0x7c, 0xe3, 0xc0, 0x4c, 0x3b, 0x32, + 0x66, 0x01, 0xcf, 0xaf, 0xb1, 0x1d, 0xb8, 0x71, + 0x9a, 0x1d, 0xdb, 0xdb, 0x89, 0x6b, 0xae, 0xda, + 0x2d, 0x79, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, + 0x32, 0x30, 0x30, 0x30, 0x0e, 0x06, 0x03, 0x55, + 0x1d, 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03, + 0x02, 0x00, 0xa0, 0x30, 0x0d, 0x06, 0x03, 0x55, + 0x1d, 0x0e, 0x04, 0x06, 0x04, 0x04, 0x01, 0x02, + 0x03, 0x04, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x1d, + 0x23, 0x04, 0x08, 0x30, 0x06, 0x80, 0x04, 0x01, + 0x02, 0x03, 0x04, 0x30, 0x0b, 0x06, 0x09, 0x2a, + 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, + 0x03, 0x81, 0x81, 0x00, 0x89, 0xc6, 0x45, 0x5f, + 0x1c, 0x1f, 0x5e, 0xf8, 0xeb, 0x1a, 0xb1, 0x74, + 0xee, 0x24, 0x39, 0x05, 0x9f, 0x5c, 0x42, 0x59, + 0xbb, 0x1a, 0x8d, 0x86, 0xcd, 0xb1, 0xd0, 0x56, + 0xf5, 0x6a, 0x71, 0x7d, 0xa4, 0x0e, 0x95, 0xab, + 0x90, 0xf5, 0x9e, 0x8d, 0xea, 0xf6, 0x27, 0xc1, + 0x57, 0x99, 0x50, 0x94, 0xdb, 0x08, 0x02, 0x26, + 0x6e, 0xb3, 0x4f, 0xc6, 0x84, 0x2d, 0xea, 0x8a, + 0x4b, 0x68, 0xd9, 0xc1, 0x38, 0x91, 0x03, 0xab, + 0x84, 0xfb, 0x9e, 0x1f, 0x85, 0xd9, 0xb5, 0xd2, + 0x3f, 0xf2, 0x31, 0x2c, 0x86, 0x70, 0xfb, 0xb5, + 0x40, 0x14, 0x82, 0x45, 0xa4, 0xeb, 0xaf, 0xe2, + 0x64, 0xd9, 0x0c, 0x8a, 0x4c, 0xf4, 0xf8, 0x5b, + 0x0f, 0xac, 0x12, 0xac, 0x2f, 0xc4, 0xa3, 0x15, + 0x4b, 0xad, 0x52, 0x46, 0x28, 0x68, 0xaf, 0x96, + 0xc6, 0x2c, 0x65, 0x25, 0xd6, 0x52, 0xb6, 0xe3, + 0x18, 0x45, 0xbd, 0xcc, 0x16, 0x03, 0x01, 0x00, + 0x04, 0x0e, 0x00, 0x00, 0x00, + }, + { + 0x16, 0x03, 0x01, 0x00, 0x86, 0x10, 0x00, 0x00, + 0x82, 0x00, 0x80, 0x70, 0x1d, 0x34, 0x75, 0xa2, + 0xe7, 0xe3, 0x2f, 0x3d, 0xc1, 0x1d, 0xca, 0x0b, + 0xe3, 0x64, 0xb9, 0x1a, 0x00, 0x69, 0xc4, 0x14, + 0x05, 0x07, 0x7e, 0xc3, 0x51, 0x43, 0x52, 0x66, + 0xe3, 0xbd, 0xff, 0x1b, 0x1a, 0x6a, 0x84, 0xf2, + 0x07, 0x24, 0xd7, 0x12, 0xa8, 0x58, 0xcf, 0x8a, + 0x50, 0x30, 0xe8, 0xc8, 0xb2, 0xf9, 0x58, 0x1c, + 0x56, 0x53, 0x76, 0x21, 0xe0, 0x03, 0x7f, 0x77, + 0xa7, 0xf1, 0xad, 0x67, 0xd4, 0xe2, 0x8f, 0xa0, + 0x58, 0x6c, 0xe0, 0x28, 0x59, 0xf3, 0xd1, 0x53, + 0x2b, 0x21, 0xbd, 0xa3, 0x84, 0x31, 0x73, 0xbf, + 0x84, 0x0f, 0x83, 0xf4, 0xc4, 0xd0, 0xe5, 0x3c, + 0x2d, 0x3e, 0xf2, 0x8a, 0x1e, 0xe7, 0xe9, 0x1f, + 0x12, 0x13, 0xad, 0x29, 0xd6, 0x0c, 0xc7, 0xc6, + 0x05, 0x53, 0x7d, 0x5e, 0xc6, 0x92, 0x72, 0xba, + 0xd2, 0x93, 0x8f, 0x53, 0x84, 0x87, 0x44, 0x05, + 0x9f, 0x5d, 0x66, 0x14, 0x03, 0x01, 0x00, 0x01, + 0x01, 0x16, 0x03, 0x01, 0x00, 0x24, 0xfc, 0x71, + 0xaa, 0xa8, 0x37, 0xa8, 0xbd, 0x63, 0xb7, 0xbc, + 0x95, 0xef, 0x0c, 0xcf, 0x39, 0x31, 0x93, 0xe6, + 0x86, 0xbd, 0x3f, 0x56, 0x9d, 0xf0, 0xb2, 0xb5, + 0xd1, 0xa7, 0xc6, 0x45, 0x89, 0x18, 0xfb, 0xa0, + 0x7f, 0xc1, + }, + { + 0x14, 0x03, 0x01, 0x00, 0x01, 0x01, 0x16, 0x03, + 0x01, 0x00, 0x24, 0xb8, 0x6d, 0x9a, 0x90, 0x3c, + 0x45, 0xe0, 0xff, 0x63, 0xba, 0xab, 0x3d, 0x7a, + 0xa6, 0x49, 0x5a, 0x13, 0xdc, 0x0e, 0xa3, 0xba, + 0x7f, 0x04, 0x19, 0x45, 0xfd, 0xfb, 0xbd, 0x00, + 0xa3, 0xa7, 0x78, 0x81, 0x38, 0x9f, 0x10, 0x17, + 0x03, 0x01, 0x00, 0x21, 0x43, 0xc3, 0x91, 0xb7, + 0xbf, 0x50, 0x0b, 0x04, 0xb4, 0x5d, 0xc6, 0x20, + 0x64, 0xb8, 0x01, 0x09, 0x25, 0x2c, 0x03, 0x30, + 0xc0, 0x77, 0xc9, 0x5e, 0xe6, 0xe0, 0x99, 0xdc, + 0xcd, 0x75, 0x9d, 0x51, 0x82, 0x15, 0x03, 0x01, + 0x00, 0x16, 0x2d, 0x7a, 0x89, 0x7b, 0x36, 0x85, + 0x2a, 0x93, 0xcb, 0x83, 0xa7, 0x2f, 0x9e, 0x91, + 0xfc, 0xad, 0x57, 0xca, 0xf5, 0xbc, 0x13, 0x2f, + }, +} + +var clientauthTests = []clientauthTest{ + // Server doesn't asks for cert + // go test -run "TestRunServer" -serve -clientauth 0 + // gnutls-cli --insecure --debug 100 -p 10443 localhost 2>&1 | + // python parse-gnutls-cli-debug-log.py + {"NoClientCert", NoClientCert, nil, + [][]byte{{ + 0x16, 0x03, 0x02, 0x00, 0x7a, 0x01, 0x00, 0x00, + 0x76, 0x03, 0x02, 0x4e, 0xe0, 0x92, 0x5d, 0xcd, + 0xfe, 0x0c, 0x69, 0xd4, 0x7d, 0x8e, 0xa6, 0x88, + 0xde, 0x72, 0x04, 0x29, 0x6a, 0x4a, 0x16, 0x23, + 0xd7, 0x8f, 0xbc, 0xfa, 0x80, 0x73, 0x2e, 0x12, + 0xb7, 0x0b, 0x39, 0x00, 0x00, 0x34, 0x00, 0x33, + 0x00, 0x45, 0x00, 0x39, 0x00, 0x88, 0x00, 0x16, + 0x00, 0x32, 0x00, 0x44, 0x00, 0x38, 0x00, 0x87, + 0x00, 0x13, 0x00, 0x66, 0x00, 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0x3e, 0xee, 0xb7, 0x4d, 0x69, + }}}, + // Server asks for cert with empty CA list, client doesn't give it. + // go test -run "TestRunServer" -serve -clientauth 1 + // gnutls-cli --insecure --debug 100 -p 10443 localhost + {"RequestClientCert, none given", RequestClientCert, nil, + [][]byte{{ + 0x16, 0x03, 0x02, 0x00, 0x7a, 0x01, 0x00, 0x00, + 0x76, 0x03, 0x02, 0x4e, 0xe0, 0x93, 0xe2, 0x47, + 0x06, 0xa0, 0x61, 0x0c, 0x51, 0xdd, 0xf0, 0xef, + 0xf4, 0x30, 0x72, 0xe1, 0xa6, 0x50, 0x68, 0x82, + 0x3c, 0xfb, 0xcb, 0x72, 0x5e, 0x73, 0x9d, 0xda, + 0x27, 0x35, 0x72, 0x00, 0x00, 0x34, 0x00, 0x33, + 0x00, 0x45, 0x00, 0x39, 0x00, 0x88, 0x00, 0x16, + 0x00, 0x32, 0x00, 0x44, 0x00, 0x38, 0x00, 0x87, + 0x00, 0x13, 0x00, 0x66, 0x00, 0x90, 0x00, 0x91, + 0x00, 0x8f, 0x00, 0x8e, 0x00, 0x2f, 0x00, 0x41, + 0x00, 0x35, 0x00, 0x84, 0x00, 0x0a, 0x00, 0x05, + 0x00, 0x04, 0x00, 0x8c, 0x00, 0x8d, 0x00, 0x8b, + 0x00, 0x8a, 0x01, 0x00, 0x00, 0x19, 0x00, 0x09, + 0x00, 0x03, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x0e, 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"TestRunServer" -serve -clientauth 1 + // gnutls-cli --insecure --debug 100 -p 10443 localhost + {"RequestClientCert, client gives it", RequestClientCert, + []*x509.Certificate{clientCertificate}, + [][]byte{{ + 0x16, 0x03, 0x02, 0x00, 0x7a, 0x01, 0x00, 0x00, + 0x76, 0x03, 0x02, 0x4e, 0xe7, 0x44, 0xda, 0x58, + 0x7d, 0x46, 0x4a, 0x48, 0x97, 0x9f, 0xe5, 0x91, + 0x11, 0x64, 0xa7, 0x1e, 0x4d, 0xb7, 0xfe, 0x9b, + 0xc6, 0x63, 0xf8, 0xa4, 0xb5, 0x0b, 0x18, 0xb5, + 0xbd, 0x19, 0xb3, 0x00, 0x00, 0x34, 0x00, 0x33, + 0x00, 0x45, 0x00, 0x39, 0x00, 0x88, 0x00, 0x16, + 0x00, 0x32, 0x00, 0x44, 0x00, 0x38, 0x00, 0x87, + 0x00, 0x13, 0x00, 0x66, 0x00, 0x90, 0x00, 0x91, + 0x00, 0x8f, 0x00, 0x8e, 0x00, 0x2f, 0x00, 0x41, + 0x00, 0x35, 0x00, 0x84, 0x00, 0x0a, 0x00, 0x05, + 0x00, 0x04, 0x00, 0x8c, 0x00, 0x8d, 0x00, 0x8b, + 0x00, 0x8a, 0x01, 0x00, 0x00, 0x19, 0x00, 0x09, + 0x00, 0x03, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x0e, 0x00, 0x0c, 0x00, 0x00, 0x09, 0x6c, 0x6f, + 0x63, 0x61, 0x6c, 0x68, 0x6f, 0x73, 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0x82, 0x00, 0x80, 0x44, 0x7f, + 0xa2, 0x59, 0x60, 0x0b, 0x5a, 0xc4, 0xaf, 0x1e, + 0x60, 0xa5, 0x24, 0xea, 0xc1, 0xc3, 0x22, 0x21, + 0x6b, 0x22, 0x8b, 0x2a, 0x11, 0x82, 0x68, 0x7d, + 0xb9, 0xdd, 0x9c, 0x27, 0x4c, 0xc2, 0xc8, 0xa2, + 0x8b, 0x6b, 0x77, 0x8d, 0x3a, 0x2b, 0x8d, 0x2f, + 0x6a, 0x2b, 0x43, 0xd2, 0xd1, 0xc6, 0x41, 0x79, + 0xa2, 0x4f, 0x2b, 0xc2, 0xf7, 0xb2, 0x10, 0xad, + 0xa6, 0x01, 0x51, 0x51, 0x25, 0xe7, 0x58, 0x7a, + 0xcf, 0x3b, 0xc4, 0x29, 0xb5, 0xe5, 0xa7, 0x83, + 0xe6, 0xcb, 0x1e, 0xf3, 0x02, 0x0f, 0x53, 0x3b, + 0xb5, 0x39, 0xef, 0x9c, 0x42, 0xe0, 0xa6, 0x9b, + 0x2b, 0xdd, 0x60, 0xae, 0x0a, 0x73, 0x35, 0xbe, + 0x26, 0x10, 0x1b, 0xe9, 0xe9, 0x61, 0xab, 0x20, + 0xa5, 0x48, 0xc6, 0x60, 0xa6, 0x50, 0x3c, 0xfb, + 0xa7, 0xca, 0xb0, 0x80, 0x95, 0x1e, 0xce, 0xc7, + 0xbb, 0x68, 0x44, 0xdc, 0x0e, 0x0e, 0x14, 0x03, + 0x01, 0x00, 0x01, 0x01, 0x16, 0x03, 0x01, 0x00, + 0x24, 0xb6, 0xcd, 0x0c, 0x78, 0xfd, 0xd6, 0xff, + 0xbe, 0x97, 0xd5, 0x0a, 0x7d, 0x4f, 0xa1, 0x03, + 0x78, 0xc8, 0x61, 0x6f, 0xf2, 0x4b, 0xa8, 0x56, + 0x4f, 0x3c, 0xa2, 0xd9, 0xd0, 0x20, 0x13, 0x1b, + 0x8b, 0x36, 0xb7, 0x33, 0x9c, + }, + + { + 0x14, 0x03, 0x01, 0x00, 0x01, 0x01, 0x16, 0x03, + 0x01, 0x00, 0x24, 0xa3, 0x43, 0x94, 0xe7, 0xdf, + 0xb6, 0xc3, 0x03, 0x9f, 0xc1, 0x59, 0x0c, 0xc3, + 0x13, 0xae, 0xed, 0xcf, 0xff, 0xf1, 0x80, 0xf3, + 0x13, 0x63, 0x1c, 0xf0, 0xca, 0xad, 0x9e, 0x71, + 0x46, 0x5f, 0x6b, 0xeb, 0x10, 0x3f, 0xe3, 0x17, + 0x03, 0x01, 0x00, 0x21, 0xe9, 0x80, 0x95, 0x6e, + 0x05, 0x55, 0x2f, 0xed, 0x4d, 0xde, 0x17, 0x3a, + 0x32, 0x9b, 0x2a, 0x74, 0x30, 0x4f, 0xe0, 0x9f, + 0x4e, 0xd3, 0x06, 0xbd, 0x3a, 0x43, 0x75, 0x8b, + 0x5b, 0x9a, 0xd8, 0x2e, 0x56, 0x15, 0x03, 0x01, + 0x00, 0x16, 0x53, 0xf5, 0xff, 0xe0, 0xa1, 0x6c, + 0x33, 0xf4, 0x4e, 0x89, 0x68, 0xe1, 0xf7, 0x61, + 0x13, 0xb3, 0x12, 0xa1, 0x8e, 0x5a, 0x7a, 0x02, + }, + }, + }, +} + +// cert.pem and key.pem were generated with generate_cert.go +// Thus, they have no ExtKeyUsage fields and trigger an error +// when verification is turned on. + +var clientCertificate = loadPEMCert(` +-----BEGIN CERTIFICATE----- +MIIB7TCCAVigAwIBAgIBADALBgkqhkiG9w0BAQUwJjEQMA4GA1UEChMHQWNtZSBD +bzESMBAGA1UEAxMJMTI3LjAuMC4xMB4XDTExMTIwODA3NTUxMloXDTEyMTIwNzA4 +MDAxMlowJjEQMA4GA1UEChMHQWNtZSBDbzESMBAGA1UEAxMJMTI3LjAuMC4xMIGc +MAsGCSqGSIb3DQEBAQOBjAAwgYgCgYBO0Hsx44Jk2VnAwoekXh6LczPHY1PfZpIG +hPZk1Y/kNqcdK+izIDZFI7Xjla7t4PUgnI2V339aEu+H5Fto5OkOdOwEin/ekyfE +ARl6vfLcPRSr0FTKIQzQTW6HLlzF0rtNS0/Otiz3fojsfNcCkXSmHgwa2uNKWi7e +E5xMQIhZkwIDAQABozIwMDAOBgNVHQ8BAf8EBAMCAKAwDQYDVR0OBAYEBAECAwQw +DwYDVR0jBAgwBoAEAQIDBDALBgkqhkiG9w0BAQUDgYEANh+zegx1yW43RmEr1b3A +p0vMRpqBWHyFeSnIyMZn3TJWRSt1tukkqVCavh9a+hoV2cxVlXIWg7nCto/9iIw4 +hB2rXZIxE0/9gzvGnfERYraL7KtnvshksBFQRlgXa5kc0x38BvEO5ZaoDPl4ILdE +GFGNEH5PlGffo05wc46QkYU= +-----END CERTIFICATE----- +`) + +/* corresponding key.pem for cert.pem is: +-----BEGIN RSA PRIVATE KEY----- +MIICXAIBAAKBgE7QezHjgmTZWcDCh6ReHotzM8djU99mkgaE9mTVj+Q2px0r6LMg +NkUjteOVru3g9SCcjZXff1oS74fkW2jk6Q507ASKf96TJ8QBGXq98tw9FKvQVMoh +DNBNbocuXMXSu01LT862LPd+iOx81wKRdKYeDBra40paLt4TnExAiFmTAgMBAAEC +gYBxvXd8yNteFTns8A/2yomEMC4yeosJJSpp1CsN3BJ7g8/qTnrVPxBy+RU+qr63 +t2WquaOu/cr5P8iEsa6lk20tf8pjKLNXeX0b1RTzK8rJLbS7nGzP3tvOhL096VtQ +dAo4ROEaro0TzYpHmpciSvxVIeEIAAdFDObDJPKqcJAxyQJBAJizfYgK8Gzx9fsx +hxp+VteCbVPg2euASH5Yv3K5LukRdKoSzHE2grUVQgN/LafC0eZibRanxHegYSr7 +7qaswKUCQQCEIWor/X4XTMdVj3Oj+vpiw75y/S9gh682+myZL+d/02IEkwnB098P +RkKVpenBHyrGg0oeN5La7URILWKj7CPXAkBKo6F+d+phNjwIFoN1Xb/RA32w/D1I +saG9sF+UEhRt9AxUfW/U/tIQ9V0ZHHcSg1XaCM5Nvp934brdKdvTOKnJAkBD5h/3 +Rybatlvg/fzBEaJFyq09zhngkxlZOUtBVTqzl17RVvY2orgH02U4HbCHy4phxOn7 +qTdQRYlHRftgnWK1AkANibn9PRYJ7mJyJ9Dyj2QeNcSkSTzrt0tPvUMf4+meJymN +1Ntu5+S1DLLzfxlaljWG6ylW6DNxujCyuXIV2rvAMAA= +-----END RSA PRIVATE KEY----- +*/ diff --git a/gcc-4.7/libgo/go/crypto/tls/key_agreement.go b/gcc-4.7/libgo/go/crypto/tls/key_agreement.go new file mode 100644 index 000000000..b6e73fe29 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/key_agreement.go @@ -0,0 +1,253 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "crypto" + "crypto/elliptic" + "crypto/md5" + "crypto/rsa" + "crypto/sha1" + "crypto/x509" + "errors" + "io" + "math/big" +) + +// rsaKeyAgreement implements the standard TLS key agreement where the client +// encrypts the pre-master secret to the server's public key. +type rsaKeyAgreement struct{} + +func (ka rsaKeyAgreement) generateServerKeyExchange(config *Config, cert *Certificate, clientHello *clientHelloMsg, hello *serverHelloMsg) (*serverKeyExchangeMsg, error) { + return nil, nil +} + +func (ka rsaKeyAgreement) processClientKeyExchange(config *Config, cert *Certificate, ckx *clientKeyExchangeMsg, version uint16) ([]byte, error) { + preMasterSecret := make([]byte, 48) + _, err := io.ReadFull(config.rand(), preMasterSecret[2:]) + if err != nil { + return nil, err + } + + if len(ckx.ciphertext) < 2 { + return nil, errors.New("bad ClientKeyExchange") + } + + ciphertext := ckx.ciphertext + if version != versionSSL30 { + ciphertextLen := int(ckx.ciphertext[0])<<8 | int(ckx.ciphertext[1]) + if ciphertextLen != len(ckx.ciphertext)-2 { + return nil, errors.New("bad ClientKeyExchange") + } + ciphertext = ckx.ciphertext[2:] + } + + err = rsa.DecryptPKCS1v15SessionKey(config.rand(), cert.PrivateKey.(*rsa.PrivateKey), ciphertext, preMasterSecret) + if err != nil { + return nil, err + } + // We don't check the version number in the premaster secret. For one, + // by checking it, we would leak information about the validity of the + // encrypted pre-master secret. Secondly, it provides only a small + // benefit against a downgrade attack and some implementations send the + // wrong version anyway. See the discussion at the end of section + // 7.4.7.1 of RFC 4346. + return preMasterSecret, nil +} + +func (ka rsaKeyAgreement) processServerKeyExchange(config *Config, clientHello *clientHelloMsg, serverHello *serverHelloMsg, cert *x509.Certificate, skx *serverKeyExchangeMsg) error { + return errors.New("unexpected ServerKeyExchange") +} + +func (ka rsaKeyAgreement) generateClientKeyExchange(config *Config, clientHello *clientHelloMsg, cert *x509.Certificate) ([]byte, *clientKeyExchangeMsg, error) { + preMasterSecret := make([]byte, 48) + preMasterSecret[0] = byte(clientHello.vers >> 8) + preMasterSecret[1] = byte(clientHello.vers) + _, err := io.ReadFull(config.rand(), preMasterSecret[2:]) + if err != nil { + return nil, nil, err + } + + encrypted, err := rsa.EncryptPKCS1v15(config.rand(), cert.PublicKey.(*rsa.PublicKey), preMasterSecret) + if err != nil { + return nil, nil, err + } + ckx := new(clientKeyExchangeMsg) + ckx.ciphertext = make([]byte, len(encrypted)+2) + ckx.ciphertext[0] = byte(len(encrypted) >> 8) + ckx.ciphertext[1] = byte(len(encrypted)) + copy(ckx.ciphertext[2:], encrypted) + return preMasterSecret, ckx, nil +} + +// md5SHA1Hash implements TLS 1.0's hybrid hash function which consists of the +// concatenation of an MD5 and SHA1 hash. +func md5SHA1Hash(slices ...[]byte) []byte { + md5sha1 := make([]byte, md5.Size+sha1.Size) + hmd5 := md5.New() + for _, slice := range slices { + hmd5.Write(slice) + } + copy(md5sha1, hmd5.Sum(nil)) + + hsha1 := sha1.New() + for _, slice := range slices { + hsha1.Write(slice) + } + copy(md5sha1[md5.Size:], hsha1.Sum(nil)) + return md5sha1 +} + +// ecdheRSAKeyAgreement implements a TLS key agreement where the server +// generates a ephemeral EC public/private key pair and signs it. The +// pre-master secret is then calculated using ECDH. +type ecdheRSAKeyAgreement struct { + privateKey []byte + curve elliptic.Curve + x, y *big.Int +} + +func (ka *ecdheRSAKeyAgreement) generateServerKeyExchange(config *Config, cert *Certificate, clientHello *clientHelloMsg, hello *serverHelloMsg) (*serverKeyExchangeMsg, error) { + var curveid uint16 + +Curve: + for _, c := range clientHello.supportedCurves { + switch c { + case curveP256: + ka.curve = elliptic.P256() + curveid = c + break Curve + case curveP384: + ka.curve = elliptic.P384() + curveid = c + break Curve + case curveP521: + ka.curve = elliptic.P521() + curveid = c + break Curve + } + } + + if curveid == 0 { + return nil, errors.New("tls: no supported elliptic curves offered") + } + + var x, y *big.Int + var err error + ka.privateKey, x, y, err = elliptic.GenerateKey(ka.curve, config.rand()) + if err != nil { + return nil, err + } + ecdhePublic := elliptic.Marshal(ka.curve, x, y) + + // http://tools.ietf.org/html/rfc4492#section-5.4 + serverECDHParams := make([]byte, 1+2+1+len(ecdhePublic)) + serverECDHParams[0] = 3 // named curve + serverECDHParams[1] = byte(curveid >> 8) + serverECDHParams[2] = byte(curveid) + serverECDHParams[3] = byte(len(ecdhePublic)) + copy(serverECDHParams[4:], ecdhePublic) + + md5sha1 := md5SHA1Hash(clientHello.random, hello.random, serverECDHParams) + sig, err := rsa.SignPKCS1v15(config.rand(), cert.PrivateKey.(*rsa.PrivateKey), crypto.MD5SHA1, md5sha1) + if err != nil { + return nil, errors.New("failed to sign ECDHE parameters: " + err.Error()) + } + + skx := new(serverKeyExchangeMsg) + skx.key = make([]byte, len(serverECDHParams)+2+len(sig)) + copy(skx.key, serverECDHParams) + k := skx.key[len(serverECDHParams):] + k[0] = byte(len(sig) >> 8) + k[1] = byte(len(sig)) + copy(k[2:], sig) + + return skx, nil +} + +func (ka *ecdheRSAKeyAgreement) processClientKeyExchange(config *Config, cert *Certificate, ckx *clientKeyExchangeMsg, version uint16) ([]byte, error) { + if len(ckx.ciphertext) == 0 || int(ckx.ciphertext[0]) != len(ckx.ciphertext)-1 { + return nil, errors.New("bad ClientKeyExchange") + } + x, y := elliptic.Unmarshal(ka.curve, ckx.ciphertext[1:]) + if x == nil { + return nil, errors.New("bad ClientKeyExchange") + } + x, _ = ka.curve.ScalarMult(x, y, ka.privateKey) + preMasterSecret := make([]byte, (ka.curve.Params().BitSize+7)>>3) + xBytes := x.Bytes() + copy(preMasterSecret[len(preMasterSecret)-len(xBytes):], xBytes) + + return preMasterSecret, nil +} + +var errServerKeyExchange = errors.New("invalid ServerKeyExchange") + +func (ka *ecdheRSAKeyAgreement) processServerKeyExchange(config *Config, clientHello *clientHelloMsg, serverHello *serverHelloMsg, cert *x509.Certificate, skx *serverKeyExchangeMsg) error { + if len(skx.key) < 4 { + return errServerKeyExchange + } + if skx.key[0] != 3 { // named curve + return errors.New("server selected unsupported curve") + } + curveid := uint16(skx.key[1])<<8 | uint16(skx.key[2]) + + switch curveid { + case curveP256: + ka.curve = elliptic.P256() + case curveP384: + ka.curve = elliptic.P384() + case curveP521: + ka.curve = elliptic.P521() + default: + return errors.New("server selected unsupported curve") + } + + publicLen := int(skx.key[3]) + if publicLen+4 > len(skx.key) { + return errServerKeyExchange + } + ka.x, ka.y = elliptic.Unmarshal(ka.curve, skx.key[4:4+publicLen]) + if ka.x == nil { + return errServerKeyExchange + } + serverECDHParams := skx.key[:4+publicLen] + + sig := skx.key[4+publicLen:] + if len(sig) < 2 { + return errServerKeyExchange + } + sigLen := int(sig[0])<<8 | int(sig[1]) + if sigLen+2 != len(sig) { + return errServerKeyExchange + } + sig = sig[2:] + + md5sha1 := md5SHA1Hash(clientHello.random, serverHello.random, serverECDHParams) + return rsa.VerifyPKCS1v15(cert.PublicKey.(*rsa.PublicKey), crypto.MD5SHA1, md5sha1, sig) +} + +func (ka *ecdheRSAKeyAgreement) generateClientKeyExchange(config *Config, clientHello *clientHelloMsg, cert *x509.Certificate) ([]byte, *clientKeyExchangeMsg, error) { + if ka.curve == nil { + return nil, nil, errors.New("missing ServerKeyExchange message") + } + priv, mx, my, err := elliptic.GenerateKey(ka.curve, config.rand()) + if err != nil { + return nil, nil, err + } + x, _ := ka.curve.ScalarMult(ka.x, ka.y, priv) + preMasterSecret := make([]byte, (ka.curve.Params().BitSize+7)>>3) + xBytes := x.Bytes() + copy(preMasterSecret[len(preMasterSecret)-len(xBytes):], xBytes) + + serialized := elliptic.Marshal(ka.curve, mx, my) + + ckx := new(clientKeyExchangeMsg) + ckx.ciphertext = make([]byte, 1+len(serialized)) + ckx.ciphertext[0] = byte(len(serialized)) + copy(ckx.ciphertext[1:], serialized) + + return preMasterSecret, ckx, nil +} diff --git a/gcc-4.7/libgo/go/crypto/tls/prf.go b/gcc-4.7/libgo/go/crypto/tls/prf.go new file mode 100644 index 000000000..637ef03e2 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/prf.go @@ -0,0 +1,235 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "crypto/hmac" + "crypto/md5" + "crypto/sha1" + "hash" +) + +// Split a premaster secret in two as specified in RFC 4346, section 5. +func splitPreMasterSecret(secret []byte) (s1, s2 []byte) { + s1 = secret[0 : (len(secret)+1)/2] + s2 = secret[len(secret)/2:] + return +} + +// pHash implements the P_hash function, as defined in RFC 4346, section 5. +func pHash(result, secret, seed []byte, hash func() hash.Hash) { + h := hmac.New(hash, secret) + h.Write(seed) + a := h.Sum(nil) + + j := 0 + for j < len(result) { + h.Reset() + h.Write(a) + h.Write(seed) + b := h.Sum(nil) + todo := len(b) + if j+todo > len(result) { + todo = len(result) - j + } + copy(result[j:j+todo], b) + j += todo + + h.Reset() + h.Write(a) + a = h.Sum(nil) + } +} + +// pRF10 implements the TLS 1.0 pseudo-random function, as defined in RFC 2246, section 5. +func pRF10(result, secret, label, seed []byte) { + hashSHA1 := sha1.New + hashMD5 := md5.New + + labelAndSeed := make([]byte, len(label)+len(seed)) + copy(labelAndSeed, label) + copy(labelAndSeed[len(label):], seed) + + s1, s2 := splitPreMasterSecret(secret) + pHash(result, s1, labelAndSeed, hashMD5) + result2 := make([]byte, len(result)) + pHash(result2, s2, labelAndSeed, hashSHA1) + + for i, b := range result2 { + result[i] ^= b + } +} + +// pRF30 implements the SSL 3.0 pseudo-random function, as defined in +// www.mozilla.org/projects/security/pki/nss/ssl/draft302.txt section 6. +func pRF30(result, secret, label, seed []byte) { + hashSHA1 := sha1.New() + hashMD5 := md5.New() + + done := 0 + i := 0 + // RFC5246 section 6.3 says that the largest PRF output needed is 128 + // bytes. Since no more ciphersuites will be added to SSLv3, this will + // remain true. Each iteration gives us 16 bytes so 10 iterations will + // be sufficient. + var b [11]byte + for done < len(result) { + for j := 0; j <= i; j++ { + b[j] = 'A' + byte(i) + } + + hashSHA1.Reset() + hashSHA1.Write(b[:i+1]) + hashSHA1.Write(secret) + hashSHA1.Write(seed) + digest := hashSHA1.Sum(nil) + + hashMD5.Reset() + hashMD5.Write(secret) + hashMD5.Write(digest) + + done += copy(result[done:], hashMD5.Sum(nil)) + i++ + } +} + +const ( + tlsRandomLength = 32 // Length of a random nonce in TLS 1.1. + masterSecretLength = 48 // Length of a master secret in TLS 1.1. + finishedVerifyLength = 12 // Length of verify_data in a Finished message. +) + +var masterSecretLabel = []byte("master secret") +var keyExpansionLabel = []byte("key expansion") +var clientFinishedLabel = []byte("client finished") +var serverFinishedLabel = []byte("server finished") + +// keysFromPreMasterSecret generates the connection keys from the pre master +// secret, given the lengths of the MAC key, cipher key and IV, as defined in +// RFC 2246, section 6.3. +func keysFromPreMasterSecret(version uint16, preMasterSecret, clientRandom, serverRandom []byte, macLen, keyLen, ivLen int) (masterSecret, clientMAC, serverMAC, clientKey, serverKey, clientIV, serverIV []byte) { + prf := pRF10 + if version == versionSSL30 { + prf = pRF30 + } + + var seed [tlsRandomLength * 2]byte + copy(seed[0:len(clientRandom)], clientRandom) + copy(seed[len(clientRandom):], serverRandom) + masterSecret = make([]byte, masterSecretLength) + prf(masterSecret, preMasterSecret, masterSecretLabel, seed[0:]) + + copy(seed[0:len(clientRandom)], serverRandom) + copy(seed[len(serverRandom):], clientRandom) + + n := 2*macLen + 2*keyLen + 2*ivLen + keyMaterial := make([]byte, n) + prf(keyMaterial, masterSecret, keyExpansionLabel, seed[0:]) + clientMAC = keyMaterial[:macLen] + keyMaterial = keyMaterial[macLen:] + serverMAC = keyMaterial[:macLen] + keyMaterial = keyMaterial[macLen:] + clientKey = keyMaterial[:keyLen] + keyMaterial = keyMaterial[keyLen:] + serverKey = keyMaterial[:keyLen] + keyMaterial = keyMaterial[keyLen:] + clientIV = keyMaterial[:ivLen] + keyMaterial = keyMaterial[ivLen:] + serverIV = keyMaterial[:ivLen] + return +} + +func newFinishedHash(version uint16) finishedHash { + return finishedHash{md5.New(), sha1.New(), md5.New(), sha1.New(), version} +} + +// A finishedHash calculates the hash of a set of handshake messages suitable +// for including in a Finished message. +type finishedHash struct { + clientMD5 hash.Hash + clientSHA1 hash.Hash + serverMD5 hash.Hash + serverSHA1 hash.Hash + version uint16 +} + +func (h finishedHash) Write(msg []byte) (n int, err error) { + h.clientMD5.Write(msg) + h.clientSHA1.Write(msg) + h.serverMD5.Write(msg) + h.serverSHA1.Write(msg) + return len(msg), nil +} + +// finishedSum10 calculates the contents of the verify_data member of a TLSv1 +// Finished message given the MD5 and SHA1 hashes of a set of handshake +// messages. +func finishedSum10(md5, sha1, label, masterSecret []byte) []byte { + seed := make([]byte, len(md5)+len(sha1)) + copy(seed, md5) + copy(seed[len(md5):], sha1) + out := make([]byte, finishedVerifyLength) + pRF10(out, masterSecret, label, seed) + return out +} + +// finishedSum30 calculates the contents of the verify_data member of a SSLv3 +// Finished message given the MD5 and SHA1 hashes of a set of handshake +// messages. +func finishedSum30(md5, sha1 hash.Hash, masterSecret []byte, magic [4]byte) []byte { + md5.Write(magic[:]) + md5.Write(masterSecret) + md5.Write(ssl30Pad1[:]) + md5Digest := md5.Sum(nil) + + md5.Reset() + md5.Write(masterSecret) + md5.Write(ssl30Pad2[:]) + md5.Write(md5Digest) + md5Digest = md5.Sum(nil) + + sha1.Write(magic[:]) + sha1.Write(masterSecret) + sha1.Write(ssl30Pad1[:40]) + sha1Digest := sha1.Sum(nil) + + sha1.Reset() + sha1.Write(masterSecret) + sha1.Write(ssl30Pad2[:40]) + sha1.Write(sha1Digest) + sha1Digest = sha1.Sum(nil) + + ret := make([]byte, len(md5Digest)+len(sha1Digest)) + copy(ret, md5Digest) + copy(ret[len(md5Digest):], sha1Digest) + return ret +} + +var ssl3ClientFinishedMagic = [4]byte{0x43, 0x4c, 0x4e, 0x54} +var ssl3ServerFinishedMagic = [4]byte{0x53, 0x52, 0x56, 0x52} + +// clientSum returns the contents of the verify_data member of a client's +// Finished message. +func (h finishedHash) clientSum(masterSecret []byte) []byte { + if h.version == versionSSL30 { + return finishedSum30(h.clientMD5, h.clientSHA1, masterSecret, ssl3ClientFinishedMagic) + } + + md5 := h.clientMD5.Sum(nil) + sha1 := h.clientSHA1.Sum(nil) + return finishedSum10(md5, sha1, clientFinishedLabel, masterSecret) +} + +// serverSum returns the contents of the verify_data member of a server's +// Finished message. +func (h finishedHash) serverSum(masterSecret []byte) []byte { + if h.version == versionSSL30 { + return finishedSum30(h.serverMD5, h.serverSHA1, masterSecret, ssl3ServerFinishedMagic) + } + + md5 := h.serverMD5.Sum(nil) + sha1 := h.serverSHA1.Sum(nil) + return finishedSum10(md5, sha1, serverFinishedLabel, masterSecret) +} diff --git a/gcc-4.7/libgo/go/crypto/tls/prf_test.go b/gcc-4.7/libgo/go/crypto/tls/prf_test.go new file mode 100644 index 000000000..a32392cef --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/prf_test.go @@ -0,0 +1,121 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "encoding/hex" + "testing" +) + +type testSplitPreMasterSecretTest struct { + in, out1, out2 string +} + +var testSplitPreMasterSecretTests = []testSplitPreMasterSecretTest{ + {"", "", ""}, + {"00", "00", "00"}, + {"0011", "00", "11"}, + {"001122", "0011", "1122"}, + {"00112233", "0011", "2233"}, +} + +func TestSplitPreMasterSecret(t *testing.T) { + for i, test := range testSplitPreMasterSecretTests { + in, _ := hex.DecodeString(test.in) + out1, out2 := splitPreMasterSecret(in) + s1 := hex.EncodeToString(out1) + s2 := hex.EncodeToString(out2) + if s1 != test.out1 || s2 != test.out2 { + t.Errorf("#%d: got: (%s, %s) want: (%s, %s)", i, s1, s2, test.out1, test.out2) + } + } +} + +type testKeysFromTest struct { + version uint16 + preMasterSecret string + clientRandom, serverRandom string + masterSecret string + clientMAC, serverMAC string + clientKey, serverKey string + macLen, keyLen int +} + +func TestKeysFromPreMasterSecret(t *testing.T) { + for i, test := range testKeysFromTests { + in, _ := hex.DecodeString(test.preMasterSecret) + clientRandom, _ := hex.DecodeString(test.clientRandom) + serverRandom, _ := hex.DecodeString(test.serverRandom) + master, clientMAC, serverMAC, clientKey, serverKey, _, _ := keysFromPreMasterSecret(test.version, in, clientRandom, serverRandom, test.macLen, test.keyLen, 0) + masterString := hex.EncodeToString(master) + clientMACString := hex.EncodeToString(clientMAC) + serverMACString := hex.EncodeToString(serverMAC) + clientKeyString := hex.EncodeToString(clientKey) + serverKeyString := hex.EncodeToString(serverKey) + if masterString != test.masterSecret || + clientMACString != test.clientMAC || + serverMACString != test.serverMAC || + clientKeyString != test.clientKey || + serverKeyString != test.serverKey { + t.Errorf("#%d: got: (%s, %s, %s, %s, %s) want: (%s, %s, %s, %s, %s)", i, masterString, clientMACString, serverMACString, clientKeyString, serverKeyString, test.masterSecret, test.clientMAC, test.serverMAC, test.clientKey, test.serverKey) + } + } +} + +// These test vectors were generated from GnuTLS using `gnutls-cli --insecure -d 9 ` +var testKeysFromTests = []testKeysFromTest{ + { + versionTLS10, + "0302cac83ad4b1db3b9ab49ad05957de2a504a634a386fc600889321e1a971f57479466830ac3e6f468e87f5385fa0c5", + "4ae66303755184a3917fcb44880605fcc53baa01912b22ed94473fc69cebd558", + "4ae663020ec16e6bb5130be918cfcafd4d765979a3136a5d50c593446e4e44db", + "3d851bab6e5556e959a16bc36d66cfae32f672bfa9ecdef6096cbb1b23472df1da63dbbd9827606413221d149ed08ceb", + "805aaa19b3d2c0a0759a4b6c9959890e08480119", + "2d22f9fe519c075c16448305ceee209fc24ad109", + "d50b5771244f850cd8117a9ccafe2cf1", + "e076e33206b30507a85c32855acd0919", + 20, + 16, + }, + { + versionTLS10, + "03023f7527316bc12cbcd69e4b9e8275d62c028f27e65c745cfcddc7ce01bd3570a111378b63848127f1c36e5f9e4890", + "4ae66364b5ea56b20ce4e25555aed2d7e67f42788dd03f3fee4adae0459ab106", + "4ae66363ab815cbf6a248b87d6b556184e945e9b97fbdf247858b0bdafacfa1c", + "7d64be7c80c59b740200b4b9c26d0baaa1c5ae56705acbcf2307fe62beb4728c19392c83f20483801cce022c77645460", + "97742ed60a0554ca13f04f97ee193177b971e3b0", + "37068751700400e03a8477a5c7eec0813ab9e0dc", + "207cddbc600d2a200abac6502053ee5c", + "df3f94f6e1eacc753b815fe16055cd43", + 20, + 16, + }, + { + versionTLS10, + "832d515f1d61eebb2be56ba0ef79879efb9b527504abb386fb4310ed5d0e3b1f220d3bb6b455033a2773e6d8bdf951d278a187482b400d45deb88a5d5a6bb7d6a7a1decc04eb9ef0642876cd4a82d374d3b6ff35f0351dc5d411104de431375355addc39bfb1f6329fb163b0bc298d658338930d07d313cd980a7e3d9196cac1", + "4ae663b2ee389c0de147c509d8f18f5052afc4aaf9699efe8cb05ece883d3a5e", + "4ae664d503fd4cff50cfc1fb8fc606580f87b0fcdac9554ba0e01d785bdf278e", + "1aff2e7a2c4279d0126f57a65a77a8d9d0087cf2733366699bec27eb53d5740705a8574bb1acc2abbe90e44f0dd28d6c", + "3c7647c93c1379a31a609542aa44e7f117a70085", + "0d73102994be74a575a3ead8532590ca32a526d4", + "ac7581b0b6c10d85bbd905ffbf36c65e", + "ff07edde49682b45466bd2e39464b306", + 20, + 16, + }, + { + versionSSL30, + "832d515f1d61eebb2be56ba0ef79879efb9b527504abb386fb4310ed5d0e3b1f220d3bb6b455033a2773e6d8bdf951d278a187482b400d45deb88a5d5a6bb7d6a7a1decc04eb9ef0642876cd4a82d374d3b6ff35f0351dc5d411104de431375355addc39bfb1f6329fb163b0bc298d658338930d07d313cd980a7e3d9196cac1", + "4ae663b2ee389c0de147c509d8f18f5052afc4aaf9699efe8cb05ece883d3a5e", + "4ae664d503fd4cff50cfc1fb8fc606580f87b0fcdac9554ba0e01d785bdf278e", + "a614863e56299dcffeea2938f22c2ba023768dbe4b3f6877bc9c346c6ae529b51d9cb87ff9695ea4d01f2205584405b2", + "2c450d5b6f6e2013ac6bea6a0b32200d4e1ffb94", + "7a7a7438769536f2fb1ae49a61f0703b79b2dc53", + "f8f6b26c10f12855c9aafb1e0e839ccf", + "2b9d4b4a60cb7f396780ebff50650419", + 20, + 16, + }, +} diff --git a/gcc-4.7/libgo/go/crypto/tls/root_test.go b/gcc-4.7/libgo/go/crypto/tls/root_test.go new file mode 100644 index 000000000..e61c21851 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/root_test.go @@ -0,0 +1,61 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package tls + +import ( + "crypto/x509" + "runtime" + "testing" +) + +var tlsServers = []string{ + "google.com", + "github.com", + "twitter.com", +} + +func TestOSCertBundles(t *testing.T) { + if testing.Short() { + t.Logf("skipping certificate tests in short mode") + return + } + + for _, addr := range tlsServers { + conn, err := Dial("tcp", addr+":443", &Config{ServerName: addr}) + if err != nil { + t.Errorf("unable to verify %v: %v", addr, err) + continue + } + err = conn.Close() + if err != nil { + t.Error(err) + } + } +} + +func TestCertHostnameVerifyWindows(t *testing.T) { + if runtime.GOOS != "windows" { + return + } + + if testing.Short() { + t.Logf("skipping certificate tests in short mode") + return + } + + for _, addr := range tlsServers { + cfg := &Config{ServerName: "example.com"} + conn, err := Dial("tcp", addr+":443", cfg) + if err == nil { + conn.Close() + t.Errorf("should fail to verify for example.com: %v", addr) + continue + } + _, ok := err.(x509.HostnameError) + if !ok { + t.Errorf("error type mismatch, got: %v", err) + } + } +} diff --git a/gcc-4.7/libgo/go/crypto/tls/tls.go b/gcc-4.7/libgo/go/crypto/tls/tls.go new file mode 100644 index 000000000..09df5ad44 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/tls/tls.go @@ -0,0 +1,187 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package tls partially implements TLS 1.0, as specified in RFC 2246. +package tls + +import ( + "crypto/rsa" + "crypto/x509" + "encoding/pem" + "errors" + "io/ioutil" + "net" + "strings" +) + +// Server returns a new TLS server side connection +// using conn as the underlying transport. +// The configuration config must be non-nil and must have +// at least one certificate. +func Server(conn net.Conn, config *Config) *Conn { + return &Conn{conn: conn, config: config} +} + +// Client returns a new TLS client side connection +// using conn as the underlying transport. +// Client interprets a nil configuration as equivalent to +// the zero configuration; see the documentation of Config +// for the defaults. +func Client(conn net.Conn, config *Config) *Conn { + return &Conn{conn: conn, config: config, isClient: true} +} + +// A listener implements a network listener (net.Listener) for TLS connections. +type listener struct { + net.Listener + config *Config +} + +// Accept waits for and returns the next incoming TLS connection. +// The returned connection c is a *tls.Conn. +func (l *listener) Accept() (c net.Conn, err error) { + c, err = l.Listener.Accept() + if err != nil { + return + } + c = Server(c, l.config) + return +} + +// NewListener creates a Listener which accepts connections from an inner +// Listener and wraps each connection with Server. +// The configuration config must be non-nil and must have +// at least one certificate. +func NewListener(inner net.Listener, config *Config) net.Listener { + l := new(listener) + l.Listener = inner + l.config = config + return l +} + +// Listen creates a TLS listener accepting connections on the +// given network address using net.Listen. +// The configuration config must be non-nil and must have +// at least one certificate. +func Listen(network, laddr string, config *Config) (net.Listener, error) { + if config == nil || len(config.Certificates) == 0 { + return nil, errors.New("tls.Listen: no certificates in configuration") + } + l, err := net.Listen(network, laddr) + if err != nil { + return nil, err + } + return NewListener(l, config), nil +} + +// Dial connects to the given network address using net.Dial +// and then initiates a TLS handshake, returning the resulting +// TLS connection. +// Dial interprets a nil configuration as equivalent to +// the zero configuration; see the documentation of Config +// for the defaults. +func Dial(network, addr string, config *Config) (*Conn, error) { + raddr := addr + c, err := net.Dial(network, raddr) + if err != nil { + return nil, err + } + + colonPos := strings.LastIndex(raddr, ":") + if colonPos == -1 { + colonPos = len(raddr) + } + hostname := raddr[:colonPos] + + if config == nil { + config = defaultConfig() + } + // If no ServerName is set, infer the ServerName + // from the hostname we're connecting to. + if config.ServerName == "" { + // Make a copy to avoid polluting argument or default. + c := *config + c.ServerName = hostname + config = &c + } + conn := Client(c, config) + if err = conn.Handshake(); err != nil { + c.Close() + return nil, err + } + return conn, nil +} + +// LoadX509KeyPair reads and parses a public/private key pair from a pair of +// files. The files must contain PEM encoded data. +func LoadX509KeyPair(certFile, keyFile string) (cert Certificate, err error) { + certPEMBlock, err := ioutil.ReadFile(certFile) + if err != nil { + return + } + keyPEMBlock, err := ioutil.ReadFile(keyFile) + if err != nil { + return + } + return X509KeyPair(certPEMBlock, keyPEMBlock) +} + +// X509KeyPair parses a public/private key pair from a pair of +// PEM encoded data. +func X509KeyPair(certPEMBlock, keyPEMBlock []byte) (cert Certificate, err error) { + var certDERBlock *pem.Block + for { + certDERBlock, certPEMBlock = pem.Decode(certPEMBlock) + if certDERBlock == nil { + break + } + if certDERBlock.Type == "CERTIFICATE" { + cert.Certificate = append(cert.Certificate, certDERBlock.Bytes) + } + } + + if len(cert.Certificate) == 0 { + err = errors.New("crypto/tls: failed to parse certificate PEM data") + return + } + + keyDERBlock, _ := pem.Decode(keyPEMBlock) + if keyDERBlock == nil { + err = errors.New("crypto/tls: failed to parse key PEM data") + return + } + + // OpenSSL 0.9.8 generates PKCS#1 private keys by default, while + // OpenSSL 1.0.0 generates PKCS#8 keys. We try both. + var key *rsa.PrivateKey + if key, err = x509.ParsePKCS1PrivateKey(keyDERBlock.Bytes); err != nil { + var privKey interface{} + if privKey, err = x509.ParsePKCS8PrivateKey(keyDERBlock.Bytes); err != nil { + err = errors.New("crypto/tls: failed to parse key: " + err.Error()) + return + } + + var ok bool + if key, ok = privKey.(*rsa.PrivateKey); !ok { + err = errors.New("crypto/tls: found non-RSA private key in PKCS#8 wrapping") + return + } + } + + cert.PrivateKey = key + + // We don't need to parse the public key for TLS, but we so do anyway + // to check that it looks sane and matches the private key. + x509Cert, err := x509.ParseCertificate(cert.Certificate[0]) + if err != nil { + return + } + + if x509Cert.PublicKeyAlgorithm != x509.RSA || x509Cert.PublicKey.(*rsa.PublicKey).N.Cmp(key.PublicKey.N) != 0 { + err = errors.New("crypto/tls: private key does not match public key") + return + } + + return +} diff --git a/gcc-4.7/libgo/go/crypto/x509/cert_pool.go b/gcc-4.7/libgo/go/crypto/x509/cert_pool.go new file mode 100644 index 000000000..616a0b3c1 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/cert_pool.go @@ -0,0 +1,113 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package x509 + +import ( + "encoding/pem" +) + +// CertPool is a set of certificates. +type CertPool struct { + bySubjectKeyId map[string][]int + byName map[string][]int + certs []*Certificate +} + +// NewCertPool returns a new, empty CertPool. +func NewCertPool() *CertPool { + return &CertPool{ + make(map[string][]int), + make(map[string][]int), + nil, + } +} + +// findVerifiedParents attempts to find certificates in s which have signed the +// given certificate. If no such certificate can be found or the signature +// doesn't match, it returns nil. +func (s *CertPool) findVerifiedParents(cert *Certificate) (parents []int) { + if s == nil { + return + } + var candidates []int + + if len(cert.AuthorityKeyId) > 0 { + candidates = s.bySubjectKeyId[string(cert.AuthorityKeyId)] + } + if len(candidates) == 0 { + candidates = s.byName[string(cert.RawIssuer)] + } + + for _, c := range candidates { + if cert.CheckSignatureFrom(s.certs[c]) == nil { + parents = append(parents, c) + } + } + + return +} + +// AddCert adds a certificate to a pool. +func (s *CertPool) AddCert(cert *Certificate) { + if cert == nil { + panic("adding nil Certificate to CertPool") + } + + // Check that the certificate isn't being added twice. + for _, c := range s.certs { + if c.Equal(cert) { + return + } + } + + n := len(s.certs) + s.certs = append(s.certs, cert) + + if len(cert.SubjectKeyId) > 0 { + keyId := string(cert.SubjectKeyId) + s.bySubjectKeyId[keyId] = append(s.bySubjectKeyId[keyId], n) + } + name := string(cert.RawSubject) + s.byName[name] = append(s.byName[name], n) +} + +// AppendCertsFromPEM attempts to parse a series of PEM encoded certificates. +// It appends any certificates found to s and returns true if any certificates +// were successfully parsed. +// +// On many Linux systems, /etc/ssl/cert.pem will contain the system wide set +// of root CAs in a format suitable for this function. +func (s *CertPool) AppendCertsFromPEM(pemCerts []byte) (ok bool) { + for len(pemCerts) > 0 { + var block *pem.Block + block, pemCerts = pem.Decode(pemCerts) + if block == nil { + break + } + if block.Type != "CERTIFICATE" || len(block.Headers) != 0 { + continue + } + + cert, err := ParseCertificate(block.Bytes) + if err != nil { + continue + } + + s.AddCert(cert) + ok = true + } + + return +} + +// Subjects returns a list of the DER-encoded subjects of +// all of the certificates in the pool. +func (s *CertPool) Subjects() (res [][]byte) { + res = make([][]byte, len(s.certs)) + for i, c := range s.certs { + res[i] = c.RawSubject + } + return +} diff --git a/gcc-4.7/libgo/go/crypto/x509/pkcs1.go b/gcc-4.7/libgo/go/crypto/x509/pkcs1.go new file mode 100644 index 000000000..873d3966e --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/pkcs1.go @@ -0,0 +1,122 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package x509 + +import ( + "crypto/rsa" + "encoding/asn1" + "errors" + "math/big" +) + +// pkcs1PrivateKey is a structure which mirrors the PKCS#1 ASN.1 for an RSA private key. +type pkcs1PrivateKey struct { + Version int + N *big.Int + E int + D *big.Int + P *big.Int + Q *big.Int + // We ignore these values, if present, because rsa will calculate them. + Dp *big.Int `asn1:"optional"` + Dq *big.Int `asn1:"optional"` + Qinv *big.Int `asn1:"optional"` + + AdditionalPrimes []pkcs1AdditionalRSAPrime `asn1:"optional,omitempty"` +} + +type pkcs1AdditionalRSAPrime struct { + Prime *big.Int + + // We ignore these values because rsa will calculate them. + Exp *big.Int + Coeff *big.Int +} + +// ParsePKCS1PrivateKey returns an RSA private key from its ASN.1 PKCS#1 DER encoded form. +func ParsePKCS1PrivateKey(der []byte) (key *rsa.PrivateKey, err error) { + var priv pkcs1PrivateKey + rest, err := asn1.Unmarshal(der, &priv) + if len(rest) > 0 { + err = asn1.SyntaxError{Msg: "trailing data"} + return + } + if err != nil { + return + } + + if priv.Version > 1 { + return nil, errors.New("x509: unsupported private key version") + } + + if priv.N.Sign() <= 0 || priv.D.Sign() <= 0 || priv.P.Sign() <= 0 || priv.Q.Sign() <= 0 { + return nil, errors.New("private key contains zero or negative value") + } + + key = new(rsa.PrivateKey) + key.PublicKey = rsa.PublicKey{ + E: priv.E, + N: priv.N, + } + + key.D = priv.D + key.Primes = make([]*big.Int, 2+len(priv.AdditionalPrimes)) + key.Primes[0] = priv.P + key.Primes[1] = priv.Q + for i, a := range priv.AdditionalPrimes { + if a.Prime.Sign() <= 0 { + return nil, errors.New("private key contains zero or negative prime") + } + key.Primes[i+2] = a.Prime + // We ignore the other two values because rsa will calculate + // them as needed. + } + + err = key.Validate() + if err != nil { + return nil, err + } + key.Precompute() + + return +} + +// MarshalPKCS1PrivateKey converts a private key to ASN.1 DER encoded form. +func MarshalPKCS1PrivateKey(key *rsa.PrivateKey) []byte { + key.Precompute() + + version := 0 + if len(key.Primes) > 2 { + version = 1 + } + + priv := pkcs1PrivateKey{ + Version: version, + N: key.N, + E: key.PublicKey.E, + D: key.D, + P: key.Primes[0], + Q: key.Primes[1], + Dp: key.Precomputed.Dp, + Dq: key.Precomputed.Dq, + Qinv: key.Precomputed.Qinv, + } + + priv.AdditionalPrimes = make([]pkcs1AdditionalRSAPrime, len(key.Precomputed.CRTValues)) + for i, values := range key.Precomputed.CRTValues { + priv.AdditionalPrimes[i].Prime = key.Primes[2+i] + priv.AdditionalPrimes[i].Exp = values.Exp + priv.AdditionalPrimes[i].Coeff = values.Coeff + } + + b, _ := asn1.Marshal(priv) + return b +} + +// rsaPublicKey reflects the ASN.1 structure of a PKCS#1 public key. +type rsaPublicKey struct { + N *big.Int + E int +} diff --git a/gcc-4.7/libgo/go/crypto/x509/pkcs8.go b/gcc-4.7/libgo/go/crypto/x509/pkcs8.go new file mode 100644 index 000000000..4d8e0518e --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/pkcs8.go @@ -0,0 +1,42 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package x509 + +import ( + "crypto/x509/pkix" + "encoding/asn1" + "errors" + "fmt" +) + +// pkcs8 reflects an ASN.1, PKCS#8 PrivateKey. See +// ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-8/pkcs-8v1_2.asn. +type pkcs8 struct { + Version int + Algo pkix.AlgorithmIdentifier + PrivateKey []byte + // optional attributes omitted. +} + +// ParsePKCS8PrivateKey parses an unencrypted, PKCS#8 private key. See +// http://www.rsa.com/rsalabs/node.asp?id=2130 +func ParsePKCS8PrivateKey(der []byte) (key interface{}, err error) { + var privKey pkcs8 + if _, err := asn1.Unmarshal(der, &privKey); err != nil { + return nil, err + } + switch { + case privKey.Algo.Algorithm.Equal(oidRSA): + key, err = ParsePKCS1PrivateKey(privKey.PrivateKey) + if err != nil { + return nil, errors.New("crypto/x509: failed to parse RSA private key embedded in PKCS#8: " + err.Error()) + } + return key, nil + default: + return nil, fmt.Errorf("crypto/x509: PKCS#8 wrapping contained private key with unknown algorithm: %v", privKey.Algo.Algorithm) + } + + panic("unreachable") +} diff --git a/gcc-4.7/libgo/go/crypto/x509/pkcs8_test.go b/gcc-4.7/libgo/go/crypto/x509/pkcs8_test.go new file mode 100644 index 000000000..372005f90 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/pkcs8_test.go @@ -0,0 +1,20 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package x509 + +import ( + "encoding/hex" + "testing" +) + +var pkcs8PrivateKeyHex = `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` + +func TestPKCS8(t *testing.T) { + derBytes, _ := hex.DecodeString(pkcs8PrivateKeyHex) + _, err := ParsePKCS8PrivateKey(derBytes) + if err != nil { + t.Errorf("failed to decode PKCS8 key: %s", err) + } +} diff --git a/gcc-4.7/libgo/go/crypto/x509/pkix/pkix.go b/gcc-4.7/libgo/go/crypto/x509/pkix/pkix.go new file mode 100644 index 000000000..738659011 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/pkix/pkix.go @@ -0,0 +1,171 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package pkix contains shared, low level structures used for ASN.1 parsing +// and serialization of X.509 certificates, CRL and OCSP. +package pkix + +import ( + "encoding/asn1" + "math/big" + "time" +) + +// AlgorithmIdentifier represents the ASN.1 structure of the same name. See RFC +// 5280, section 4.1.1.2. +type AlgorithmIdentifier struct { + Algorithm asn1.ObjectIdentifier + Parameters asn1.RawValue `asn1:"optional"` +} + +type RDNSequence []RelativeDistinguishedNameSET + +type RelativeDistinguishedNameSET []AttributeTypeAndValue + +// AttributeTypeAndValue mirrors the ASN.1 structure of the same name in +// http://tools.ietf.org/html/rfc5280#section-4.1.2.4 +type AttributeTypeAndValue struct { + Type asn1.ObjectIdentifier + Value interface{} +} + +// Extension represents the ASN.1 structure of the same name. See RFC +// 5280, section 4.2. +type Extension struct { + Id asn1.ObjectIdentifier + Critical bool `asn1:"optional"` + Value []byte +} + +// Name represents an X.509 distinguished name. This only includes the common +// elements of a DN. Additional elements in the name are ignored. +type Name struct { + Country, Organization, OrganizationalUnit []string + Locality, Province []string + StreetAddress, PostalCode []string + SerialNumber, CommonName string + + Names []AttributeTypeAndValue +} + +func (n *Name) FillFromRDNSequence(rdns *RDNSequence) { + for _, rdn := range *rdns { + if len(rdn) == 0 { + continue + } + atv := rdn[0] + n.Names = append(n.Names, atv) + value, ok := atv.Value.(string) + if !ok { + continue + } + + t := atv.Type + if len(t) == 4 && t[0] == 2 && t[1] == 5 && t[2] == 4 { + switch t[3] { + case 3: + n.CommonName = value + case 5: + n.SerialNumber = value + case 6: + n.Country = append(n.Country, value) + case 7: + n.Locality = append(n.Locality, value) + case 8: + n.Province = append(n.Province, value) + case 9: + n.StreetAddress = append(n.StreetAddress, value) + case 10: + n.Organization = append(n.Organization, value) + case 11: + n.OrganizationalUnit = append(n.OrganizationalUnit, value) + case 17: + n.PostalCode = append(n.PostalCode, value) + } + } + } +} + +var ( + oidCountry = []int{2, 5, 4, 6} + oidOrganization = []int{2, 5, 4, 10} + oidOrganizationalUnit = []int{2, 5, 4, 11} + oidCommonName = []int{2, 5, 4, 3} + oidSerialNumber = []int{2, 5, 4, 5} + oidLocality = []int{2, 5, 4, 7} + oidProvince = []int{2, 5, 4, 8} + oidStreetAddress = []int{2, 5, 4, 9} + oidPostalCode = []int{2, 5, 4, 17} +) + +// appendRDNs appends a relativeDistinguishedNameSET to the given RDNSequence +// and returns the new value. The relativeDistinguishedNameSET contains an +// attributeTypeAndValue for each of the given values. See RFC 5280, A.1, and +// search for AttributeTypeAndValue. +func appendRDNs(in RDNSequence, values []string, oid asn1.ObjectIdentifier) RDNSequence { + if len(values) == 0 { + return in + } + + s := make([]AttributeTypeAndValue, len(values)) + for i, value := range values { + s[i].Type = oid + s[i].Value = value + } + + return append(in, s) +} + +func (n Name) ToRDNSequence() (ret RDNSequence) { + ret = appendRDNs(ret, n.Country, oidCountry) + ret = appendRDNs(ret, n.Organization, oidOrganization) + ret = appendRDNs(ret, n.OrganizationalUnit, oidOrganizationalUnit) + ret = appendRDNs(ret, n.Locality, oidLocality) + ret = appendRDNs(ret, n.Province, oidProvince) + ret = appendRDNs(ret, n.StreetAddress, oidStreetAddress) + ret = appendRDNs(ret, n.PostalCode, oidPostalCode) + if len(n.CommonName) > 0 { + ret = appendRDNs(ret, []string{n.CommonName}, oidCommonName) + } + if len(n.SerialNumber) > 0 { + ret = appendRDNs(ret, []string{n.SerialNumber}, oidSerialNumber) + } + + return ret +} + +// CertificateList represents the ASN.1 structure of the same name. See RFC +// 5280, section 5.1. Use Certificate.CheckCRLSignature to verify the +// signature. +type CertificateList struct { + TBSCertList TBSCertificateList + SignatureAlgorithm AlgorithmIdentifier + SignatureValue asn1.BitString +} + +// HasExpired returns true iff now is past the expiry time of certList. +func (certList *CertificateList) HasExpired(now time.Time) bool { + return now.After(certList.TBSCertList.NextUpdate) +} + +// TBSCertificateList represents the ASN.1 structure of the same name. See RFC +// 5280, section 5.1. +type TBSCertificateList struct { + Raw asn1.RawContent + Version int `asn1:"optional,default:2"` + Signature AlgorithmIdentifier + Issuer RDNSequence + ThisUpdate time.Time + NextUpdate time.Time + RevokedCertificates []RevokedCertificate `asn1:"optional"` + Extensions []Extension `asn1:"tag:0,optional,explicit"` +} + +// RevokedCertificate represents the ASN.1 structure of the same name. See RFC +// 5280, section 5.1. +type RevokedCertificate struct { + SerialNumber *big.Int + RevocationTime time.Time + Extensions []Extension `asn1:"optional"` +} diff --git a/gcc-4.7/libgo/go/crypto/x509/root.go b/gcc-4.7/libgo/go/crypto/x509/root.go new file mode 100644 index 000000000..8aae14e09 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/root.go @@ -0,0 +1,17 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package x509 + +import "sync" + +var ( + once sync.Once + systemRoots *CertPool +) + +func systemRootsPool() *CertPool { + once.Do(initSystemRoots) + return systemRoots +} diff --git a/gcc-4.7/libgo/go/crypto/x509/root_darwin.go b/gcc-4.7/libgo/go/crypto/x509/root_darwin.go new file mode 100644 index 000000000..0f99581e8 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/root_darwin.go @@ -0,0 +1,80 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package x509 + +/* +#cgo CFLAGS: -mmacosx-version-min=10.6 -D__MAC_OS_X_VERSION_MAX_ALLOWED=1060 +#cgo LDFLAGS: -framework CoreFoundation -framework Security + +#include <CoreFoundation/CoreFoundation.h> +#include <Security/Security.h> + +// FetchPEMRoots fetches the system's list of trusted X.509 root certificates. +// +// On success it returns 0 and fills pemRoots with a CFDataRef that contains the extracted root +// certificates of the system. On failure, the function returns -1. +// +// Note: The CFDataRef returned in pemRoots must be released (using CFRelease) after +// we've consumed its content. +int FetchPEMRoots(CFDataRef *pemRoots) { + if (pemRoots == NULL) { + return -1; + } + + CFArrayRef certs = NULL; + OSStatus err = SecTrustCopyAnchorCertificates(&certs); + if (err != noErr) { + return -1; + } + + CFMutableDataRef combinedData = CFDataCreateMutable(kCFAllocatorDefault, 0); + int i, ncerts = CFArrayGetCount(certs); + for (i = 0; i < ncerts; i++) { + CFDataRef data = NULL; + SecCertificateRef cert = (SecCertificateRef)CFArrayGetValueAtIndex(certs, i); + if (cert == NULL) { + continue; + } + + // Note: SecKeychainItemExport is deprecated as of 10.7 in favor of SecItemExport. + // Once we support weak imports via cgo we should prefer that, and fall back to this + // for older systems. + err = SecKeychainItemExport(cert, kSecFormatX509Cert, kSecItemPemArmour, NULL, &data); + if (err != noErr) { + continue; + } + + if (data != NULL) { + CFDataAppendBytes(combinedData, CFDataGetBytePtr(data), CFDataGetLength(data)); + CFRelease(data); + } + } + + CFRelease(certs); + + *pemRoots = combinedData; + return 0; +} +*/ +import "C" +import "unsafe" + +func (c *Certificate) systemVerify(opts *VerifyOptions) (chains [][]*Certificate, err error) { + return nil, nil +} + +func initSystemRoots() { + roots := NewCertPool() + + var data C.CFDataRef = nil + err := C.FetchPEMRoots(&data) + if err != -1 { + defer C.CFRelease(C.CFTypeRef(data)) + buf := C.GoBytes(unsafe.Pointer(C.CFDataGetBytePtr(data)), C.int(C.CFDataGetLength(data))) + roots.AppendCertsFromPEM(buf) + } + + systemRoots = roots +} diff --git a/gcc-4.7/libgo/go/crypto/x509/root_stub.go b/gcc-4.7/libgo/go/crypto/x509/root_stub.go new file mode 100644 index 000000000..568004108 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/root_stub.go @@ -0,0 +1,15 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build plan9 darwin,!cgo + +package x509 + +func (c *Certificate) systemVerify(opts *VerifyOptions) (chains [][]*Certificate, err error) { + return nil, nil +} + +func initSystemRoots() { + systemRoots = NewCertPool() +} diff --git a/gcc-4.7/libgo/go/crypto/x509/root_unix.go b/gcc-4.7/libgo/go/crypto/x509/root_unix.go new file mode 100644 index 000000000..76e79f494 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/root_unix.go @@ -0,0 +1,35 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build freebsd linux openbsd netbsd + +package x509 + +import "io/ioutil" + +// Possible certificate files; stop after finding one. +var certFiles = []string{ + "/etc/ssl/certs/ca-certificates.crt", // Linux etc + "/etc/pki/tls/certs/ca-bundle.crt", // Fedora/RHEL + "/etc/ssl/ca-bundle.pem", // OpenSUSE + "/etc/ssl/cert.pem", // OpenBSD + "/usr/local/share/certs/ca-root-nss.crt", // FreeBSD +} + +func (c *Certificate) systemVerify(opts *VerifyOptions) (chains [][]*Certificate, err error) { + return nil, nil +} + +func initSystemRoots() { + roots := NewCertPool() + for _, file := range certFiles { + data, err := ioutil.ReadFile(file) + if err == nil { + roots.AppendCertsFromPEM(data) + break + } + } + + systemRoots = roots +} diff --git a/gcc-4.7/libgo/go/crypto/x509/root_windows.go b/gcc-4.7/libgo/go/crypto/x509/root_windows.go new file mode 100644 index 000000000..7e8f2af4b --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/root_windows.go @@ -0,0 +1,226 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package x509 + +import ( + "errors" + "syscall" + "unsafe" +) + +// Creates a new *syscall.CertContext representing the leaf certificate in an in-memory +// certificate store containing itself and all of the intermediate certificates specified +// in the opts.Intermediates CertPool. +// +// A pointer to the in-memory store is available in the returned CertContext's Store field. +// The store is automatically freed when the CertContext is freed using +// syscall.CertFreeCertificateContext. +func createStoreContext(leaf *Certificate, opts *VerifyOptions) (*syscall.CertContext, error) { + var storeCtx *syscall.CertContext + + leafCtx, err := syscall.CertCreateCertificateContext(syscall.X509_ASN_ENCODING|syscall.PKCS_7_ASN_ENCODING, &leaf.Raw[0], uint32(len(leaf.Raw))) + if err != nil { + return nil, err + } + defer syscall.CertFreeCertificateContext(leafCtx) + + handle, err := syscall.CertOpenStore(syscall.CERT_STORE_PROV_MEMORY, 0, 0, syscall.CERT_STORE_DEFER_CLOSE_UNTIL_LAST_FREE_FLAG, 0) + if err != nil { + return nil, err + } + defer syscall.CertCloseStore(handle, 0) + + err = syscall.CertAddCertificateContextToStore(handle, leafCtx, syscall.CERT_STORE_ADD_ALWAYS, &storeCtx) + if err != nil { + return nil, err + } + + if opts.Intermediates != nil { + for _, intermediate := range opts.Intermediates.certs { + ctx, err := syscall.CertCreateCertificateContext(syscall.X509_ASN_ENCODING|syscall.PKCS_7_ASN_ENCODING, &intermediate.Raw[0], uint32(len(intermediate.Raw))) + if err != nil { + return nil, err + } + + err = syscall.CertAddCertificateContextToStore(handle, ctx, syscall.CERT_STORE_ADD_ALWAYS, nil) + syscall.CertFreeCertificateContext(ctx) + if err != nil { + return nil, err + } + } + } + + return storeCtx, nil +} + +// extractSimpleChain extracts the final certificate chain from a CertSimpleChain. +func extractSimpleChain(simpleChain **syscall.CertSimpleChain, count int) (chain []*Certificate, err error) { + if simpleChain == nil || count == 0 { + return nil, errors.New("x509: invalid simple chain") + } + + simpleChains := (*[1 << 20]*syscall.CertSimpleChain)(unsafe.Pointer(simpleChain))[:] + lastChain := simpleChains[count-1] + elements := (*[1 << 20]*syscall.CertChainElement)(unsafe.Pointer(lastChain.Elements))[:] + for i := 0; i < int(lastChain.NumElements); i++ { + // Copy the buf, since ParseCertificate does not create its own copy. + cert := elements[i].CertContext + encodedCert := (*[1 << 20]byte)(unsafe.Pointer(cert.EncodedCert))[:] + buf := make([]byte, cert.Length) + copy(buf, encodedCert[:]) + parsedCert, err := ParseCertificate(buf) + if err != nil { + return nil, err + } + chain = append(chain, parsedCert) + } + + return chain, nil +} + +// checkChainTrustStatus checks the trust status of the certificate chain, translating +// any errors it finds into Go errors in the process. +func checkChainTrustStatus(c *Certificate, chainCtx *syscall.CertChainContext) error { + if chainCtx.TrustStatus.ErrorStatus != syscall.CERT_TRUST_NO_ERROR { + status := chainCtx.TrustStatus.ErrorStatus + switch status { + case syscall.CERT_TRUST_IS_NOT_TIME_VALID: + return CertificateInvalidError{c, Expired} + default: + return UnknownAuthorityError{c} + } + } + return nil +} + +// checkChainSSLServerPolicy checks that the certificate chain in chainCtx is valid for +// use as a certificate chain for a SSL/TLS server. +func checkChainSSLServerPolicy(c *Certificate, chainCtx *syscall.CertChainContext, opts *VerifyOptions) error { + sslPara := &syscall.SSLExtraCertChainPolicyPara{ + AuthType: syscall.AUTHTYPE_SERVER, + ServerName: syscall.StringToUTF16Ptr(opts.DNSName), + } + sslPara.Size = uint32(unsafe.Sizeof(*sslPara)) + + para := &syscall.CertChainPolicyPara{ + ExtraPolicyPara: uintptr(unsafe.Pointer(sslPara)), + } + para.Size = uint32(unsafe.Sizeof(*para)) + + status := syscall.CertChainPolicyStatus{} + err := syscall.CertVerifyCertificateChainPolicy(syscall.CERT_CHAIN_POLICY_SSL, chainCtx, para, &status) + if err != nil { + return err + } + + // TODO(mkrautz): use the lChainIndex and lElementIndex fields + // of the CertChainPolicyStatus to provide proper context, instead + // using c. + if status.Error != 0 { + switch status.Error { + case syscall.CERT_E_EXPIRED: + return CertificateInvalidError{c, Expired} + case syscall.CERT_E_CN_NO_MATCH: + return HostnameError{c, opts.DNSName} + case syscall.CERT_E_UNTRUSTEDROOT: + return UnknownAuthorityError{c} + default: + return UnknownAuthorityError{c} + } + } + + return nil +} + +// systemVerify is like Verify, except that it uses CryptoAPI calls +// to build certificate chains and verify them. +func (c *Certificate) systemVerify(opts *VerifyOptions) (chains [][]*Certificate, err error) { + hasDNSName := opts != nil && len(opts.DNSName) > 0 + + storeCtx, err := createStoreContext(c, opts) + if err != nil { + return nil, err + } + defer syscall.CertFreeCertificateContext(storeCtx) + + para := new(syscall.CertChainPara) + para.Size = uint32(unsafe.Sizeof(*para)) + + // If there's a DNSName set in opts, assume we're verifying + // a certificate from a TLS server. + if hasDNSName { + oids := []*byte{ + &syscall.OID_PKIX_KP_SERVER_AUTH[0], + // Both IE and Chrome allow certificates with + // Server Gated Crypto as well. Some certificates + // in the wild require them. + &syscall.OID_SERVER_GATED_CRYPTO[0], + &syscall.OID_SGC_NETSCAPE[0], + } + para.RequestedUsage.Type = syscall.USAGE_MATCH_TYPE_OR + para.RequestedUsage.Usage.Length = uint32(len(oids)) + para.RequestedUsage.Usage.UsageIdentifiers = &oids[0] + } else { + para.RequestedUsage.Type = syscall.USAGE_MATCH_TYPE_AND + para.RequestedUsage.Usage.Length = 0 + para.RequestedUsage.Usage.UsageIdentifiers = nil + } + + var verifyTime *syscall.Filetime + if opts != nil && !opts.CurrentTime.IsZero() { + ft := syscall.NsecToFiletime(opts.CurrentTime.UnixNano()) + verifyTime = &ft + } + + // CertGetCertificateChain will traverse Windows's root stores + // in an attempt to build a verified certificate chain. Once + // it has found a verified chain, it stops. MSDN docs on + // CERT_CHAIN_CONTEXT: + // + // When a CERT_CHAIN_CONTEXT is built, the first simple chain + // begins with an end certificate and ends with a self-signed + // certificate. If that self-signed certificate is not a root + // or otherwise trusted certificate, an attempt is made to + // build a new chain. CTLs are used to create the new chain + // beginning with the self-signed certificate from the original + // chain as the end certificate of the new chain. This process + // continues building additional simple chains until the first + // self-signed certificate is a trusted certificate or until + // an additional simple chain cannot be built. + // + // The result is that we'll only get a single trusted chain to + // return to our caller. + var chainCtx *syscall.CertChainContext + err = syscall.CertGetCertificateChain(syscall.Handle(0), storeCtx, verifyTime, storeCtx.Store, para, 0, 0, &chainCtx) + if err != nil { + return nil, err + } + defer syscall.CertFreeCertificateChain(chainCtx) + + err = checkChainTrustStatus(c, chainCtx) + if err != nil { + return nil, err + } + + if hasDNSName { + err = checkChainSSLServerPolicy(c, chainCtx, opts) + if err != nil { + return nil, err + } + } + + chain, err := extractSimpleChain(chainCtx.Chains, int(chainCtx.ChainCount)) + if err != nil { + return nil, err + } + + chains = append(chains, chain) + + return chains, nil +} + +func initSystemRoots() { + systemRoots = NewCertPool() +} diff --git a/gcc-4.7/libgo/go/crypto/x509/verify.go b/gcc-4.7/libgo/go/crypto/x509/verify.go new file mode 100644 index 000000000..307c5ef03 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/verify.go @@ -0,0 +1,302 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package x509 + +import ( + "runtime" + "strings" + "time" + "unicode/utf8" +) + +type InvalidReason int + +const ( + // NotAuthorizedToSign results when a certificate is signed by another + // which isn't marked as a CA certificate. + NotAuthorizedToSign InvalidReason = iota + // Expired results when a certificate has expired, based on the time + // given in the VerifyOptions. + Expired + // CANotAuthorizedForThisName results when an intermediate or root + // certificate has a name constraint which doesn't include the name + // being checked. + CANotAuthorizedForThisName + // TooManyIntermediates results when a path length constraint is + // violated. + TooManyIntermediates +) + +// CertificateInvalidError results when an odd error occurs. Users of this +// library probably want to handle all these errors uniformly. +type CertificateInvalidError struct { + Cert *Certificate + Reason InvalidReason +} + +func (e CertificateInvalidError) Error() string { + switch e.Reason { + case NotAuthorizedToSign: + return "x509: certificate is not authorized to sign other other certificates" + case Expired: + return "x509: certificate has expired or is not yet valid" + case CANotAuthorizedForThisName: + return "x509: a root or intermediate certificate is not authorized to sign in this domain" + case TooManyIntermediates: + return "x509: too many intermediates for path length constraint" + } + return "x509: unknown error" +} + +// HostnameError results when the set of authorized names doesn't match the +// requested name. +type HostnameError struct { + Certificate *Certificate + Host string +} + +func (h HostnameError) Error() string { + var valid string + c := h.Certificate + if len(c.DNSNames) > 0 { + valid = strings.Join(c.DNSNames, ", ") + } else { + valid = c.Subject.CommonName + } + return "certificate is valid for " + valid + ", not " + h.Host +} + +// UnknownAuthorityError results when the certificate issuer is unknown +type UnknownAuthorityError struct { + cert *Certificate +} + +func (e UnknownAuthorityError) Error() string { + return "x509: certificate signed by unknown authority" +} + +// VerifyOptions contains parameters for Certificate.Verify. It's a structure +// because other PKIX verification APIs have ended up needing many options. +type VerifyOptions struct { + DNSName string + Intermediates *CertPool + Roots *CertPool // if nil, the system roots are used + CurrentTime time.Time // if zero, the current time is used +} + +const ( + leafCertificate = iota + intermediateCertificate + rootCertificate +) + +// isValid performs validity checks on the c. +func (c *Certificate) isValid(certType int, currentChain []*Certificate, opts *VerifyOptions) error { + now := opts.CurrentTime + if now.IsZero() { + now = time.Now() + } + if now.Before(c.NotBefore) || now.After(c.NotAfter) { + return CertificateInvalidError{c, Expired} + } + + if len(c.PermittedDNSDomains) > 0 { + for _, domain := range c.PermittedDNSDomains { + if opts.DNSName == domain || + (strings.HasSuffix(opts.DNSName, domain) && + len(opts.DNSName) >= 1+len(domain) && + opts.DNSName[len(opts.DNSName)-len(domain)-1] == '.') { + continue + } + + return CertificateInvalidError{c, CANotAuthorizedForThisName} + } + } + + // KeyUsage status flags are ignored. From Engineering Security, Peter + // Gutmann: A European government CA marked its signing certificates as + // being valid for encryption only, but no-one noticed. Another + // European CA marked its signature keys as not being valid for + // signatures. A different CA marked its own trusted root certificate + // as being invalid for certificate signing. Another national CA + // distributed a certificate to be used to encrypt data for the + // country’s tax authority that was marked as only being usable for + // digital signatures but not for encryption. Yet another CA reversed + // the order of the bit flags in the keyUsage due to confusion over + // encoding endianness, essentially setting a random keyUsage in + // certificates that it issued. Another CA created a self-invalidating + // certificate by adding a certificate policy statement stipulating + // that the certificate had to be used strictly as specified in the + // keyUsage, and a keyUsage containing a flag indicating that the RSA + // encryption key could only be used for Diffie-Hellman key agreement. + + if certType == intermediateCertificate && (!c.BasicConstraintsValid || !c.IsCA) { + return CertificateInvalidError{c, NotAuthorizedToSign} + } + + if c.BasicConstraintsValid && c.MaxPathLen >= 0 { + numIntermediates := len(currentChain) - 1 + if numIntermediates > c.MaxPathLen { + return CertificateInvalidError{c, TooManyIntermediates} + } + } + + return nil +} + +// Verify attempts to verify c by building one or more chains from c to a +// certificate in opts.Roots, using certificates in opts.Intermediates if +// needed. If successful, it returns one or more chains where the first +// element of the chain is c and the last element is from opts.Roots. +// +// WARNING: this doesn't do any revocation checking. +func (c *Certificate) Verify(opts VerifyOptions) (chains [][]*Certificate, err error) { + // Use Windows's own verification and chain building. + if opts.Roots == nil && runtime.GOOS == "windows" { + return c.systemVerify(&opts) + } + + if opts.Roots == nil { + opts.Roots = systemRootsPool() + } + + err = c.isValid(leafCertificate, nil, &opts) + if err != nil { + return + } + + if len(opts.DNSName) > 0 { + err = c.VerifyHostname(opts.DNSName) + if err != nil { + return + } + } + + return c.buildChains(make(map[int][][]*Certificate), []*Certificate{c}, &opts) +} + +func appendToFreshChain(chain []*Certificate, cert *Certificate) []*Certificate { + n := make([]*Certificate, len(chain)+1) + copy(n, chain) + n[len(chain)] = cert + return n +} + +func (c *Certificate) buildChains(cache map[int][][]*Certificate, currentChain []*Certificate, opts *VerifyOptions) (chains [][]*Certificate, err error) { + for _, rootNum := range opts.Roots.findVerifiedParents(c) { + root := opts.Roots.certs[rootNum] + err = root.isValid(rootCertificate, currentChain, opts) + if err != nil { + continue + } + chains = append(chains, appendToFreshChain(currentChain, root)) + } + +nextIntermediate: + for _, intermediateNum := range opts.Intermediates.findVerifiedParents(c) { + intermediate := opts.Intermediates.certs[intermediateNum] + for _, cert := range currentChain { + if cert == intermediate { + continue nextIntermediate + } + } + err = intermediate.isValid(intermediateCertificate, currentChain, opts) + if err != nil { + continue + } + var childChains [][]*Certificate + childChains, ok := cache[intermediateNum] + if !ok { + childChains, err = intermediate.buildChains(cache, appendToFreshChain(currentChain, intermediate), opts) + cache[intermediateNum] = childChains + } + chains = append(chains, childChains...) + } + + if len(chains) > 0 { + err = nil + } + + if len(chains) == 0 && err == nil { + err = UnknownAuthorityError{c} + } + + return +} + +func matchHostnames(pattern, host string) bool { + if len(pattern) == 0 || len(host) == 0 { + return false + } + + patternParts := strings.Split(pattern, ".") + hostParts := strings.Split(host, ".") + + if len(patternParts) != len(hostParts) { + return false + } + + for i, patternPart := range patternParts { + if patternPart == "*" { + continue + } + if patternPart != hostParts[i] { + return false + } + } + + return true +} + +// toLowerCaseASCII returns a lower-case version of in. See RFC 6125 6.4.1. We use +// an explicitly ASCII function to avoid any sharp corners resulting from +// performing Unicode operations on DNS labels. +func toLowerCaseASCII(in string) string { + // If the string is already lower-case then there's nothing to do. + isAlreadyLowerCase := true + for _, c := range in { + if c == utf8.RuneError { + // If we get a UTF-8 error then there might be + // upper-case ASCII bytes in the invalid sequence. + isAlreadyLowerCase = false + break + } + if 'A' <= c && c <= 'Z' { + isAlreadyLowerCase = false + break + } + } + + if isAlreadyLowerCase { + return in + } + + out := []byte(in) + for i, c := range out { + if 'A' <= c && c <= 'Z' { + out[i] += 'a' - 'A' + } + } + return string(out) +} + +// VerifyHostname returns nil if c is a valid certificate for the named host. +// Otherwise it returns an error describing the mismatch. +func (c *Certificate) VerifyHostname(h string) error { + lowered := toLowerCaseASCII(h) + + if len(c.DNSNames) > 0 { + for _, match := range c.DNSNames { + if matchHostnames(toLowerCaseASCII(match), lowered) { + return nil + } + } + // If Subject Alt Name is given, we ignore the common name. + } else if matchHostnames(toLowerCaseASCII(c.Subject.CommonName), lowered) { + return nil + } + + return HostnameError{c, h} +} diff --git a/gcc-4.7/libgo/go/crypto/x509/verify_test.go b/gcc-4.7/libgo/go/crypto/x509/verify_test.go new file mode 100644 index 000000000..7b171b291 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/verify_test.go @@ -0,0 +1,435 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package x509 + +import ( + "crypto/x509/pkix" + "encoding/pem" + "errors" + "runtime" + "strings" + "testing" + "time" +) + +type verifyTest struct { + leaf string + intermediates []string + roots []string + currentTime int64 + dnsName string + systemSkip bool + + errorCallback func(*testing.T, int, error) bool + expectedChains [][]string +} + +var verifyTests = []verifyTest{ + { + leaf: googleLeaf, + intermediates: []string{thawteIntermediate}, + roots: []string{verisignRoot}, + currentTime: 1302726541, + dnsName: "www.google.com", + + expectedChains: [][]string{ + {"Google", "Thawte", "VeriSign"}, + }, + }, + { + leaf: googleLeaf, + intermediates: []string{thawteIntermediate}, + roots: []string{verisignRoot}, + currentTime: 1302726541, + dnsName: "WwW.GooGLE.coM", + + expectedChains: [][]string{ + {"Google", "Thawte", "VeriSign"}, + }, + }, + { + leaf: googleLeaf, + intermediates: []string{thawteIntermediate}, + roots: []string{verisignRoot}, + currentTime: 1302726541, + dnsName: "www.example.com", + + errorCallback: expectHostnameError, + }, + { + leaf: googleLeaf, + intermediates: []string{thawteIntermediate}, + roots: []string{verisignRoot}, + currentTime: 1, + dnsName: "www.example.com", + + errorCallback: expectExpired, + }, + { + leaf: googleLeaf, + roots: []string{verisignRoot}, + currentTime: 1302726541, + dnsName: "www.google.com", + + // Skip when using systemVerify, since Windows + // *will* find the missing intermediate cert. + systemSkip: true, + errorCallback: expectAuthorityUnknown, + }, + { + leaf: googleLeaf, + intermediates: []string{verisignRoot, thawteIntermediate}, + roots: []string{verisignRoot}, + currentTime: 1302726541, + dnsName: "www.google.com", + + expectedChains: [][]string{ + {"Google", "Thawte", "VeriSign"}, + }, + }, + { + leaf: dnssecExpLeaf, + intermediates: []string{startComIntermediate}, + roots: []string{startComRoot}, + currentTime: 1302726541, + + expectedChains: [][]string{ + {"dnssec-exp", "StartCom Class 1", "StartCom Certification Authority"}, + }, + }, + { + leaf: dnssecExpLeaf, + intermediates: []string{startComIntermediate, startComRoot}, + roots: []string{startComRoot}, + currentTime: 1302726541, + + // Skip when using systemVerify, since Windows + // can only return a single chain to us (for now). + systemSkip: true, + expectedChains: [][]string{ + {"dnssec-exp", "StartCom Class 1", "StartCom Certification Authority"}, + {"dnssec-exp", "StartCom Class 1", "StartCom Certification Authority", "StartCom Certification Authority"}, + }, + }, +} + +func expectHostnameError(t *testing.T, i int, err error) (ok bool) { + if _, ok := err.(HostnameError); !ok { + t.Errorf("#%d: error was not a HostnameError: %s", i, err) + return false + } + return true +} + +func expectExpired(t *testing.T, i int, err error) (ok bool) { + if inval, ok := err.(CertificateInvalidError); !ok || inval.Reason != Expired { + t.Errorf("#%d: error was not Expired: %s", i, err) + return false + } + return true +} + +func expectAuthorityUnknown(t *testing.T, i int, err error) (ok bool) { + if _, ok := err.(UnknownAuthorityError); !ok { + t.Errorf("#%d: error was not UnknownAuthorityError: %s", i, err) + return false + } + return true +} + +func certificateFromPEM(pemBytes string) (*Certificate, error) { + block, _ := pem.Decode([]byte(pemBytes)) + if block == nil { + return nil, errors.New("failed to decode PEM") + } + return ParseCertificate(block.Bytes) +} + +func testVerify(t *testing.T, useSystemRoots bool) { + for i, test := range verifyTests { + if useSystemRoots && test.systemSkip { + continue + } + + opts := VerifyOptions{ + Intermediates: NewCertPool(), + DNSName: test.dnsName, + CurrentTime: time.Unix(test.currentTime, 0), + } + + if !useSystemRoots { + opts.Roots = NewCertPool() + for j, root := range test.roots { + ok := opts.Roots.AppendCertsFromPEM([]byte(root)) + if !ok { + t.Errorf("#%d: failed to parse root #%d", i, j) + return + } + } + } + + for j, intermediate := range test.intermediates { + ok := opts.Intermediates.AppendCertsFromPEM([]byte(intermediate)) + if !ok { + t.Errorf("#%d: failed to parse intermediate #%d", i, j) + return + } + } + + leaf, err := certificateFromPEM(test.leaf) + if err != nil { + t.Errorf("#%d: failed to parse leaf: %s", i, err) + return + } + + chains, err := leaf.Verify(opts) + + if test.errorCallback == nil && err != nil { + t.Errorf("#%d: unexpected error: %s", i, err) + } + if test.errorCallback != nil { + if !test.errorCallback(t, i, err) { + return + } + } + + if len(chains) != len(test.expectedChains) { + t.Errorf("#%d: wanted %d chains, got %d", i, len(test.expectedChains), len(chains)) + } + + // We check that each returned chain matches a chain from + // expectedChains but an entry in expectedChains can't match + // two chains. + seenChains := make([]bool, len(chains)) + NextOutputChain: + for _, chain := range chains { + TryNextExpected: + for j, expectedChain := range test.expectedChains { + if seenChains[j] { + continue + } + if len(chain) != len(expectedChain) { + continue + } + for k, cert := range chain { + if strings.Index(nameToKey(&cert.Subject), expectedChain[k]) == -1 { + continue TryNextExpected + } + } + // we matched + seenChains[j] = true + continue NextOutputChain + } + t.Errorf("#%d: No expected chain matched %s", i, chainToDebugString(chain)) + } + } +} + +func TestGoVerify(t *testing.T) { + testVerify(t, false) +} + +func TestSystemVerify(t *testing.T) { + if runtime.GOOS != "windows" { + t.Logf("skipping verify test using system APIs on %q", runtime.GOOS) + return + } + + testVerify(t, true) +} + +func chainToDebugString(chain []*Certificate) string { + var chainStr string + for _, cert := range chain { + if len(chainStr) > 0 { + chainStr += " -> " + } + chainStr += nameToKey(&cert.Subject) + } + return chainStr +} + +func nameToKey(name *pkix.Name) string { + return strings.Join(name.Country, ",") + "/" + strings.Join(name.Organization, ",") + "/" + strings.Join(name.OrganizationalUnit, ",") + "/" + name.CommonName +} + +const verisignRoot = `-----BEGIN CERTIFICATE----- +MIICPDCCAaUCEHC65B0Q2Sk0tjjKewPMur8wDQYJKoZIhvcNAQECBQAwXzELMAkG +A1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMTcwNQYDVQQLEy5DbGFz +cyAzIFB1YmxpYyBQcmltYXJ5IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTk2 +MDEyOTAwMDAwMFoXDTI4MDgwMTIzNTk1OVowXzELMAkGA1UEBhMCVVMxFzAVBgNV +BAoTDlZlcmlTaWduLCBJbmMuMTcwNQYDVQQLEy5DbGFzcyAzIFB1YmxpYyBQcmlt +YXJ5IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIGfMA0GCSqGSIb3DQEBAQUAA4GN +ADCBiQKBgQDJXFme8huKARS0EN8EQNvjV69qRUCPhAwL0TPZ2RHP7gJYHyX3KqhE +BarsAx94f56TuZoAqiN91qyFomNFx3InzPRMxnVx0jnvT0Lwdd8KkMaOIG+YD/is +I19wKTakyYbnsZogy1Olhec9vn2a/iRFM9x2Fe0PonFkTGUugWhFpwIDAQABMA0G +CSqGSIb3DQEBAgUAA4GBALtMEivPLCYATxQT3ab7/AoRhIzzKBxnki98tsX63/Do +lbwdj2wsqFHMc9ikwFPwTtYmwHYBV4GSXiHx0bH/59AhWM1pF+NEHJwZRDmJXNyc +AA9WjQKZ7aKQRUzkuxCkPfAyAw7xzvjoyVGM5mKf5p/AfbdynMk2OmufTqj/ZA1k +-----END CERTIFICATE----- +` + +const thawteIntermediate = `-----BEGIN CERTIFICATE----- +MIIDIzCCAoygAwIBAgIEMAAAAjANBgkqhkiG9w0BAQUFADBfMQswCQYDVQQGEwJV +UzEXMBUGA1UEChMOVmVyaVNpZ24sIEluYy4xNzA1BgNVBAsTLkNsYXNzIDMgUHVi +bGljIFByaW1hcnkgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDQwNTEzMDAw +MDAwWhcNMTQwNTEyMjM1OTU5WjBMMQswCQYDVQQGEwJaQTElMCMGA1UEChMcVGhh +d3RlIENvbnN1bHRpbmcgKFB0eSkgTHRkLjEWMBQGA1UEAxMNVGhhd3RlIFNHQyBD +QTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA1NNn0I0Vf67NMf59HZGhPwtx +PKzMyGT7Y/wySweUvW+Aui/hBJPAM/wJMyPpC3QrccQDxtLN4i/1CWPN/0ilAL/g +5/OIty0y3pg25gqtAHvEZEo7hHUD8nCSfQ5i9SGraTaEMXWQ+L/HbIgbBpV8yeWo +3nWhLHpo39XKHIdYYBkCAwEAAaOB/jCB+zASBgNVHRMBAf8ECDAGAQH/AgEAMAsG +A1UdDwQEAwIBBjARBglghkgBhvhCAQEEBAMCAQYwKAYDVR0RBCEwH6QdMBsxGTAX +BgNVBAMTEFByaXZhdGVMYWJlbDMtMTUwMQYDVR0fBCowKDAmoCSgIoYgaHR0cDov +L2NybC52ZXJpc2lnbi5jb20vcGNhMy5jcmwwMgYIKwYBBQUHAQEEJjAkMCIGCCsG +AQUFBzABhhZodHRwOi8vb2NzcC50aGF3dGUuY29tMDQGA1UdJQQtMCsGCCsGAQUF +BwMBBggrBgEFBQcDAgYJYIZIAYb4QgQBBgpghkgBhvhFAQgBMA0GCSqGSIb3DQEB +BQUAA4GBAFWsY+reod3SkF+fC852vhNRj5PZBSvIG3dLrWlQoe7e3P3bB+noOZTc +q3J5Lwa/q4FwxKjt6lM07e8eU9kGx1Yr0Vz00YqOtCuxN5BICEIlxT6Ky3/rbwTR +bcV0oveifHtgPHfNDs5IAn8BL7abN+AqKjbc1YXWrOU/VG+WHgWv +-----END CERTIFICATE----- +` + +const googleLeaf = `-----BEGIN CERTIFICATE----- +MIIDITCCAoqgAwIBAgIQL9+89q6RUm0PmqPfQDQ+mjANBgkqhkiG9w0BAQUFADBM +MQswCQYDVQQGEwJaQTElMCMGA1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkg +THRkLjEWMBQGA1UEAxMNVGhhd3RlIFNHQyBDQTAeFw0wOTEyMTgwMDAwMDBaFw0x +MTEyMTgyMzU5NTlaMGgxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlh +MRYwFAYDVQQHFA1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKFApHb29nbGUgSW5jMRcw +FQYDVQQDFA53d3cuZ29vZ2xlLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkC +gYEA6PmGD5D6htffvXImttdEAoN4c9kCKO+IRTn7EOh8rqk41XXGOOsKFQebg+jN +gtXj9xVoRaELGYW84u+E593y17iYwqG7tcFR39SDAqc9BkJb4SLD3muFXxzW2k6L +05vuuWciKh0R73mkszeK9P4Y/bz5RiNQl/Os/CRGK1w7t0UCAwEAAaOB5zCB5DAM +BgNVHRMBAf8EAjAAMDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jcmwudGhhd3Rl +LmNvbS9UaGF3dGVTR0NDQS5jcmwwKAYDVR0lBCEwHwYIKwYBBQUHAwEGCCsGAQUF +BwMCBglghkgBhvhCBAEwcgYIKwYBBQUHAQEEZjBkMCIGCCsGAQUFBzABhhZodHRw +Oi8vb2NzcC50aGF3dGUuY29tMD4GCCsGAQUFBzAChjJodHRwOi8vd3d3LnRoYXd0 +ZS5jb20vcmVwb3NpdG9yeS9UaGF3dGVfU0dDX0NBLmNydDANBgkqhkiG9w0BAQUF +AAOBgQCfQ89bxFApsb/isJr/aiEdLRLDLE5a+RLizrmCUi3nHX4adpaQedEkUjh5 +u2ONgJd8IyAPkU0Wueru9G2Jysa9zCRo1kNbzipYvzwY4OA8Ys+WAi0oR1A04Se6 +z5nRUP8pJcA2NhUzUnC+MY+f6H/nEQyNv4SgQhqAibAxWEEHXw== +-----END CERTIFICATE-----` + +const dnssecExpLeaf = `-----BEGIN CERTIFICATE----- +MIIGzTCCBbWgAwIBAgIDAdD6MA0GCSqGSIb3DQEBBQUAMIGMMQswCQYDVQQGEwJJ +TDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0 +YWwgQ2VydGlmaWNhdGUgU2lnbmluZzE4MDYGA1UEAxMvU3RhcnRDb20gQ2xhc3Mg +MSBQcmltYXJ5IEludGVybWVkaWF0ZSBTZXJ2ZXIgQ0EwHhcNMTAwNzA0MTQ1MjQ1 +WhcNMTEwNzA1MTA1NzA0WjCBwTEgMB4GA1UEDRMXMjIxMTM3LWxpOWE5dHhJRzZM +NnNyVFMxCzAJBgNVBAYTAlVTMR4wHAYDVQQKExVQZXJzb25hIE5vdCBWYWxpZGF0 +ZWQxKTAnBgNVBAsTIFN0YXJ0Q29tIEZyZWUgQ2VydGlmaWNhdGUgTWVtYmVyMRsw +GQYDVQQDExJ3d3cuZG5zc2VjLWV4cC5vcmcxKDAmBgkqhkiG9w0BCQEWGWhvc3Rt +YXN0ZXJAZG5zc2VjLWV4cC5vcmcwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK +AoIBAQDEdF/22vaxrPbqpgVYMWi+alfpzBctpbfLBdPGuqOazJdCT0NbWcK8/+B4 +X6OlSOURNIlwLzhkmwVsWdVv6dVSaN7d4yI/fJkvgfDB9+au+iBJb6Pcz8ULBfe6 +D8HVvqKdORp6INzHz71z0sghxrQ0EAEkoWAZLh+kcn2ZHdcmZaBNUfjmGbyU6PRt +RjdqoP+owIaC1aktBN7zl4uO7cRjlYFdusINrh2kPP02KAx2W84xjxX1uyj6oS6e +7eBfvcwe8czW/N1rbE0CoR7h9+HnIrjnVG9RhBiZEiw3mUmF++Up26+4KTdRKbu3 ++BL4yMpfd66z0+zzqu+HkvyLpFn5AgMBAAGjggL/MIIC+zAJBgNVHRMEAjAAMAsG +A1UdDwQEAwIDqDATBgNVHSUEDDAKBggrBgEFBQcDATAdBgNVHQ4EFgQUy04I5guM +drzfh2JQaXhgV86+4jUwHwYDVR0jBBgwFoAU60I00Jiwq5/0G2sI98xkLu8OLEUw +LQYDVR0RBCYwJIISd3d3LmRuc3NlYy1leHAub3Jngg5kbnNzZWMtZXhwLm9yZzCC +AUIGA1UdIASCATkwggE1MIIBMQYLKwYBBAGBtTcBAgIwggEgMC4GCCsGAQUFBwIB +FiJodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS9wb2xpY3kucGRmMDQGCCsGAQUFBwIB +FihodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS9pbnRlcm1lZGlhdGUucGRmMIG3Bggr +BgEFBQcCAjCBqjAUFg1TdGFydENvbSBMdGQuMAMCAQEagZFMaW1pdGVkIExpYWJp +bGl0eSwgc2VlIHNlY3Rpb24gKkxlZ2FsIExpbWl0YXRpb25zKiBvZiB0aGUgU3Rh +cnRDb20gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkgUG9saWN5IGF2YWlsYWJsZSBh +dCBodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS9wb2xpY3kucGRmMGEGA1UdHwRaMFgw +KqAooCaGJGh0dHA6Ly93d3cuc3RhcnRzc2wuY29tL2NydDEtY3JsLmNybDAqoCig +JoYkaHR0cDovL2NybC5zdGFydHNzbC5jb20vY3J0MS1jcmwuY3JsMIGOBggrBgEF +BQcBAQSBgTB/MDkGCCsGAQUFBzABhi1odHRwOi8vb2NzcC5zdGFydHNzbC5jb20v +c3ViL2NsYXNzMS9zZXJ2ZXIvY2EwQgYIKwYBBQUHMAKGNmh0dHA6Ly93d3cuc3Rh +cnRzc2wuY29tL2NlcnRzL3N1Yi5jbGFzczEuc2VydmVyLmNhLmNydDAjBgNVHRIE +HDAahhhodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS8wDQYJKoZIhvcNAQEFBQADggEB +ACXj6SB59KRJPenn6gUdGEqcta97U769SATyiQ87i9er64qLwvIGLMa3o2Rcgl2Y +kghUeyLdN/EXyFBYA8L8uvZREPoc7EZukpT/ZDLXy9i2S0jkOxvF2fD/XLbcjGjM +iEYG1/6ASw0ri9C0k4oDDoJLCoeH9++yqF7SFCCMcDkJqiAGXNb4euDpa8vCCtEQ +CSS+ObZbfkreRt3cNCf5LfCXe9OsTnCfc8Cuq81c0oLaG+SmaLUQNBuToq8e9/Zm ++b+/a3RVjxmkV5OCcGVBxsXNDn54Q6wsdw0TBMcjwoEndzpLS7yWgFbbkq5ZiGpw +Qibb2+CfKuQ+WFV1GkVQmVA= +-----END CERTIFICATE-----` + +const startComIntermediate = `-----BEGIN CERTIFICATE----- +MIIGNDCCBBygAwIBAgIBGDANBgkqhkiG9w0BAQUFADB9MQswCQYDVQQGEwJJTDEW +MBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0YWwg +Q2VydGlmaWNhdGUgU2lnbmluZzEpMCcGA1UEAxMgU3RhcnRDb20gQ2VydGlmaWNh +dGlvbiBBdXRob3JpdHkwHhcNMDcxMDI0MjA1NDE3WhcNMTcxMDI0MjA1NDE3WjCB +jDELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0YXJ0Q29tIEx0ZC4xKzApBgNVBAsT +IlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcxODA2BgNVBAMTL1N0 +YXJ0Q29tIENsYXNzIDEgUHJpbWFyeSBJbnRlcm1lZGlhdGUgU2VydmVyIENBMIIB +IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtonGrO8JUngHrJJj0PREGBiE +gFYfka7hh/oyULTTRwbw5gdfcA4Q9x3AzhA2NIVaD5Ksg8asWFI/ujjo/OenJOJA +pgh2wJJuniptTT9uYSAK21ne0n1jsz5G/vohURjXzTCm7QduO3CHtPn66+6CPAVv +kvek3AowHpNz/gfK11+AnSJYUq4G2ouHI2mw5CrY6oPSvfNx23BaKA+vWjhwRRI/ +ME3NO68X5Q/LoKldSKqxYVDLNM08XMML6BDAjJvwAwNi/rJsPnIO7hxDKslIDlc5 +xDEhyBDBLIf+VJVSH1I8MRKbf+fAoKVZ1eKPPvDVqOHXcDGpxLPPr21TLwb0pwID +AQABo4IBrTCCAakwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAQYwHQYD +VR0OBBYEFOtCNNCYsKuf9BtrCPfMZC7vDixFMB8GA1UdIwQYMBaAFE4L7xqkQFul +F2mHMMo0aEPQQa7yMGYGCCsGAQUFBwEBBFowWDAnBggrBgEFBQcwAYYbaHR0cDov +L29jc3Auc3RhcnRzc2wuY29tL2NhMC0GCCsGAQUFBzAChiFodHRwOi8vd3d3LnN0 +YXJ0c3NsLmNvbS9zZnNjYS5jcnQwWwYDVR0fBFQwUjAnoCWgI4YhaHR0cDovL3d3 +dy5zdGFydHNzbC5jb20vc2ZzY2EuY3JsMCegJaAjhiFodHRwOi8vY3JsLnN0YXJ0 +c3NsLmNvbS9zZnNjYS5jcmwwgYAGA1UdIAR5MHcwdQYLKwYBBAGBtTcBAgEwZjAu +BggrBgEFBQcCARYiaHR0cDovL3d3dy5zdGFydHNzbC5jb20vcG9saWN5LnBkZjA0 +BggrBgEFBQcCARYoaHR0cDovL3d3dy5zdGFydHNzbC5jb20vaW50ZXJtZWRpYXRl +LnBkZjANBgkqhkiG9w0BAQUFAAOCAgEAIQlJPqWIbuALi0jaMU2P91ZXouHTYlfp +tVbzhUV1O+VQHwSL5qBaPucAroXQ+/8gA2TLrQLhxpFy+KNN1t7ozD+hiqLjfDen +xk+PNdb01m4Ge90h2c9W/8swIkn+iQTzheWq8ecf6HWQTd35RvdCNPdFWAwRDYSw +xtpdPvkBnufh2lWVvnQce/xNFE+sflVHfXv0pQ1JHpXo9xLBzP92piVH0PN1Nb6X +t1gW66pceG/sUzCv6gRNzKkC4/C2BBL2MLERPZBOVmTX3DxDX3M570uvh+v2/miI +RHLq0gfGabDBoYvvF0nXYbFFSF87ICHpW7LM9NfpMfULFWE7epTj69m8f5SuauNi +YpaoZHy4h/OZMn6SolK+u/hlz8nyMPyLwcKmltdfieFcNID1j0cHL7SRv7Gifl9L +WtBbnySGBVFaaQNlQ0lxxeBvlDRr9hvYqbBMflPrj0jfyjO1SPo2ShpTpjMM0InN +SRXNiTE8kMBy12VLUjWKRhFEuT2OKGWmPnmeXAhEKa2wNREuIU640ucQPl2Eg7PD +wuTSxv0JS3QJ3fGz0xk+gA2iCxnwOOfFwq/iI9th4p1cbiCJSS4jarJiwUW0n6+L +p/EiO/h94pDQehn7Skzj0n1fSoMD7SfWI55rjbRZotnvbIIp3XUZPD9MEI3vu3Un +0q6Dp6jOW6c= +-----END CERTIFICATE-----` + +const startComRoot = `-----BEGIN CERTIFICATE----- +MIIHyTCCBbGgAwIBAgIBATANBgkqhkiG9w0BAQUFADB9MQswCQYDVQQGEwJJTDEW +MBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0YWwg +Q2VydGlmaWNhdGUgU2lnbmluZzEpMCcGA1UEAxMgU3RhcnRDb20gQ2VydGlmaWNh +dGlvbiBBdXRob3JpdHkwHhcNMDYwOTE3MTk0NjM2WhcNMzYwOTE3MTk0NjM2WjB9 +MQswCQYDVQQGEwJJTDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMi +U2VjdXJlIERpZ2l0YWwgQ2VydGlmaWNhdGUgU2lnbmluZzEpMCcGA1UEAxMgU3Rh +cnRDb20gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwggIiMA0GCSqGSIb3DQEBAQUA +A4ICDwAwggIKAoICAQDBiNsJvGxGfHiflXu1M5DycmLWwTYgIiRezul38kMKogZk +pMyONvg45iPwbm2xPN1yo4UcodM9tDMr0y+v/uqwQVlntsQGfQqedIXWeUyAN3rf +OQVSWff0G0ZDpNKFhdLDcfN1YjS6LIp/Ho/u7TTQEceWzVI9ujPW3U3eCztKS5/C +Ji/6tRYccjV3yjxd5srhJosaNnZcAdt0FCX+7bWgiA/deMotHweXMAEtcnn6RtYT +Kqi5pquDSR3l8u/d5AGOGAqPY1MWhWKpDhk6zLVmpsJrdAfkK+F2PrRt2PZE4XNi +HzvEvqBTViVsUQn3qqvKv3b9bZvzndu/PWa8DFaqr5hIlTpL36dYUNk4dalb6kMM +Av+Z6+hsTXBbKWWc3apdzK8BMewM69KN6Oqce+Zu9ydmDBpI125C4z/eIT574Q1w ++2OqqGwaVLRcJXrJosmLFqa7LH4XXgVNWG4SHQHuEhANxjJ/GP/89PrNbpHoNkm+ +Gkhpi8KWTRoSsmkXwQqQ1vp5Iki/untp+HDH+no32NgN0nZPV/+Qt+OR0t3vwmC3 +Zzrd/qqc8NSLf3Iizsafl7b4r4qgEKjZ+xjGtrVcUjyJthkqcwEKDwOzEmDyei+B +26Nu/yYwl/WL3YlXtq09s68rxbd2AvCl1iuahhQqcvbjM4xdCUsT37uMdBNSSwID +AQABo4ICUjCCAk4wDAYDVR0TBAUwAwEB/zALBgNVHQ8EBAMCAa4wHQYDVR0OBBYE +FE4L7xqkQFulF2mHMMo0aEPQQa7yMGQGA1UdHwRdMFswLKAqoCiGJmh0dHA6Ly9j +ZXJ0LnN0YXJ0Y29tLm9yZy9zZnNjYS1jcmwuY3JsMCugKaAnhiVodHRwOi8vY3Js +LnN0YXJ0Y29tLm9yZy9zZnNjYS1jcmwuY3JsMIIBXQYDVR0gBIIBVDCCAVAwggFM +BgsrBgEEAYG1NwEBATCCATswLwYIKwYBBQUHAgEWI2h0dHA6Ly9jZXJ0LnN0YXJ0 +Y29tLm9yZy9wb2xpY3kucGRmMDUGCCsGAQUFBwIBFilodHRwOi8vY2VydC5zdGFy +dGNvbS5vcmcvaW50ZXJtZWRpYXRlLnBkZjCB0AYIKwYBBQUHAgIwgcMwJxYgU3Rh +cnQgQ29tbWVyY2lhbCAoU3RhcnRDb20pIEx0ZC4wAwIBARqBl0xpbWl0ZWQgTGlh +YmlsaXR5LCByZWFkIHRoZSBzZWN0aW9uICpMZWdhbCBMaW1pdGF0aW9ucyogb2Yg +dGhlIFN0YXJ0Q29tIENlcnRpZmljYXRpb24gQXV0aG9yaXR5IFBvbGljeSBhdmFp +bGFibGUgYXQgaHR0cDovL2NlcnQuc3RhcnRjb20ub3JnL3BvbGljeS5wZGYwEQYJ +YIZIAYb4QgEBBAQDAgAHMDgGCWCGSAGG+EIBDQQrFilTdGFydENvbSBGcmVlIFNT +TCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTANBgkqhkiG9w0BAQUFAAOCAgEAFmyZ +9GYMNPXQhV59CuzaEE44HF7fpiUFS5Eyweg78T3dRAlbB0mKKctmArexmvclmAk8 +jhvh3TaHK0u7aNM5Zj2gJsfyOZEdUauCe37Vzlrk4gNXcGmXCPleWKYK34wGmkUW +FjgKXlf2Ysd6AgXmvB618p70qSmD+LIU424oh0TDkBreOKk8rENNZEXO3SipXPJz +ewT4F+irsfMuXGRuczE6Eri8sxHkfY+BUZo7jYn0TZNmezwD7dOaHZrzZVD1oNB1 +ny+v8OqCQ5j4aZyJecRDjkZy42Q2Eq/3JR44iZB3fsNrarnDy0RLrHiQi+fHLB5L +EUTINFInzQpdn4XBidUaePKVEFMy3YCEZnXZtWgo+2EuvoSoOMCZEoalHmdkrQYu +L6lwhceWD3yJZfWOQ1QOq92lgDmUYMA0yZZwLKMS9R9Ie70cfmu3nZD0Ijuu+Pwq +yvqCUqDvr0tVk+vBtfAii6w0TiYiBKGHLHVKt+V9E9e4DGTANtLJL4YSjCMJwRuC +O3NJo2pXh5Tl1njFmUNj403gdy3hZZlyaQQaRwnmDwFWJPsfvw55qVguucQJAX6V +um0ABj6y6koQOdjQK/W/7HW/lwLFCRsI3FU34oH7N4RDYiDK51ZLZer+bMEkkySh +NOsF/5oirpt9P/FlUQqmMGqz9IgcgA38corog14= +-----END CERTIFICATE-----` diff --git a/gcc-4.7/libgo/go/crypto/x509/x509.go b/gcc-4.7/libgo/go/crypto/x509/x509.go new file mode 100644 index 000000000..c4d85e67f --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/x509.go @@ -0,0 +1,1066 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package x509 parses X.509-encoded keys and certificates. +package x509 + +import ( + "bytes" + "crypto" + "crypto/dsa" + "crypto/rsa" + "crypto/sha1" + "crypto/x509/pkix" + "encoding/asn1" + "encoding/pem" + "errors" + "io" + "math/big" + "time" +) + +// pkixPublicKey reflects a PKIX public key structure. See SubjectPublicKeyInfo +// in RFC 3280. +type pkixPublicKey struct { + Algo pkix.AlgorithmIdentifier + BitString asn1.BitString +} + +// ParsePKIXPublicKey parses a DER encoded public key. These values are +// typically found in PEM blocks with "BEGIN PUBLIC KEY". +func ParsePKIXPublicKey(derBytes []byte) (pub interface{}, err error) { + var pki publicKeyInfo + if _, err = asn1.Unmarshal(derBytes, &pki); err != nil { + return + } + algo := getPublicKeyAlgorithmFromOID(pki.Algorithm.Algorithm) + if algo == UnknownPublicKeyAlgorithm { + return nil, errors.New("ParsePKIXPublicKey: unknown public key algorithm") + } + return parsePublicKey(algo, &pki) +} + +// MarshalPKIXPublicKey serialises a public key to DER-encoded PKIX format. +func MarshalPKIXPublicKey(pub interface{}) ([]byte, error) { + var pubBytes []byte + + switch pub := pub.(type) { + case *rsa.PublicKey: + pubBytes, _ = asn1.Marshal(rsaPublicKey{ + N: pub.N, + E: pub.E, + }) + default: + return nil, errors.New("MarshalPKIXPublicKey: unknown public key type") + } + + pkix := pkixPublicKey{ + Algo: pkix.AlgorithmIdentifier{ + Algorithm: []int{1, 2, 840, 113549, 1, 1, 1}, + // This is a NULL parameters value which is technically + // superfluous, but most other code includes it and, by + // doing this, we match their public key hashes. + Parameters: asn1.RawValue{ + Tag: 5, + }, + }, + BitString: asn1.BitString{ + Bytes: pubBytes, + BitLength: 8 * len(pubBytes), + }, + } + + ret, _ := asn1.Marshal(pkix) + return ret, nil +} + +// These structures reflect the ASN.1 structure of X.509 certificates.: + +type certificate struct { + Raw asn1.RawContent + TBSCertificate tbsCertificate + SignatureAlgorithm pkix.AlgorithmIdentifier + SignatureValue asn1.BitString +} + +type tbsCertificate struct { + Raw asn1.RawContent + Version int `asn1:"optional,explicit,default:1,tag:0"` + SerialNumber *big.Int + SignatureAlgorithm pkix.AlgorithmIdentifier + Issuer asn1.RawValue + Validity validity + Subject asn1.RawValue + PublicKey publicKeyInfo + UniqueId asn1.BitString `asn1:"optional,tag:1"` + SubjectUniqueId asn1.BitString `asn1:"optional,tag:2"` + Extensions []pkix.Extension `asn1:"optional,explicit,tag:3"` +} + +type dsaAlgorithmParameters struct { + P, Q, G *big.Int +} + +type dsaSignature struct { + R, S *big.Int +} + +type validity struct { + NotBefore, NotAfter time.Time +} + +type publicKeyInfo struct { + Raw asn1.RawContent + Algorithm pkix.AlgorithmIdentifier + PublicKey asn1.BitString +} + +// RFC 5280, 4.2.1.1 +type authKeyId struct { + Id []byte `asn1:"optional,tag:0"` +} + +type SignatureAlgorithm int + +const ( + UnknownSignatureAlgorithm SignatureAlgorithm = iota + MD2WithRSA + MD5WithRSA + SHA1WithRSA + SHA256WithRSA + SHA384WithRSA + SHA512WithRSA + DSAWithSHA1 + DSAWithSHA256 +) + +type PublicKeyAlgorithm int + +const ( + UnknownPublicKeyAlgorithm PublicKeyAlgorithm = iota + RSA + DSA +) + +// OIDs for signature algorithms +// +// pkcs-1 OBJECT IDENTIFIER ::= { +// iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) 1 } +// +// +// RFC 3279 2.2.1 RSA Signature Algorithms +// +// md2WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 2 } +// +// md5WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 4 } +// +// sha-1WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 5 } +// +// dsaWithSha1 OBJECT IDENTIFIER ::= { +// iso(1) member-body(2) us(840) x9-57(10040) x9cm(4) 3 } +// +// +// RFC 4055 5 PKCS #1 Version 1.5 +// +// sha256WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 11 } +// +// sha384WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 12 } +// +// sha512WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 13 } +// +// +// RFC 5758 3.1 DSA Signature Algorithms +// +// dsaWithSha256 OBJECT IDENTIFIER ::= { +// joint-iso-ccitt(2) country(16) us(840) organization(1) gov(101) +// csor(3) algorithms(4) id-dsa-with-sha2(3) 2} +// +var ( + oidSignatureMD2WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 2} + oidSignatureMD5WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 4} + oidSignatureSHA1WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 5} + oidSignatureSHA256WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 11} + oidSignatureSHA384WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 12} + oidSignatureSHA512WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 13} + oidSignatureDSAWithSHA1 = asn1.ObjectIdentifier{1, 2, 840, 10040, 4, 3} + oidSignatureDSAWithSHA256 = asn1.ObjectIdentifier{2, 16, 840, 1, 101, 4, 3, 2} +) + +func getSignatureAlgorithmFromOID(oid asn1.ObjectIdentifier) SignatureAlgorithm { + switch { + case oid.Equal(oidSignatureMD2WithRSA): + return MD2WithRSA + case oid.Equal(oidSignatureMD5WithRSA): + return MD5WithRSA + case oid.Equal(oidSignatureSHA1WithRSA): + return SHA1WithRSA + case oid.Equal(oidSignatureSHA256WithRSA): + return SHA256WithRSA + case oid.Equal(oidSignatureSHA384WithRSA): + return SHA384WithRSA + case oid.Equal(oidSignatureSHA512WithRSA): + return SHA512WithRSA + case oid.Equal(oidSignatureDSAWithSHA1): + return DSAWithSHA1 + case oid.Equal(oidSignatureDSAWithSHA256): + return DSAWithSHA256 + } + return UnknownSignatureAlgorithm +} + +// RFC 3279, 2.3 Public Key Algorithms +// +// pkcs-1 OBJECT IDENTIFIER ::== { iso(1) member-body(2) us(840) +// rsadsi(113549) pkcs(1) 1 } +// +// rsaEncryption OBJECT IDENTIFIER ::== { pkcs1-1 1 } +// +// id-dsa OBJECT IDENTIFIER ::== { iso(1) member-body(2) us(840) +// x9-57(10040) x9cm(4) 1 } +var ( + oidPublicKeyRsa = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 1} + oidPublicKeyDsa = asn1.ObjectIdentifier{1, 2, 840, 10040, 4, 1} +) + +func getPublicKeyAlgorithmFromOID(oid asn1.ObjectIdentifier) PublicKeyAlgorithm { + switch { + case oid.Equal(oidPublicKeyRsa): + return RSA + case oid.Equal(oidPublicKeyDsa): + return DSA + } + return UnknownPublicKeyAlgorithm +} + +// KeyUsage represents the set of actions that are valid for a given key. It's +// a bitmap of the KeyUsage* constants. +type KeyUsage int + +const ( + KeyUsageDigitalSignature KeyUsage = 1 << iota + KeyUsageContentCommitment + KeyUsageKeyEncipherment + KeyUsageDataEncipherment + KeyUsageKeyAgreement + KeyUsageCertSign + KeyUsageCRLSign + KeyUsageEncipherOnly + KeyUsageDecipherOnly +) + +// RFC 5280, 4.2.1.12 Extended Key Usage +// +// anyExtendedKeyUsage OBJECT IDENTIFIER ::= { id-ce-extKeyUsage 0 } +// +// id-kp OBJECT IDENTIFIER ::= { id-pkix 3 } +// +// id-kp-serverAuth OBJECT IDENTIFIER ::= { id-kp 1 } +// id-kp-clientAuth OBJECT IDENTIFIER ::= { id-kp 2 } +// id-kp-codeSigning OBJECT IDENTIFIER ::= { id-kp 3 } +// id-kp-emailProtection OBJECT IDENTIFIER ::= { id-kp 4 } +// id-kp-timeStamping OBJECT IDENTIFIER ::= { id-kp 8 } +// id-kp-OCSPSigning OBJECT IDENTIFIER ::= { id-kp 9 } +var ( + oidExtKeyUsageAny = asn1.ObjectIdentifier{2, 5, 29, 37, 0} + oidExtKeyUsageServerAuth = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 1} + oidExtKeyUsageClientAuth = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 2} + oidExtKeyUsageCodeSigning = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 3} + oidExtKeyUsageEmailProtection = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 4} + oidExtKeyUsageTimeStamping = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 8} + oidExtKeyUsageOCSPSigning = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 9} +) + +// ExtKeyUsage represents an extended set of actions that are valid for a given key. +// Each of the ExtKeyUsage* constants define a unique action. +type ExtKeyUsage int + +const ( + ExtKeyUsageAny ExtKeyUsage = iota + ExtKeyUsageServerAuth + ExtKeyUsageClientAuth + ExtKeyUsageCodeSigning + ExtKeyUsageEmailProtection + ExtKeyUsageTimeStamping + ExtKeyUsageOCSPSigning +) + +// A Certificate represents an X.509 certificate. +type Certificate struct { + Raw []byte // Complete ASN.1 DER content (certificate, signature algorithm and signature). + RawTBSCertificate []byte // Certificate part of raw ASN.1 DER content. + RawSubjectPublicKeyInfo []byte // DER encoded SubjectPublicKeyInfo. + RawSubject []byte // DER encoded Subject + RawIssuer []byte // DER encoded Issuer + + Signature []byte + SignatureAlgorithm SignatureAlgorithm + + PublicKeyAlgorithm PublicKeyAlgorithm + PublicKey interface{} + + Version int + SerialNumber *big.Int + Issuer pkix.Name + Subject pkix.Name + NotBefore, NotAfter time.Time // Validity bounds. + KeyUsage KeyUsage + + ExtKeyUsage []ExtKeyUsage // Sequence of extended key usages. + UnknownExtKeyUsage []asn1.ObjectIdentifier // Encountered extended key usages unknown to this package. + + BasicConstraintsValid bool // if true then the next two fields are valid. + IsCA bool + MaxPathLen int + + SubjectKeyId []byte + AuthorityKeyId []byte + + // Subject Alternate Name values + DNSNames []string + EmailAddresses []string + + // Name constraints + PermittedDNSDomainsCritical bool // if true then the name constraints are marked critical. + PermittedDNSDomains []string + + PolicyIdentifiers []asn1.ObjectIdentifier +} + +// ErrUnsupportedAlgorithm results from attempting to perform an operation that +// involves algorithms that are not currently implemented. +var ErrUnsupportedAlgorithm = errors.New("crypto/x509: cannot verify signature: algorithm unimplemented") + +// ConstraintViolationError results when a requested usage is not permitted by +// a certificate. For example: checking a signature when the public key isn't a +// certificate signing key. +type ConstraintViolationError struct{} + +func (ConstraintViolationError) Error() string { + return "crypto/x509: invalid signature: parent certificate cannot sign this kind of certificate" +} + +func (c *Certificate) Equal(other *Certificate) bool { + return bytes.Equal(c.Raw, other.Raw) +} + +// CheckSignatureFrom verifies that the signature on c is a valid signature +// from parent. +func (c *Certificate) CheckSignatureFrom(parent *Certificate) (err error) { + // RFC 5280, 4.2.1.9: + // "If the basic constraints extension is not present in a version 3 + // certificate, or the extension is present but the cA boolean is not + // asserted, then the certified public key MUST NOT be used to verify + // certificate signatures." + if parent.Version == 3 && !parent.BasicConstraintsValid || + parent.BasicConstraintsValid && !parent.IsCA { + return ConstraintViolationError{} + } + + if parent.KeyUsage != 0 && parent.KeyUsage&KeyUsageCertSign == 0 { + return ConstraintViolationError{} + } + + if parent.PublicKeyAlgorithm == UnknownPublicKeyAlgorithm { + return ErrUnsupportedAlgorithm + } + + // TODO(agl): don't ignore the path length constraint. + + return parent.CheckSignature(c.SignatureAlgorithm, c.RawTBSCertificate, c.Signature) +} + +// CheckSignature verifies that signature is a valid signature over signed from +// c's public key. +func (c *Certificate) CheckSignature(algo SignatureAlgorithm, signed, signature []byte) (err error) { + var hashType crypto.Hash + + switch algo { + case SHA1WithRSA, DSAWithSHA1: + hashType = crypto.SHA1 + case SHA256WithRSA, DSAWithSHA256: + hashType = crypto.SHA256 + case SHA384WithRSA: + hashType = crypto.SHA384 + case SHA512WithRSA: + hashType = crypto.SHA512 + default: + return ErrUnsupportedAlgorithm + } + + if !hashType.Available() { + return ErrUnsupportedAlgorithm + } + h := hashType.New() + + h.Write(signed) + digest := h.Sum(nil) + + switch pub := c.PublicKey.(type) { + case *rsa.PublicKey: + return rsa.VerifyPKCS1v15(pub, hashType, digest, signature) + case *dsa.PublicKey: + dsaSig := new(dsaSignature) + if _, err := asn1.Unmarshal(signature, dsaSig); err != nil { + return err + } + if dsaSig.R.Sign() <= 0 || dsaSig.S.Sign() <= 0 { + return errors.New("DSA signature contained zero or negative values") + } + if !dsa.Verify(pub, digest, dsaSig.R, dsaSig.S) { + return errors.New("DSA verification failure") + } + return + } + return ErrUnsupportedAlgorithm +} + +// CheckCRLSignature checks that the signature in crl is from c. +func (c *Certificate) CheckCRLSignature(crl *pkix.CertificateList) (err error) { + algo := getSignatureAlgorithmFromOID(crl.SignatureAlgorithm.Algorithm) + return c.CheckSignature(algo, crl.TBSCertList.Raw, crl.SignatureValue.RightAlign()) +} + +type UnhandledCriticalExtension struct{} + +func (h UnhandledCriticalExtension) Error() string { + return "unhandled critical extension" +} + +type basicConstraints struct { + IsCA bool `asn1:"optional"` + MaxPathLen int `asn1:"optional,default:-1"` +} + +// RFC 5280 4.2.1.4 +type policyInformation struct { + Policy asn1.ObjectIdentifier + // policyQualifiers omitted +} + +// RFC 5280, 4.2.1.10 +type nameConstraints struct { + Permitted []generalSubtree `asn1:"optional,tag:0"` + Excluded []generalSubtree `asn1:"optional,tag:1"` +} + +type generalSubtree struct { + Name string `asn1:"tag:2,optional,ia5"` + Min int `asn1:"optional,tag:0"` + Max int `asn1:"optional,tag:1"` +} + +func parsePublicKey(algo PublicKeyAlgorithm, keyData *publicKeyInfo) (interface{}, error) { + asn1Data := keyData.PublicKey.RightAlign() + switch algo { + case RSA: + p := new(rsaPublicKey) + _, err := asn1.Unmarshal(asn1Data, p) + if err != nil { + return nil, err + } + + pub := &rsa.PublicKey{ + E: p.E, + N: p.N, + } + return pub, nil + case DSA: + var p *big.Int + _, err := asn1.Unmarshal(asn1Data, &p) + if err != nil { + return nil, err + } + paramsData := keyData.Algorithm.Parameters.FullBytes + params := new(dsaAlgorithmParameters) + _, err = asn1.Unmarshal(paramsData, params) + if err != nil { + return nil, err + } + if p.Sign() <= 0 || params.P.Sign() <= 0 || params.Q.Sign() <= 0 || params.G.Sign() <= 0 { + return nil, errors.New("zero or negative DSA parameter") + } + pub := &dsa.PublicKey{ + Parameters: dsa.Parameters{ + P: params.P, + Q: params.Q, + G: params.G, + }, + Y: p, + } + return pub, nil + default: + return nil, nil + } + panic("unreachable") +} + +func parseCertificate(in *certificate) (*Certificate, error) { + out := new(Certificate) + out.Raw = in.Raw + out.RawTBSCertificate = in.TBSCertificate.Raw + out.RawSubjectPublicKeyInfo = in.TBSCertificate.PublicKey.Raw + out.RawSubject = in.TBSCertificate.Subject.FullBytes + out.RawIssuer = in.TBSCertificate.Issuer.FullBytes + + out.Signature = in.SignatureValue.RightAlign() + out.SignatureAlgorithm = + getSignatureAlgorithmFromOID(in.TBSCertificate.SignatureAlgorithm.Algorithm) + + out.PublicKeyAlgorithm = + getPublicKeyAlgorithmFromOID(in.TBSCertificate.PublicKey.Algorithm.Algorithm) + var err error + out.PublicKey, err = parsePublicKey(out.PublicKeyAlgorithm, &in.TBSCertificate.PublicKey) + if err != nil { + return nil, err + } + + if in.TBSCertificate.SerialNumber.Sign() < 0 { + return nil, errors.New("negative serial number") + } + + out.Version = in.TBSCertificate.Version + 1 + out.SerialNumber = in.TBSCertificate.SerialNumber + + var issuer, subject pkix.RDNSequence + if _, err := asn1.Unmarshal(in.TBSCertificate.Subject.FullBytes, &subject); err != nil { + return nil, err + } + if _, err := asn1.Unmarshal(in.TBSCertificate.Issuer.FullBytes, &issuer); err != nil { + return nil, err + } + + out.Issuer.FillFromRDNSequence(&issuer) + out.Subject.FillFromRDNSequence(&subject) + + out.NotBefore = in.TBSCertificate.Validity.NotBefore + out.NotAfter = in.TBSCertificate.Validity.NotAfter + + for _, e := range in.TBSCertificate.Extensions { + if len(e.Id) == 4 && e.Id[0] == 2 && e.Id[1] == 5 && e.Id[2] == 29 { + switch e.Id[3] { + case 15: + // RFC 5280, 4.2.1.3 + var usageBits asn1.BitString + _, err := asn1.Unmarshal(e.Value, &usageBits) + + if err == nil { + var usage int + for i := 0; i < 9; i++ { + if usageBits.At(i) != 0 { + usage |= 1 << uint(i) + } + } + out.KeyUsage = KeyUsage(usage) + continue + } + case 19: + // RFC 5280, 4.2.1.9 + var constraints basicConstraints + _, err := asn1.Unmarshal(e.Value, &constraints) + + if err == nil { + out.BasicConstraintsValid = true + out.IsCA = constraints.IsCA + out.MaxPathLen = constraints.MaxPathLen + continue + } + case 17: + // RFC 5280, 4.2.1.6 + + // SubjectAltName ::= GeneralNames + // + // GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName + // + // GeneralName ::= CHOICE { + // otherName [0] OtherName, + // rfc822Name [1] IA5String, + // dNSName [2] IA5String, + // x400Address [3] ORAddress, + // directoryName [4] Name, + // ediPartyName [5] EDIPartyName, + // uniformResourceIdentifier [6] IA5String, + // iPAddress [7] OCTET STRING, + // registeredID [8] OBJECT IDENTIFIER } + var seq asn1.RawValue + _, err := asn1.Unmarshal(e.Value, &seq) + if err != nil { + return nil, err + } + if !seq.IsCompound || seq.Tag != 16 || seq.Class != 0 { + return nil, asn1.StructuralError{Msg: "bad SAN sequence"} + } + + parsedName := false + + rest := seq.Bytes + for len(rest) > 0 { + var v asn1.RawValue + rest, err = asn1.Unmarshal(rest, &v) + if err != nil { + return nil, err + } + switch v.Tag { + case 1: + out.EmailAddresses = append(out.EmailAddresses, string(v.Bytes)) + parsedName = true + case 2: + out.DNSNames = append(out.DNSNames, string(v.Bytes)) + parsedName = true + } + } + + if parsedName { + continue + } + // If we didn't parse any of the names then we + // fall through to the critical check below. + + case 30: + // RFC 5280, 4.2.1.10 + + // NameConstraints ::= SEQUENCE { + // permittedSubtrees [0] GeneralSubtrees OPTIONAL, + // excludedSubtrees [1] GeneralSubtrees OPTIONAL } + // + // GeneralSubtrees ::= SEQUENCE SIZE (1..MAX) OF GeneralSubtree + // + // GeneralSubtree ::= SEQUENCE { + // base GeneralName, + // minimum [0] BaseDistance DEFAULT 0, + // maximum [1] BaseDistance OPTIONAL } + // + // BaseDistance ::= INTEGER (0..MAX) + + var constraints nameConstraints + _, err := asn1.Unmarshal(e.Value, &constraints) + if err != nil { + return nil, err + } + + if len(constraints.Excluded) > 0 && e.Critical { + return out, UnhandledCriticalExtension{} + } + + for _, subtree := range constraints.Permitted { + if subtree.Min > 0 || subtree.Max > 0 || len(subtree.Name) == 0 { + if e.Critical { + return out, UnhandledCriticalExtension{} + } + continue + } + out.PermittedDNSDomains = append(out.PermittedDNSDomains, subtree.Name) + } + continue + + case 35: + // RFC 5280, 4.2.1.1 + var a authKeyId + _, err = asn1.Unmarshal(e.Value, &a) + if err != nil { + return nil, err + } + out.AuthorityKeyId = a.Id + continue + + case 37: + // RFC 5280, 4.2.1.12. Extended Key Usage + + // id-ce-extKeyUsage OBJECT IDENTIFIER ::= { id-ce 37 } + // + // ExtKeyUsageSyntax ::= SEQUENCE SIZE (1..MAX) OF KeyPurposeId + // + // KeyPurposeId ::= OBJECT IDENTIFIER + + var keyUsage []asn1.ObjectIdentifier + _, err = asn1.Unmarshal(e.Value, &keyUsage) + if err != nil { + return nil, err + } + + for _, u := range keyUsage { + switch { + case u.Equal(oidExtKeyUsageAny): + out.ExtKeyUsage = append(out.ExtKeyUsage, ExtKeyUsageAny) + case u.Equal(oidExtKeyUsageServerAuth): + out.ExtKeyUsage = append(out.ExtKeyUsage, ExtKeyUsageServerAuth) + case u.Equal(oidExtKeyUsageClientAuth): + out.ExtKeyUsage = append(out.ExtKeyUsage, ExtKeyUsageClientAuth) + case u.Equal(oidExtKeyUsageCodeSigning): + out.ExtKeyUsage = append(out.ExtKeyUsage, ExtKeyUsageCodeSigning) + case u.Equal(oidExtKeyUsageEmailProtection): + out.ExtKeyUsage = append(out.ExtKeyUsage, ExtKeyUsageEmailProtection) + case u.Equal(oidExtKeyUsageTimeStamping): + out.ExtKeyUsage = append(out.ExtKeyUsage, ExtKeyUsageTimeStamping) + case u.Equal(oidExtKeyUsageOCSPSigning): + out.ExtKeyUsage = append(out.ExtKeyUsage, ExtKeyUsageOCSPSigning) + default: + out.UnknownExtKeyUsage = append(out.UnknownExtKeyUsage, u) + } + } + + continue + + case 14: + // RFC 5280, 4.2.1.2 + var keyid []byte + _, err = asn1.Unmarshal(e.Value, &keyid) + if err != nil { + return nil, err + } + out.SubjectKeyId = keyid + continue + + case 32: + // RFC 5280 4.2.1.4: Certificate Policies + var policies []policyInformation + if _, err = asn1.Unmarshal(e.Value, &policies); err != nil { + return nil, err + } + out.PolicyIdentifiers = make([]asn1.ObjectIdentifier, len(policies)) + for i, policy := range policies { + out.PolicyIdentifiers[i] = policy.Policy + } + } + } + + if e.Critical { + return out, UnhandledCriticalExtension{} + } + } + + return out, nil +} + +// ParseCertificate parses a single certificate from the given ASN.1 DER data. +func ParseCertificate(asn1Data []byte) (*Certificate, error) { + var cert certificate + rest, err := asn1.Unmarshal(asn1Data, &cert) + if err != nil { + return nil, err + } + if len(rest) > 0 { + return nil, asn1.SyntaxError{Msg: "trailing data"} + } + + return parseCertificate(&cert) +} + +// ParseCertificates parses one or more certificates from the given ASN.1 DER +// data. The certificates must be concatenated with no intermediate padding. +func ParseCertificates(asn1Data []byte) ([]*Certificate, error) { + var v []*certificate + + for len(asn1Data) > 0 { + cert := new(certificate) + var err error + asn1Data, err = asn1.Unmarshal(asn1Data, cert) + if err != nil { + return nil, err + } + v = append(v, cert) + } + + ret := make([]*Certificate, len(v)) + for i, ci := range v { + cert, err := parseCertificate(ci) + if err != nil { + return nil, err + } + ret[i] = cert + } + + return ret, nil +} + +func reverseBitsInAByte(in byte) byte { + b1 := in>>4 | in<<4 + b2 := b1>>2&0x33 | b1<<2&0xcc + b3 := b2>>1&0x55 | b2<<1&0xaa + return b3 +} + +var ( + oidExtensionSubjectKeyId = []int{2, 5, 29, 14} + oidExtensionKeyUsage = []int{2, 5, 29, 15} + oidExtensionAuthorityKeyId = []int{2, 5, 29, 35} + oidExtensionBasicConstraints = []int{2, 5, 29, 19} + oidExtensionSubjectAltName = []int{2, 5, 29, 17} + oidExtensionCertificatePolicies = []int{2, 5, 29, 32} + oidExtensionNameConstraints = []int{2, 5, 29, 30} +) + +func buildExtensions(template *Certificate) (ret []pkix.Extension, err error) { + ret = make([]pkix.Extension, 7 /* maximum number of elements. */) + n := 0 + + if template.KeyUsage != 0 { + ret[n].Id = oidExtensionKeyUsage + ret[n].Critical = true + + var a [2]byte + a[0] = reverseBitsInAByte(byte(template.KeyUsage)) + a[1] = reverseBitsInAByte(byte(template.KeyUsage >> 8)) + + l := 1 + if a[1] != 0 { + l = 2 + } + + ret[n].Value, err = asn1.Marshal(asn1.BitString{Bytes: a[0:l], BitLength: l * 8}) + if err != nil { + return + } + n++ + } + + if template.BasicConstraintsValid { + ret[n].Id = oidExtensionBasicConstraints + ret[n].Value, err = asn1.Marshal(basicConstraints{template.IsCA, template.MaxPathLen}) + ret[n].Critical = true + if err != nil { + return + } + n++ + } + + if len(template.SubjectKeyId) > 0 { + ret[n].Id = oidExtensionSubjectKeyId + ret[n].Value, err = asn1.Marshal(template.SubjectKeyId) + if err != nil { + return + } + n++ + } + + if len(template.AuthorityKeyId) > 0 { + ret[n].Id = oidExtensionAuthorityKeyId + ret[n].Value, err = asn1.Marshal(authKeyId{template.AuthorityKeyId}) + if err != nil { + return + } + n++ + } + + if len(template.DNSNames) > 0 { + ret[n].Id = oidExtensionSubjectAltName + rawValues := make([]asn1.RawValue, len(template.DNSNames)) + for i, name := range template.DNSNames { + rawValues[i] = asn1.RawValue{Tag: 2, Class: 2, Bytes: []byte(name)} + } + ret[n].Value, err = asn1.Marshal(rawValues) + if err != nil { + return + } + n++ + } + + if len(template.PolicyIdentifiers) > 0 { + ret[n].Id = oidExtensionCertificatePolicies + policies := make([]policyInformation, len(template.PolicyIdentifiers)) + for i, policy := range template.PolicyIdentifiers { + policies[i].Policy = policy + } + ret[n].Value, err = asn1.Marshal(policies) + if err != nil { + return + } + n++ + } + + if len(template.PermittedDNSDomains) > 0 { + ret[n].Id = oidExtensionNameConstraints + ret[n].Critical = template.PermittedDNSDomainsCritical + + var out nameConstraints + out.Permitted = make([]generalSubtree, len(template.PermittedDNSDomains)) + for i, permitted := range template.PermittedDNSDomains { + out.Permitted[i] = generalSubtree{Name: permitted} + } + ret[n].Value, err = asn1.Marshal(out) + if err != nil { + return + } + n++ + } + + // Adding another extension here? Remember to update the maximum number + // of elements in the make() at the top of the function. + + return ret[0:n], nil +} + +var ( + oidSHA1WithRSA = []int{1, 2, 840, 113549, 1, 1, 5} + oidRSA = []int{1, 2, 840, 113549, 1, 1, 1} +) + +func subjectBytes(cert *Certificate) ([]byte, error) { + if len(cert.RawSubject) > 0 { + return cert.RawSubject, nil + } + + return asn1.Marshal(cert.Subject.ToRDNSequence()) +} + +// CreateCertificate creates a new certificate based on a template. The +// following members of template are used: SerialNumber, Subject, NotBefore, +// NotAfter, KeyUsage, BasicConstraintsValid, IsCA, MaxPathLen, SubjectKeyId, +// DNSNames, PermittedDNSDomainsCritical, PermittedDNSDomains. +// +// The certificate is signed by parent. If parent is equal to template then the +// certificate is self-signed. The parameter pub is the public key of the +// signee and priv is the private key of the signer. +// +// The returned slice is the certificate in DER encoding. +// +// The only supported key type is RSA (*rsa.PublicKey for pub, *rsa.PrivateKey +// for priv). +func CreateCertificate(rand io.Reader, template, parent *Certificate, pub interface{}, priv interface{}) (cert []byte, err error) { + rsaPub, ok := pub.(*rsa.PublicKey) + if !ok { + return nil, errors.New("x509: non-RSA public keys not supported") + } + + rsaPriv, ok := priv.(*rsa.PrivateKey) + if !ok { + return nil, errors.New("x509: non-RSA private keys not supported") + } + + asn1PublicKey, err := asn1.Marshal(rsaPublicKey{ + N: rsaPub.N, + E: rsaPub.E, + }) + if err != nil { + return + } + + if len(parent.SubjectKeyId) > 0 { + template.AuthorityKeyId = parent.SubjectKeyId + } + + extensions, err := buildExtensions(template) + if err != nil { + return + } + + asn1Issuer, err := subjectBytes(parent) + if err != nil { + return + } + + asn1Subject, err := subjectBytes(template) + if err != nil { + return + } + + encodedPublicKey := asn1.BitString{BitLength: len(asn1PublicKey) * 8, Bytes: asn1PublicKey} + c := tbsCertificate{ + Version: 2, + SerialNumber: template.SerialNumber, + SignatureAlgorithm: pkix.AlgorithmIdentifier{Algorithm: oidSHA1WithRSA}, + Issuer: asn1.RawValue{FullBytes: asn1Issuer}, + Validity: validity{template.NotBefore, template.NotAfter}, + Subject: asn1.RawValue{FullBytes: asn1Subject}, + PublicKey: publicKeyInfo{nil, pkix.AlgorithmIdentifier{Algorithm: oidRSA}, encodedPublicKey}, + Extensions: extensions, + } + + tbsCertContents, err := asn1.Marshal(c) + if err != nil { + return + } + + c.Raw = tbsCertContents + + h := sha1.New() + h.Write(tbsCertContents) + digest := h.Sum(nil) + + signature, err := rsa.SignPKCS1v15(rand, rsaPriv, crypto.SHA1, digest) + if err != nil { + return + } + + cert, err = asn1.Marshal(certificate{ + nil, + c, + pkix.AlgorithmIdentifier{Algorithm: oidSHA1WithRSA}, + asn1.BitString{Bytes: signature, BitLength: len(signature) * 8}, + }) + return +} + +// pemCRLPrefix is the magic string that indicates that we have a PEM encoded +// CRL. +var pemCRLPrefix = []byte("-----BEGIN X509 CRL") + +// pemType is the type of a PEM encoded CRL. +var pemType = "X509 CRL" + +// ParseCRL parses a CRL from the given bytes. It's often the case that PEM +// encoded CRLs will appear where they should be DER encoded, so this function +// will transparently handle PEM encoding as long as there isn't any leading +// garbage. +func ParseCRL(crlBytes []byte) (certList *pkix.CertificateList, err error) { + if bytes.HasPrefix(crlBytes, pemCRLPrefix) { + block, _ := pem.Decode(crlBytes) + if block != nil && block.Type == pemType { + crlBytes = block.Bytes + } + } + return ParseDERCRL(crlBytes) +} + +// ParseDERCRL parses a DER encoded CRL from the given bytes. +func ParseDERCRL(derBytes []byte) (certList *pkix.CertificateList, err error) { + certList = new(pkix.CertificateList) + _, err = asn1.Unmarshal(derBytes, certList) + if err != nil { + certList = nil + } + return +} + +// CreateCRL returns a DER encoded CRL, signed by this Certificate, that +// contains the given list of revoked certificates. +// +// The only supported key type is RSA (*rsa.PrivateKey for priv). +func (c *Certificate) CreateCRL(rand io.Reader, priv interface{}, revokedCerts []pkix.RevokedCertificate, now, expiry time.Time) (crlBytes []byte, err error) { + rsaPriv, ok := priv.(*rsa.PrivateKey) + if !ok { + return nil, errors.New("x509: non-RSA private keys not supported") + } + tbsCertList := pkix.TBSCertificateList{ + Version: 2, + Signature: pkix.AlgorithmIdentifier{ + Algorithm: oidSignatureSHA1WithRSA, + }, + Issuer: c.Subject.ToRDNSequence(), + ThisUpdate: now, + NextUpdate: expiry, + RevokedCertificates: revokedCerts, + } + + tbsCertListContents, err := asn1.Marshal(tbsCertList) + if err != nil { + return + } + + h := sha1.New() + h.Write(tbsCertListContents) + digest := h.Sum(nil) + + signature, err := rsa.SignPKCS1v15(rand, rsaPriv, crypto.SHA1, digest) + if err != nil { + return + } + + return asn1.Marshal(pkix.CertificateList{ + TBSCertList: tbsCertList, + SignatureAlgorithm: pkix.AlgorithmIdentifier{ + Algorithm: oidSignatureSHA1WithRSA, + }, + SignatureValue: asn1.BitString{Bytes: signature, BitLength: len(signature) * 8}, + }) +} diff --git a/gcc-4.7/libgo/go/crypto/x509/x509_test.go b/gcc-4.7/libgo/go/crypto/x509/x509_test.go new file mode 100644 index 000000000..f0327b012 --- /dev/null +++ b/gcc-4.7/libgo/go/crypto/x509/x509_test.go @@ -0,0 +1,475 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package x509 + +import ( + "bytes" + "crypto/dsa" + "crypto/rand" + "crypto/rsa" + "crypto/x509/pkix" + "encoding/asn1" + "encoding/base64" + "encoding/hex" + "encoding/pem" + "math/big" + "testing" + "time" +) + +func TestParsePKCS1PrivateKey(t *testing.T) { + block, _ := pem.Decode([]byte(pemPrivateKey)) + priv, err := ParsePKCS1PrivateKey(block.Bytes) + if err != nil { + t.Errorf("Failed to parse private key: %s", err) + return + } + if priv.PublicKey.N.Cmp(rsaPrivateKey.PublicKey.N) != 0 || + priv.PublicKey.E != rsaPrivateKey.PublicKey.E || + priv.D.Cmp(rsaPrivateKey.D) != 0 || + priv.Primes[0].Cmp(rsaPrivateKey.Primes[0]) != 0 || + priv.Primes[1].Cmp(rsaPrivateKey.Primes[1]) != 0 { + t.Errorf("got:%+v want:%+v", priv, rsaPrivateKey) + } +} + +func TestParsePKIXPublicKey(t *testing.T) { + block, _ := pem.Decode([]byte(pemPublicKey)) + pub, err := ParsePKIXPublicKey(block.Bytes) + if err != nil { + t.Errorf("Failed to parse RSA public key: %s", err) + return + } + rsaPub, ok := pub.(*rsa.PublicKey) + if !ok { + t.Errorf("Value returned from ParsePKIXPublicKey was not an RSA public key") + return + } + + pubBytes2, err := MarshalPKIXPublicKey(rsaPub) + if err != nil { + t.Errorf("Failed to marshal RSA public key for the second time: %s", err) + return + } + if !bytes.Equal(pubBytes2, block.Bytes) { + t.Errorf("Reserialization of public key didn't match. got %x, want %x", pubBytes2, block.Bytes) + } +} + +var pemPublicKey = `-----BEGIN PUBLIC KEY----- +MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VoPN9PKUjKFLMwOge6+ +wnDi8sbETGIx2FKXGgqtAKpzmem53kRGEQg8WeqRmp12wgp74TGpkEXsGae7RS1k +enJCnma4fii+noGH7R0qKgHvPrI2Bwa9hzsH8tHxpyM3qrXslOmD45EH9SxIDUBJ +FehNdaPbLP1gFyahKMsdfxFJLUvbUycuZSJ2ZnIgeVxwm4qbSvZInL9Iu4FzuPtg +fINKcbbovy1qq4KvPIrXzhbY3PWDc6btxCf3SE0JdE1MCPThntB62/bLMSQ7xdDR +FF53oIpvxe/SCOymfWq/LW849Ytv3Xwod0+wzAP8STXG4HSELS4UedPYeHJJJYcZ ++QIDAQAB +-----END PUBLIC KEY----- +` + +var pemPrivateKey = `-----BEGIN RSA PRIVATE KEY----- +MIIBOgIBAAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0 +fd7Ai2KW5ToIwzFofvJcS/STa6HA5gQenRUCAwEAAQJBAIq9amn00aS0h/CrjXqu +/ThglAXJmZhOMPVn4eiu7/ROixi9sex436MaVeMqSNf7Ex9a8fRNfWss7Sqd9eWu +RTUCIQDasvGASLqmjeffBNLTXV2A5g4t+kLVCpsEIZAycV5GswIhANEPLmax0ME/ +EO+ZJ79TJKN5yiGBRsv5yvx5UiHxajEXAiAhAol5N4EUyq6I9w1rYdhPMGpLfk7A +IU2snfRJ6Nq2CQIgFrPsWRCkV+gOYcajD17rEqmuLrdIRexpg8N1DOSXoJ8CIGlS +tAboUGBxTDq3ZroNism3DaMIbKPyYrAqhKov1h5V +-----END RSA PRIVATE KEY----- +` + +func bigFromString(s string) *big.Int { + ret := new(big.Int) + ret.SetString(s, 10) + return ret +} + +func fromBase10(base10 string) *big.Int { + i := new(big.Int) + i.SetString(base10, 10) + return i +} + +func bigFromHexString(s string) *big.Int { + ret := new(big.Int) + ret.SetString(s, 16) + return ret +} + +var rsaPrivateKey = &rsa.PrivateKey{ + PublicKey: rsa.PublicKey{ + N: bigFromString("9353930466774385905609975137998169297361893554149986716853295022578535724979677252958524466350471210367835187480748268864277464700638583474144061408845077"), + E: 65537, + }, + D: bigFromString("7266398431328116344057699379749222532279343923819063639497049039389899328538543087657733766554155839834519529439851673014800261285757759040931985506583861"), + Primes: []*big.Int{ + bigFromString("98920366548084643601728869055592650835572950932266967461790948584315647051443"), + bigFromString("94560208308847015747498523884063394671606671904944666360068158221458669711639"), + }, +} + +func TestMarshalRSAPrivateKey(t *testing.T) { + priv := &rsa.PrivateKey{ + PublicKey: rsa.PublicKey{ + N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"), + E: 3, + }, + D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"), + Primes: []*big.Int{ + fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"), + fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"), + fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"), + }, + } + + derBytes := MarshalPKCS1PrivateKey(priv) + + priv2, err := ParsePKCS1PrivateKey(derBytes) + if err != nil { + t.Errorf("error parsing serialized key: %s", err) + return + } + if priv.PublicKey.N.Cmp(priv2.PublicKey.N) != 0 || + priv.PublicKey.E != priv2.PublicKey.E || + priv.D.Cmp(priv2.D) != 0 || + len(priv2.Primes) != 3 || + priv.Primes[0].Cmp(priv2.Primes[0]) != 0 || + priv.Primes[1].Cmp(priv2.Primes[1]) != 0 || + priv.Primes[2].Cmp(priv2.Primes[2]) != 0 { + t.Errorf("got:%+v want:%+v", priv, priv2) + } +} + +type matchHostnamesTest struct { + pattern, host string + ok bool +} + +var matchHostnamesTests = []matchHostnamesTest{ + {"a.b.c", "a.b.c", true}, + {"a.b.c", "b.b.c", false}, + {"", "b.b.c", false}, + {"a.b.c", "", false}, + {"example.com", "example.com", true}, + {"example.com", "www.example.com", false}, + {"*.example.com", "www.example.com", true}, + {"*.example.com", "xyz.www.example.com", false}, + {"*.*.example.com", "xyz.www.example.com", true}, + {"*.www.*.com", "xyz.www.example.com", true}, +} + +func TestMatchHostnames(t *testing.T) { + for i, test := range matchHostnamesTests { + r := matchHostnames(test.pattern, test.host) + if r != test.ok { + t.Errorf("#%d mismatch got: %t want: %t", i, r, test.ok) + } + } +} + +func TestCertificateParse(t *testing.T) { + s, _ := hex.DecodeString(certBytes) + certs, err := ParseCertificates(s) + if err != nil { + t.Error(err) + } + if len(certs) != 2 { + t.Errorf("Wrong number of certs: got %d want 2", len(certs)) + return + } + + err = certs[0].CheckSignatureFrom(certs[1]) + if err != nil { + t.Error(err) + } + + if err := certs[0].VerifyHostname("mail.google.com"); err != nil { + t.Error(err) + } +} + +var certBytes = "308203223082028ba00302010202106edf0d9499fd4533dd1297fc42a93be1300d06092a864886" + + "f70d0101050500304c310b3009060355040613025a4131253023060355040a131c546861777465" + + "20436f6e73756c74696e67202850747929204c74642e311630140603550403130d546861777465" + + "20534743204341301e170d3039303332353136343932395a170d3130303332353136343932395a" + + "3069310b3009060355040613025553311330110603550408130a43616c69666f726e6961311630" + + "140603550407130d4d6f756e7461696e205669657731133011060355040a130a476f6f676c6520" + + "496e63311830160603550403130f6d61696c2e676f6f676c652e636f6d30819f300d06092a8648" + + "86f70d010101050003818d0030818902818100c5d6f892fccaf5614b064149e80a2c9581a218ef" + + "41ec35bd7a58125ae76f9ea54ddc893abbeb029f6b73616bf0ffd868791fba7af9c4aebf3706ba" + + "3eeaeed27435b4ddcfb157c05f351d66aa87fee0de072d66d773affbd36ab78bef090e0cc861a9" + + "03ac90dd98b51c9c41566c017f0beec3bff391051ffba0f5cc6850ad2a590203010001a381e730" + + "81e430280603551d250421301f06082b0601050507030106082b06010505070302060960864801" + + "86f842040130360603551d1f042f302d302ba029a0278625687474703a2f2f63726c2e74686177" + + "74652e636f6d2f54686177746553474343412e63726c307206082b060105050701010466306430" + + "2206082b060105050730018616687474703a2f2f6f6373702e7468617774652e636f6d303e0608" + + "2b060105050730028632687474703a2f2f7777772e7468617774652e636f6d2f7265706f736974" + + "6f72792f5468617774655f5347435f43412e637274300c0603551d130101ff04023000300d0609" + + "2a864886f70d01010505000381810062f1f3050ebc105e497c7aedf87e24d2f4a986bb3b837bd1" + + "9b91ebcad98b065992f6bd2b49b7d6d3cb2e427a99d606c7b1d46352527fac39e6a8b6726de5bf" + + "70212a52cba07634a5e332011bd1868e78eb5e3c93cf03072276786f207494feaa0ed9d53b2110" + + "a76571f90209cdae884385c882587030ee15f33d761e2e45a6bc308203233082028ca003020102" + + "020430000002300d06092a864886f70d0101050500305f310b3009060355040613025553311730" + + "15060355040a130e566572695369676e2c20496e632e31373035060355040b132e436c61737320" + + "33205075626c6963205072696d6172792043657274696669636174696f6e20417574686f726974" + + "79301e170d3034303531333030303030305a170d3134303531323233353935395a304c310b3009" + + "060355040613025a4131253023060355040a131c54686177746520436f6e73756c74696e672028" + + "50747929204c74642e311630140603550403130d5468617774652053474320434130819f300d06" + + "092a864886f70d010101050003818d0030818902818100d4d367d08d157faecd31fe7d1d91a13f" + + "0b713cacccc864fb63fc324b0794bd6f80ba2fe10493c033fc093323e90b742b71c403c6d2cde2" + + "2ff50963cdff48a500bfe0e7f388b72d32de9836e60aad007bc4644a3b847503f270927d0e62f5" + + "21ab693684317590f8bfc76c881b06957cc9e5a8de75a12c7a68dfd5ca1c875860190203010001" + + "a381fe3081fb30120603551d130101ff040830060101ff020100300b0603551d0f040403020106" + + "301106096086480186f842010104040302010630280603551d110421301fa41d301b3119301706" + + "035504031310507269766174654c6162656c332d313530310603551d1f042a30283026a024a022" + + "8620687474703a2f2f63726c2e766572697369676e2e636f6d2f706361332e63726c303206082b" + + "0601050507010104263024302206082b060105050730018616687474703a2f2f6f6373702e7468" + + "617774652e636f6d30340603551d25042d302b06082b0601050507030106082b06010505070302" + + "06096086480186f8420401060a6086480186f845010801300d06092a864886f70d010105050003" + + "81810055ac63eadea1ddd2905f9f0bce76be13518f93d9052bc81b774bad6950a1eededcfddb07" + + "e9e83994dcab72792f06bfab8170c4a8edea5334edef1e53d906c7562bd15cf4d18a8eb42bb137" + + "9048084225c53e8acb7feb6f04d16dc574a2f7a27c7b603c77cd0ece48027f012fb69b37e02a2a" + + "36dcd585d6ace53f546f961e05af" + +func TestCreateSelfSignedCertificate(t *testing.T) { + random := rand.Reader + + block, _ := pem.Decode([]byte(pemPrivateKey)) + priv, err := ParsePKCS1PrivateKey(block.Bytes) + if err != nil { + t.Errorf("Failed to parse private key: %s", err) + return + } + + commonName := "test.example.com" + template := Certificate{ + SerialNumber: big.NewInt(1), + Subject: pkix.Name{ + CommonName: commonName, + Organization: []string{"Acme Co"}, + }, + NotBefore: time.Unix(1000, 0), + NotAfter: time.Unix(100000, 0), + + SubjectKeyId: []byte{1, 2, 3, 4}, + KeyUsage: KeyUsageCertSign, + + BasicConstraintsValid: true, + IsCA: true, + DNSNames: []string{"test.example.com"}, + + PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}}, + PermittedDNSDomains: []string{".example.com", "example.com"}, + } + + derBytes, err := CreateCertificate(random, &template, &template, &priv.PublicKey, priv) + if err != nil { + t.Errorf("Failed to create certificate: %s", err) + return + } + + cert, err := ParseCertificate(derBytes) + if err != nil { + t.Errorf("Failed to parse certificate: %s", err) + return + } + + if len(cert.PolicyIdentifiers) != 1 || !cert.PolicyIdentifiers[0].Equal(template.PolicyIdentifiers[0]) { + t.Errorf("Failed to parse policy identifiers: got:%#v want:%#v", cert.PolicyIdentifiers, template.PolicyIdentifiers) + } + + if len(cert.PermittedDNSDomains) != 2 || cert.PermittedDNSDomains[0] != ".example.com" || cert.PermittedDNSDomains[1] != "example.com" { + t.Errorf("Failed to parse name constraints: %#v", cert.PermittedDNSDomains) + } + + if cert.Subject.CommonName != commonName { + t.Errorf("Subject wasn't correctly copied from the template. Got %s, want %s", cert.Subject.CommonName, commonName) + } + + if cert.Issuer.CommonName != commonName { + t.Errorf("Issuer wasn't correctly copied from the template. Got %s, want %s", cert.Issuer.CommonName, commonName) + } + + err = cert.CheckSignatureFrom(cert) + if err != nil { + t.Errorf("Signature verification failed: %s", err) + return + } +} + +// Self-signed certificate using DSA with SHA1 +var dsaCertPem = `-----BEGIN CERTIFICATE----- +MIIEDTCCA82gAwIBAgIJALHPghaoxeDhMAkGByqGSM44BAMweTELMAkGA1UEBhMC +VVMxCzAJBgNVBAgTAk5DMQ8wDQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2ds +ZSwgSW5jMRIwEAYDVQQDEwlKb24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFs +bGllQGdvb2dsZS5jb20wHhcNMTEwNTE0MDMwMTQ1WhcNMTEwNjEzMDMwMTQ1WjB5 +MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTkMxDzANBgNVBAcTBk5ld3RvbjEUMBIG +A1UEChMLR29vZ2xlLCBJbmMxEjAQBgNVBAMTCUpvbiBBbGxpZTEiMCAGCSqGSIb3 +DQEJARYTam9uYWxsaWVAZ29vZ2xlLmNvbTCCAbcwggEsBgcqhkjOOAQBMIIBHwKB +gQC8hLUnQ7FpFYu4WXTj6DKvXvz8QrJkNJCVMTpKAT7uBpobk32S5RrPKXocd4gN +8lyGB9ggS03EVlEwXvSmO0DH2MQtke2jl9j1HLydClMf4sbx5V6TV9IFw505U1iW +jL7awRMgxge+FsudtJK254FjMFo03ZnOQ8ZJJ9E6AEDrlwIVAJpnBn9moyP11Ox5 +Asc/5dnjb6dPAoGBAJFHd4KVv1iTVCvEG6gGiYop5DJh28hUQcN9kul+2A0yPUSC +X93oN00P8Vh3eYgSaCWZsha7zDG53MrVJ0Zf6v/X/CoZNhLldeNOepivTRAzn+Rz +kKUYy5l1sxYLHQKF0UGNCXfFKZT0PCmgU+PWhYNBBMn6/cIh44vp85ideo5CA4GE +AAKBgFmifCafzeRaohYKXJgMGSEaggCVCRq5xdyDCat+wbOkjC4mfG01/um3G8u5 +LxasjlWRKTR/tcAL7t0QuokVyQaYdVypZXNaMtx1db7YBuHjj3aP+8JOQRI9xz8c +bp5NDJ5pISiFOv4p3GZfqZPcqckDt78AtkQrmnal2txhhjF6o4HeMIHbMB0GA1Ud +DgQWBBQVyyr7hO11ZFFpWX50298Sa3V+rzCBqwYDVR0jBIGjMIGggBQVyyr7hO11 +ZFFpWX50298Sa3V+r6F9pHsweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk5DMQ8w +DQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2dsZSwgSW5jMRIwEAYDVQQDEwlK +b24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFsbGllQGdvb2dsZS5jb22CCQCx +z4IWqMXg4TAMBgNVHRMEBTADAQH/MAkGByqGSM44BAMDLwAwLAIUPtn/5j8Q1jJI +7ggOIsgrhgUdjGQCFCsmDq1H11q9+9Wp9IMeGrTSKHIM +-----END CERTIFICATE----- +` + +func TestParseCertificateWithDsaPublicKey(t *testing.T) { + expectedKey := &dsa.PublicKey{ + Parameters: dsa.Parameters{ + P: bigFromHexString("00BC84B52743B169158BB85974E3E832AF5EFCFC42B264349095313A4A013EEE069A1B937D92E51ACF297A1C77880DF25C8607D8204B4DC45651305EF4A63B40C7D8C42D91EDA397D8F51CBC9D0A531FE2C6F1E55E9357D205C39D395358968CBEDAC11320C607BE16CB9DB492B6E78163305A34DD99CE43C64927D13A0040EB97"), + Q: bigFromHexString("009A67067F66A323F5D4EC7902C73FE5D9E36FA74F"), + G: bigFromHexString("009147778295BF5893542BC41BA806898A29E43261DBC85441C37D92E97ED80D323D44825FDDE8374D0FF15877798812682599B216BBCC31B9DCCAD527465FEAFFD7FC2A193612E575E34E7A98AF4D10339FE47390A518CB9975B3160B1D0285D1418D0977C52994F43C29A053E3D685834104C9FAFDC221E38BE9F3989D7A8E42"), + }, + Y: bigFromHexString("59A27C269FCDE45AA2160A5C980C19211A820095091AB9C5DC8309AB7EC1B3A48C2E267C6D35FEE9B71BCBB92F16AC8E559129347FB5C00BEEDD10BA8915C90698755CA965735A32DC7575BED806E1E38F768FFBC24E41123DC73F1C6E9E4D0C9E692128853AFE29DC665FA993DCA9C903B7BF00B6442B9A76A5DADC6186317A"), + } + pemBlock, _ := pem.Decode([]byte(dsaCertPem)) + cert, err := ParseCertificate(pemBlock.Bytes) + if err != nil { + t.Fatalf("Failed to parse certificate: %s", err) + } + if cert.PublicKeyAlgorithm != DSA { + t.Errorf("Parsed key algorithm was not DSA") + } + parsedKey, ok := cert.PublicKey.(*dsa.PublicKey) + if !ok { + t.Fatalf("Parsed key was not a DSA key: %s", err) + } + if expectedKey.Y.Cmp(parsedKey.Y) != 0 || + expectedKey.P.Cmp(parsedKey.P) != 0 || + expectedKey.Q.Cmp(parsedKey.Q) != 0 || + expectedKey.G.Cmp(parsedKey.G) != 0 { + t.Fatal("Parsed key differs from expected key") + } +} + +func TestParseCertificateWithDSASignatureAlgorithm(t *testing.T) { + pemBlock, _ := pem.Decode([]byte(dsaCertPem)) + cert, err := ParseCertificate(pemBlock.Bytes) + if err != nil { + t.Fatalf("Failed to parse certificate: %s", err) + } + if cert.SignatureAlgorithm != DSAWithSHA1 { + t.Errorf("Parsed signature algorithm was not DSAWithSHA1") + } +} + +func TestVerifyCertificateWithDSASignature(t *testing.T) { + pemBlock, _ := pem.Decode([]byte(dsaCertPem)) + cert, err := ParseCertificate(pemBlock.Bytes) + if err != nil { + t.Fatalf("Failed to parse certificate: %s", err) + } + // test cert is self-signed + if err = cert.CheckSignatureFrom(cert); err != nil { + t.Fatalf("DSA Certificate verfication failed: %s", err) + } +} + +const pemCertificate = `-----BEGIN CERTIFICATE----- +MIIB5DCCAZCgAwIBAgIBATALBgkqhkiG9w0BAQUwLTEQMA4GA1UEChMHQWNtZSBDbzEZMBcGA1UE +AxMQdGVzdC5leGFtcGxlLmNvbTAeFw03MDAxMDEwMDE2NDBaFw03MDAxMDIwMzQ2NDBaMC0xEDAO +BgNVBAoTB0FjbWUgQ28xGTAXBgNVBAMTEHRlc3QuZXhhbXBsZS5jb20wWjALBgkqhkiG9w0BAQED +SwAwSAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0fd7Ai2KW5ToIwzFo +fvJcS/STa6HA5gQenRUCAwEAAaOBnjCBmzAOBgNVHQ8BAf8EBAMCAAQwDwYDVR0TAQH/BAUwAwEB +/zANBgNVHQ4EBgQEAQIDBDAPBgNVHSMECDAGgAQBAgMEMBsGA1UdEQQUMBKCEHRlc3QuZXhhbXBs +ZS5jb20wDwYDVR0gBAgwBjAEBgIqAzAqBgNVHR4EIzAhoB8wDoIMLmV4YW1wbGUuY29tMA2CC2V4 +YW1wbGUuY29tMAsGCSqGSIb3DQEBBQNBAHKZKoS1wEQOGhgklx4+/yFYQlnqwKXvar/ZecQvJwui +0seMQnwBhwdBkHfVIU2Fu5VUMRyxlf0ZNaDXcpU581k= +-----END CERTIFICATE-----` + +func TestCRLCreation(t *testing.T) { + block, _ := pem.Decode([]byte(pemPrivateKey)) + priv, _ := ParsePKCS1PrivateKey(block.Bytes) + block, _ = pem.Decode([]byte(pemCertificate)) + cert, _ := ParseCertificate(block.Bytes) + + now := time.Unix(1000, 0) + expiry := time.Unix(10000, 0) + + revokedCerts := []pkix.RevokedCertificate{ + { + SerialNumber: big.NewInt(1), + RevocationTime: now, + }, + { + SerialNumber: big.NewInt(42), + RevocationTime: now, + }, + } + + crlBytes, err := cert.CreateCRL(rand.Reader, priv, revokedCerts, now, expiry) + if err != nil { + t.Errorf("error creating CRL: %s", err) + } + + _, err = ParseDERCRL(crlBytes) + if err != nil { + t.Errorf("error reparsing CRL: %s", err) + } +} + +func fromBase64(in string) []byte { + out := make([]byte, base64.StdEncoding.DecodedLen(len(in))) + _, err := base64.StdEncoding.Decode(out, []byte(in)) + if err != nil { + panic("failed to base64 decode") + } + return out +} + +func TestParseDERCRL(t *testing.T) { + derBytes := fromBase64(derCRLBase64) + certList, err := ParseDERCRL(derBytes) + if err != nil { + t.Errorf("error parsing: %s", err) + return + } + numCerts := len(certList.TBSCertList.RevokedCertificates) + expected := 88 + if numCerts != expected { + t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected) + } + + if certList.HasExpired(time.Unix(1302517272, 0)) { + t.Errorf("CRL has expired (but shouldn't have)") + } + + // Can't check the signature here without a package cycle. +} + +func TestParsePEMCRL(t *testing.T) { + pemBytes := fromBase64(pemCRLBase64) + certList, err := ParseCRL(pemBytes) + if err != nil { + t.Errorf("error parsing: %s", err) + return + } + numCerts := len(certList.TBSCertList.RevokedCertificates) + expected := 2 + if numCerts != expected { + t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected) + } + + if certList.HasExpired(time.Unix(1302517272, 0)) { + t.Errorf("CRL has expired (but shouldn't have)") + } + + // Can't check the signature here without a package cycle. +} + +const derCRLBase64 = "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" + +const pemCRLBase64 = "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" |