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Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/crypto/digests/RIPEMD128Digest.java')
-rw-r--r--bcprov/src/main/java/org/bouncycastle/crypto/digests/RIPEMD128Digest.java482
1 files changed, 0 insertions, 482 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/crypto/digests/RIPEMD128Digest.java b/bcprov/src/main/java/org/bouncycastle/crypto/digests/RIPEMD128Digest.java
deleted file mode 100644
index ec7fa85..0000000
--- a/bcprov/src/main/java/org/bouncycastle/crypto/digests/RIPEMD128Digest.java
+++ /dev/null
@@ -1,482 +0,0 @@
-package org.bouncycastle.crypto.digests;
-
-
-import org.bouncycastle.util.Memoable;
-
-/**
- * implementation of RIPEMD128
- */
-public class RIPEMD128Digest
- extends GeneralDigest
-{
- private static final int DIGEST_LENGTH = 16;
-
- private int H0, H1, H2, H3; // IV's
-
- private int[] X = new int[16];
- private int xOff;
-
- /**
- * Standard constructor
- */
- public RIPEMD128Digest()
- {
- reset();
- }
-
- /**
- * Copy constructor. This will copy the state of the provided
- * message digest.
- */
- public RIPEMD128Digest(RIPEMD128Digest t)
- {
- super(t);
-
- copyIn(t);
- }
-
- private void copyIn(RIPEMD128Digest t)
- {
- super.copyIn(t);
-
- H0 = t.H0;
- H1 = t.H1;
- H2 = t.H2;
- H3 = t.H3;
-
- System.arraycopy(t.X, 0, X, 0, t.X.length);
- xOff = t.xOff;
- }
-
- public String getAlgorithmName()
- {
- return "RIPEMD128";
- }
-
- public int getDigestSize()
- {
- return DIGEST_LENGTH;
- }
-
- protected void processWord(
- byte[] in,
- int inOff)
- {
- X[xOff++] = (in[inOff] & 0xff) | ((in[inOff + 1] & 0xff) << 8)
- | ((in[inOff + 2] & 0xff) << 16) | ((in[inOff + 3] & 0xff) << 24);
-
- if (xOff == 16)
- {
- processBlock();
- }
- }
-
- protected void processLength(
- long bitLength)
- {
- if (xOff > 14)
- {
- processBlock();
- }
-
- X[14] = (int)(bitLength & 0xffffffff);
- X[15] = (int)(bitLength >>> 32);
- }
-
- private void unpackWord(
- int word,
- byte[] out,
- int outOff)
- {
- out[outOff] = (byte)word;
- out[outOff + 1] = (byte)(word >>> 8);
- out[outOff + 2] = (byte)(word >>> 16);
- out[outOff + 3] = (byte)(word >>> 24);
- }
-
- public int doFinal(
- byte[] out,
- int outOff)
- {
- finish();
-
- unpackWord(H0, out, outOff);
- unpackWord(H1, out, outOff + 4);
- unpackWord(H2, out, outOff + 8);
- unpackWord(H3, out, outOff + 12);
-
- reset();
-
- return DIGEST_LENGTH;
- }
-
- /**
- * reset the chaining variables to the IV values.
- */
- public void reset()
- {
- super.reset();
-
- H0 = 0x67452301;
- H1 = 0xefcdab89;
- H2 = 0x98badcfe;
- H3 = 0x10325476;
-
- xOff = 0;
-
- for (int i = 0; i != X.length; i++)
- {
- X[i] = 0;
- }
- }
-
- /*
- * rotate int x left n bits.
- */
- private int RL(
- int x,
- int n)
- {
- return (x << n) | (x >>> (32 - n));
- }
-
- /*
- * f1,f2,f3,f4 are the basic RIPEMD128 functions.
- */
-
- /*
- * F
- */
- private int f1(
- int x,
- int y,
- int z)
- {
- return x ^ y ^ z;
- }
-
- /*
- * G
- */
- private int f2(
- int x,
- int y,
- int z)
- {
- return (x & y) | (~x & z);
- }
-
- /*
- * H
- */
- private int f3(
- int x,
- int y,
- int z)
- {
- return (x | ~y) ^ z;
- }
-
- /*
- * I
- */
- private int f4(
- int x,
- int y,
- int z)
- {
- return (x & z) | (y & ~z);
- }
-
- private int F1(
- int a,
- int b,
- int c,
- int d,
- int x,
- int s)
- {
- return RL(a + f1(b, c, d) + x, s);
- }
-
- private int F2(
- int a,
- int b,
- int c,
- int d,
- int x,
- int s)
- {
- return RL(a + f2(b, c, d) + x + 0x5a827999, s);
- }
-
- private int F3(
- int a,
- int b,
- int c,
- int d,
- int x,
- int s)
- {
- return RL(a + f3(b, c, d) + x + 0x6ed9eba1, s);
- }
-
- private int F4(
- int a,
- int b,
- int c,
- int d,
- int x,
- int s)
- {
- return RL(a + f4(b, c, d) + x + 0x8f1bbcdc, s);
- }
-
- private int FF1(
- int a,
- int b,
- int c,
- int d,
- int x,
- int s)
- {
- return RL(a + f1(b, c, d) + x, s);
- }
-
- private int FF2(
- int a,
- int b,
- int c,
- int d,
- int x,
- int s)
- {
- return RL(a + f2(b, c, d) + x + 0x6d703ef3, s);
- }
-
- private int FF3(
- int a,
- int b,
- int c,
- int d,
- int x,
- int s)
- {
- return RL(a + f3(b, c, d) + x + 0x5c4dd124, s);
- }
-
- private int FF4(
- int a,
- int b,
- int c,
- int d,
- int x,
- int s)
- {
- return RL(a + f4(b, c, d) + x + 0x50a28be6, s);
- }
-
- protected void processBlock()
- {
- int a, aa;
- int b, bb;
- int c, cc;
- int d, dd;
-
- a = aa = H0;
- b = bb = H1;
- c = cc = H2;
- d = dd = H3;
-
- //
- // Round 1
- //
- a = F1(a, b, c, d, X[ 0], 11);
- d = F1(d, a, b, c, X[ 1], 14);
- c = F1(c, d, a, b, X[ 2], 15);
- b = F1(b, c, d, a, X[ 3], 12);
- a = F1(a, b, c, d, X[ 4], 5);
- d = F1(d, a, b, c, X[ 5], 8);
- c = F1(c, d, a, b, X[ 6], 7);
- b = F1(b, c, d, a, X[ 7], 9);
- a = F1(a, b, c, d, X[ 8], 11);
- d = F1(d, a, b, c, X[ 9], 13);
- c = F1(c, d, a, b, X[10], 14);
- b = F1(b, c, d, a, X[11], 15);
- a = F1(a, b, c, d, X[12], 6);
- d = F1(d, a, b, c, X[13], 7);
- c = F1(c, d, a, b, X[14], 9);
- b = F1(b, c, d, a, X[15], 8);
-
- //
- // Round 2
- //
- a = F2(a, b, c, d, X[ 7], 7);
- d = F2(d, a, b, c, X[ 4], 6);
- c = F2(c, d, a, b, X[13], 8);
- b = F2(b, c, d, a, X[ 1], 13);
- a = F2(a, b, c, d, X[10], 11);
- d = F2(d, a, b, c, X[ 6], 9);
- c = F2(c, d, a, b, X[15], 7);
- b = F2(b, c, d, a, X[ 3], 15);
- a = F2(a, b, c, d, X[12], 7);
- d = F2(d, a, b, c, X[ 0], 12);
- c = F2(c, d, a, b, X[ 9], 15);
- b = F2(b, c, d, a, X[ 5], 9);
- a = F2(a, b, c, d, X[ 2], 11);
- d = F2(d, a, b, c, X[14], 7);
- c = F2(c, d, a, b, X[11], 13);
- b = F2(b, c, d, a, X[ 8], 12);
-
- //
- // Round 3
- //
- a = F3(a, b, c, d, X[ 3], 11);
- d = F3(d, a, b, c, X[10], 13);
- c = F3(c, d, a, b, X[14], 6);
- b = F3(b, c, d, a, X[ 4], 7);
- a = F3(a, b, c, d, X[ 9], 14);
- d = F3(d, a, b, c, X[15], 9);
- c = F3(c, d, a, b, X[ 8], 13);
- b = F3(b, c, d, a, X[ 1], 15);
- a = F3(a, b, c, d, X[ 2], 14);
- d = F3(d, a, b, c, X[ 7], 8);
- c = F3(c, d, a, b, X[ 0], 13);
- b = F3(b, c, d, a, X[ 6], 6);
- a = F3(a, b, c, d, X[13], 5);
- d = F3(d, a, b, c, X[11], 12);
- c = F3(c, d, a, b, X[ 5], 7);
- b = F3(b, c, d, a, X[12], 5);
-
- //
- // Round 4
- //
- a = F4(a, b, c, d, X[ 1], 11);
- d = F4(d, a, b, c, X[ 9], 12);
- c = F4(c, d, a, b, X[11], 14);
- b = F4(b, c, d, a, X[10], 15);
- a = F4(a, b, c, d, X[ 0], 14);
- d = F4(d, a, b, c, X[ 8], 15);
- c = F4(c, d, a, b, X[12], 9);
- b = F4(b, c, d, a, X[ 4], 8);
- a = F4(a, b, c, d, X[13], 9);
- d = F4(d, a, b, c, X[ 3], 14);
- c = F4(c, d, a, b, X[ 7], 5);
- b = F4(b, c, d, a, X[15], 6);
- a = F4(a, b, c, d, X[14], 8);
- d = F4(d, a, b, c, X[ 5], 6);
- c = F4(c, d, a, b, X[ 6], 5);
- b = F4(b, c, d, a, X[ 2], 12);
-
- //
- // Parallel round 1
- //
- aa = FF4(aa, bb, cc, dd, X[ 5], 8);
- dd = FF4(dd, aa, bb, cc, X[14], 9);
- cc = FF4(cc, dd, aa, bb, X[ 7], 9);
- bb = FF4(bb, cc, dd, aa, X[ 0], 11);
- aa = FF4(aa, bb, cc, dd, X[ 9], 13);
- dd = FF4(dd, aa, bb, cc, X[ 2], 15);
- cc = FF4(cc, dd, aa, bb, X[11], 15);
- bb = FF4(bb, cc, dd, aa, X[ 4], 5);
- aa = FF4(aa, bb, cc, dd, X[13], 7);
- dd = FF4(dd, aa, bb, cc, X[ 6], 7);
- cc = FF4(cc, dd, aa, bb, X[15], 8);
- bb = FF4(bb, cc, dd, aa, X[ 8], 11);
- aa = FF4(aa, bb, cc, dd, X[ 1], 14);
- dd = FF4(dd, aa, bb, cc, X[10], 14);
- cc = FF4(cc, dd, aa, bb, X[ 3], 12);
- bb = FF4(bb, cc, dd, aa, X[12], 6);
-
- //
- // Parallel round 2
- //
- aa = FF3(aa, bb, cc, dd, X[ 6], 9);
- dd = FF3(dd, aa, bb, cc, X[11], 13);
- cc = FF3(cc, dd, aa, bb, X[ 3], 15);
- bb = FF3(bb, cc, dd, aa, X[ 7], 7);
- aa = FF3(aa, bb, cc, dd, X[ 0], 12);
- dd = FF3(dd, aa, bb, cc, X[13], 8);
- cc = FF3(cc, dd, aa, bb, X[ 5], 9);
- bb = FF3(bb, cc, dd, aa, X[10], 11);
- aa = FF3(aa, bb, cc, dd, X[14], 7);
- dd = FF3(dd, aa, bb, cc, X[15], 7);
- cc = FF3(cc, dd, aa, bb, X[ 8], 12);
- bb = FF3(bb, cc, dd, aa, X[12], 7);
- aa = FF3(aa, bb, cc, dd, X[ 4], 6);
- dd = FF3(dd, aa, bb, cc, X[ 9], 15);
- cc = FF3(cc, dd, aa, bb, X[ 1], 13);
- bb = FF3(bb, cc, dd, aa, X[ 2], 11);
-
- //
- // Parallel round 3
- //
- aa = FF2(aa, bb, cc, dd, X[15], 9);
- dd = FF2(dd, aa, bb, cc, X[ 5], 7);
- cc = FF2(cc, dd, aa, bb, X[ 1], 15);
- bb = FF2(bb, cc, dd, aa, X[ 3], 11);
- aa = FF2(aa, bb, cc, dd, X[ 7], 8);
- dd = FF2(dd, aa, bb, cc, X[14], 6);
- cc = FF2(cc, dd, aa, bb, X[ 6], 6);
- bb = FF2(bb, cc, dd, aa, X[ 9], 14);
- aa = FF2(aa, bb, cc, dd, X[11], 12);
- dd = FF2(dd, aa, bb, cc, X[ 8], 13);
- cc = FF2(cc, dd, aa, bb, X[12], 5);
- bb = FF2(bb, cc, dd, aa, X[ 2], 14);
- aa = FF2(aa, bb, cc, dd, X[10], 13);
- dd = FF2(dd, aa, bb, cc, X[ 0], 13);
- cc = FF2(cc, dd, aa, bb, X[ 4], 7);
- bb = FF2(bb, cc, dd, aa, X[13], 5);
-
- //
- // Parallel round 4
- //
- aa = FF1(aa, bb, cc, dd, X[ 8], 15);
- dd = FF1(dd, aa, bb, cc, X[ 6], 5);
- cc = FF1(cc, dd, aa, bb, X[ 4], 8);
- bb = FF1(bb, cc, dd, aa, X[ 1], 11);
- aa = FF1(aa, bb, cc, dd, X[ 3], 14);
- dd = FF1(dd, aa, bb, cc, X[11], 14);
- cc = FF1(cc, dd, aa, bb, X[15], 6);
- bb = FF1(bb, cc, dd, aa, X[ 0], 14);
- aa = FF1(aa, bb, cc, dd, X[ 5], 6);
- dd = FF1(dd, aa, bb, cc, X[12], 9);
- cc = FF1(cc, dd, aa, bb, X[ 2], 12);
- bb = FF1(bb, cc, dd, aa, X[13], 9);
- aa = FF1(aa, bb, cc, dd, X[ 9], 12);
- dd = FF1(dd, aa, bb, cc, X[ 7], 5);
- cc = FF1(cc, dd, aa, bb, X[10], 15);
- bb = FF1(bb, cc, dd, aa, X[14], 8);
-
- dd += c + H1; // final result for H0
-
- //
- // combine the results
- //
- H1 = H2 + d + aa;
- H2 = H3 + a + bb;
- H3 = H0 + b + cc;
- H0 = dd;
-
- //
- // reset the offset and clean out the word buffer.
- //
- xOff = 0;
- for (int i = 0; i != X.length; i++)
- {
- X[i] = 0;
- }
- }
-
- public Memoable copy()
- {
- return new RIPEMD128Digest(this);
- }
-
- public void reset(Memoable other)
- {
- RIPEMD128Digest d = (RIPEMD128Digest)other;
-
- copyIn(d);
- }
-}
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