diff options
Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/jcajce/provider/symmetric/RC2.java')
-rw-r--r-- | bcprov/src/main/java/org/bouncycastle/jcajce/provider/symmetric/RC2.java | 698 |
1 files changed, 338 insertions, 360 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/jcajce/provider/symmetric/RC2.java b/bcprov/src/main/java/org/bouncycastle/jcajce/provider/symmetric/RC2.java index 4056aa7..18d780d 100644 --- a/bcprov/src/main/java/org/bouncycastle/jcajce/provider/symmetric/RC2.java +++ b/bcprov/src/main/java/org/bouncycastle/jcajce/provider/symmetric/RC2.java @@ -12,28 +12,20 @@ import javax.crypto.spec.RC2ParameterSpec; import org.bouncycastle.asn1.ASN1Primitive; import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; -// BEGIN android-removed -// import org.bouncycastle.asn1.pkcs.RC2CBCParameter; -// import org.bouncycastle.crypto.CipherKeyGenerator; -// END android-removed +import org.bouncycastle.asn1.pkcs.RC2CBCParameter; +import org.bouncycastle.crypto.CipherKeyGenerator; import org.bouncycastle.crypto.engines.RC2Engine; -// BEGIN android-removed -// import org.bouncycastle.crypto.engines.RC2WrapEngine; -// import org.bouncycastle.crypto.macs.CBCBlockCipherMac; -// import org.bouncycastle.crypto.macs.CFBBlockCipherMac; -// END android-removed +import org.bouncycastle.crypto.engines.RC2WrapEngine; +import org.bouncycastle.crypto.macs.CBCBlockCipherMac; +import org.bouncycastle.crypto.macs.CFBBlockCipherMac; import org.bouncycastle.crypto.modes.CBCBlockCipher; import org.bouncycastle.jcajce.provider.config.ConfigurableProvider; -// BEGIN android-removed -// import org.bouncycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameterGenerator; -// import org.bouncycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameters; -// END android-removed +import org.bouncycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameterGenerator; +import org.bouncycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameters; import org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher; -// BEGIN android-removed -// import org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator; -// import org.bouncycastle.jcajce.provider.symmetric.util.BaseMac; -// import org.bouncycastle.jcajce.provider.symmetric.util.BaseWrapCipher; -// END android-removed +import org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator; +import org.bouncycastle.jcajce.provider.symmetric.util.BaseMac; +import org.bouncycastle.jcajce.provider.symmetric.util.BaseWrapCipher; import org.bouncycastle.jcajce.provider.symmetric.util.PBESecretKeyFactory; import org.bouncycastle.jcajce.provider.util.AlgorithmProvider; import org.bouncycastle.util.Arrays; @@ -44,61 +36,59 @@ public final class RC2 { } - // BEGIN android-removed - // /** - // * RC2 - // */ - // static public class ECB - // extends BaseBlockCipher - // { - // public ECB() - // { - // super(new RC2Engine()); - // } - // } - // - // /** - // * RC2CBC - // */ - // static public class CBC - // extends BaseBlockCipher - // { - // public CBC() - // { - // super(new CBCBlockCipher(new RC2Engine()), 64); - // } - // } - // - // public static class Wrap - // extends BaseWrapCipher - // { - // public Wrap() - // { - // super(new RC2WrapEngine()); - // } - // } - // - // /** - // * RC2 - // */ - // public static class CBCMAC - // extends BaseMac - // { - // public CBCMAC() - // { - // super(new CBCBlockCipherMac(new RC2Engine())); - // } - // } - // - // public static class CFB8MAC - // extends BaseMac - // { - // public CFB8MAC() - // { - // super(new CFBBlockCipherMac(new RC2Engine())); - // } - // } - // END android-removed + /** + * RC2 + */ + static public class ECB + extends BaseBlockCipher + { + public ECB() + { + super(new RC2Engine()); + } + } + + /** + * RC2CBC + */ + static public class CBC + extends BaseBlockCipher + { + public CBC() + { + super(new CBCBlockCipher(new RC2Engine()), 64); + } + } + + public static class Wrap + extends BaseWrapCipher + { + public Wrap() + { + super(new RC2WrapEngine()); + } + } + + /** + * RC2 + */ + public static class CBCMAC + extends BaseMac + { + public CBCMAC() + { + super(new CBCBlockCipherMac(new RC2Engine())); + } + } + + public static class CFB8MAC + extends BaseMac + { + public CFB8MAC() + { + super(new CFBBlockCipherMac(new RC2Engine())); + } + } /** * PBEWithSHA1AndRC2 @@ -184,19 +174,17 @@ public final class RC2 } } - // BEGIN android-removed - // /** - // * PBEWithMD2AndRC2 - // */ - // static public class PBEWithMD2KeyFactory - // extends PBESecretKeyFactory - // { - // public PBEWithMD2KeyFactory() - // { - // super("PBEwithMD2andRC2", PKCSObjectIdentifiers.pbeWithMD2AndRC2_CBC, true, PKCS5S1, MD2, 64, 64); - // } - // } - // END android-removed + /** + * PBEWithMD2AndRC2 + */ + static public class PBEWithMD2KeyFactory + extends PBESecretKeyFactory + { + public PBEWithMD2KeyFactory() + { + super("PBEwithMD2andRC2", PKCSObjectIdentifiers.pbeWithMD2AndRC2_CBC, true, PKCS5S1, MD2, 64, 64); + } + } /** * PBEWithMD5AndRC2 @@ -210,249 +198,247 @@ public final class RC2 } } - // BEGIN android-removed - // public static class AlgParamGen - // extends BaseAlgorithmParameterGenerator - // { - // RC2ParameterSpec spec = null; - // - // protected void engineInit( - // AlgorithmParameterSpec genParamSpec, - // SecureRandom random) - // throws InvalidAlgorithmParameterException - // { - // if (genParamSpec instanceof RC2ParameterSpec) - // { - // spec = (RC2ParameterSpec)genParamSpec; - // return; - // } - // - // throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for RC2 parameter generation."); - // } - // - // protected AlgorithmParameters engineGenerateParameters() - // { - // AlgorithmParameters params; - // - // if (spec == null) - // { - // byte[] iv = new byte[8]; - // - // if (random == null) - // { - // random = new SecureRandom(); - // } - // - // random.nextBytes(iv); - // - // try - // { - // params = createParametersInstance("RC2"); - // params.init(new IvParameterSpec(iv)); - // } - // catch (Exception e) - // { - // throw new RuntimeException(e.getMessage()); - // } - // } - // else - // { - // try - // { - // params = createParametersInstance("RC2"); - // params.init(spec); - // } - // catch (Exception e) - // { - // throw new RuntimeException(e.getMessage()); - // } - // } - // - // return params; - // } - // } - // - // public static class KeyGenerator - // extends BaseKeyGenerator - // { - // public KeyGenerator() - // { - // super("RC2", 128, new CipherKeyGenerator()); - // } - // } - // - // public static class AlgParams - // extends BaseAlgorithmParameters - // { - // private static final short[] table = { - // 0xbd, 0x56, 0xea, 0xf2, 0xa2, 0xf1, 0xac, 0x2a, 0xb0, 0x93, 0xd1, 0x9c, 0x1b, 0x33, 0xfd, 0xd0, - // 0x30, 0x04, 0xb6, 0xdc, 0x7d, 0xdf, 0x32, 0x4b, 0xf7, 0xcb, 0x45, 0x9b, 0x31, 0xbb, 0x21, 0x5a, - // 0x41, 0x9f, 0xe1, 0xd9, 0x4a, 0x4d, 0x9e, 0xda, 0xa0, 0x68, 0x2c, 0xc3, 0x27, 0x5f, 0x80, 0x36, - // 0x3e, 0xee, 0xfb, 0x95, 0x1a, 0xfe, 0xce, 0xa8, 0x34, 0xa9, 0x13, 0xf0, 0xa6, 0x3f, 0xd8, 0x0c, - // 0x78, 0x24, 0xaf, 0x23, 0x52, 0xc1, 0x67, 0x17, 0xf5, 0x66, 0x90, 0xe7, 0xe8, 0x07, 0xb8, 0x60, - // 0x48, 0xe6, 0x1e, 0x53, 0xf3, 0x92, 0xa4, 0x72, 0x8c, 0x08, 0x15, 0x6e, 0x86, 0x00, 0x84, 0xfa, - // 0xf4, 0x7f, 0x8a, 0x42, 0x19, 0xf6, 0xdb, 0xcd, 0x14, 0x8d, 0x50, 0x12, 0xba, 0x3c, 0x06, 0x4e, - // 0xec, 0xb3, 0x35, 0x11, 0xa1, 0x88, 0x8e, 0x2b, 0x94, 0x99, 0xb7, 0x71, 0x74, 0xd3, 0xe4, 0xbf, - // 0x3a, 0xde, 0x96, 0x0e, 0xbc, 0x0a, 0xed, 0x77, 0xfc, 0x37, 0x6b, 0x03, 0x79, 0x89, 0x62, 0xc6, - // 0xd7, 0xc0, 0xd2, 0x7c, 0x6a, 0x8b, 0x22, 0xa3, 0x5b, 0x05, 0x5d, 0x02, 0x75, 0xd5, 0x61, 0xe3, - // 0x18, 0x8f, 0x55, 0x51, 0xad, 0x1f, 0x0b, 0x5e, 0x85, 0xe5, 0xc2, 0x57, 0x63, 0xca, 0x3d, 0x6c, - // 0xb4, 0xc5, 0xcc, 0x70, 0xb2, 0x91, 0x59, 0x0d, 0x47, 0x20, 0xc8, 0x4f, 0x58, 0xe0, 0x01, 0xe2, - // 0x16, 0x38, 0xc4, 0x6f, 0x3b, 0x0f, 0x65, 0x46, 0xbe, 0x7e, 0x2d, 0x7b, 0x82, 0xf9, 0x40, 0xb5, - // 0x1d, 0x73, 0xf8, 0xeb, 0x26, 0xc7, 0x87, 0x97, 0x25, 0x54, 0xb1, 0x28, 0xaa, 0x98, 0x9d, 0xa5, - // 0x64, 0x6d, 0x7a, 0xd4, 0x10, 0x81, 0x44, 0xef, 0x49, 0xd6, 0xae, 0x2e, 0xdd, 0x76, 0x5c, 0x2f, - // 0xa7, 0x1c, 0xc9, 0x09, 0x69, 0x9a, 0x83, 0xcf, 0x29, 0x39, 0xb9, 0xe9, 0x4c, 0xff, 0x43, 0xab - // }; - // - // private static final short[] ekb = { - // 0x5d, 0xbe, 0x9b, 0x8b, 0x11, 0x99, 0x6e, 0x4d, 0x59, 0xf3, 0x85, 0xa6, 0x3f, 0xb7, 0x83, 0xc5, - // 0xe4, 0x73, 0x6b, 0x3a, 0x68, 0x5a, 0xc0, 0x47, 0xa0, 0x64, 0x34, 0x0c, 0xf1, 0xd0, 0x52, 0xa5, - // 0xb9, 0x1e, 0x96, 0x43, 0x41, 0xd8, 0xd4, 0x2c, 0xdb, 0xf8, 0x07, 0x77, 0x2a, 0xca, 0xeb, 0xef, - // 0x10, 0x1c, 0x16, 0x0d, 0x38, 0x72, 0x2f, 0x89, 0xc1, 0xf9, 0x80, 0xc4, 0x6d, 0xae, 0x30, 0x3d, - // 0xce, 0x20, 0x63, 0xfe, 0xe6, 0x1a, 0xc7, 0xb8, 0x50, 0xe8, 0x24, 0x17, 0xfc, 0x25, 0x6f, 0xbb, - // 0x6a, 0xa3, 0x44, 0x53, 0xd9, 0xa2, 0x01, 0xab, 0xbc, 0xb6, 0x1f, 0x98, 0xee, 0x9a, 0xa7, 0x2d, - // 0x4f, 0x9e, 0x8e, 0xac, 0xe0, 0xc6, 0x49, 0x46, 0x29, 0xf4, 0x94, 0x8a, 0xaf, 0xe1, 0x5b, 0xc3, - // 0xb3, 0x7b, 0x57, 0xd1, 0x7c, 0x9c, 0xed, 0x87, 0x40, 0x8c, 0xe2, 0xcb, 0x93, 0x14, 0xc9, 0x61, - // 0x2e, 0xe5, 0xcc, 0xf6, 0x5e, 0xa8, 0x5c, 0xd6, 0x75, 0x8d, 0x62, 0x95, 0x58, 0x69, 0x76, 0xa1, - // 0x4a, 0xb5, 0x55, 0x09, 0x78, 0x33, 0x82, 0xd7, 0xdd, 0x79, 0xf5, 0x1b, 0x0b, 0xde, 0x26, 0x21, - // 0x28, 0x74, 0x04, 0x97, 0x56, 0xdf, 0x3c, 0xf0, 0x37, 0x39, 0xdc, 0xff, 0x06, 0xa4, 0xea, 0x42, - // 0x08, 0xda, 0xb4, 0x71, 0xb0, 0xcf, 0x12, 0x7a, 0x4e, 0xfa, 0x6c, 0x1d, 0x84, 0x00, 0xc8, 0x7f, - // 0x91, 0x45, 0xaa, 0x2b, 0xc2, 0xb1, 0x8f, 0xd5, 0xba, 0xf2, 0xad, 0x19, 0xb2, 0x67, 0x36, 0xf7, - // 0x0f, 0x0a, 0x92, 0x7d, 0xe3, 0x9d, 0xe9, 0x90, 0x3e, 0x23, 0x27, 0x66, 0x13, 0xec, 0x81, 0x15, - // 0xbd, 0x22, 0xbf, 0x9f, 0x7e, 0xa9, 0x51, 0x4b, 0x4c, 0xfb, 0x02, 0xd3, 0x70, 0x86, 0x31, 0xe7, - // 0x3b, 0x05, 0x03, 0x54, 0x60, 0x48, 0x65, 0x18, 0xd2, 0xcd, 0x5f, 0x32, 0x88, 0x0e, 0x35, 0xfd - // }; - // - // private byte[] iv; - // private int parameterVersion = 58; - // - // protected byte[] engineGetEncoded() - // { - // return Arrays.clone(iv); - // } - // - // protected byte[] engineGetEncoded( - // String format) - // throws IOException - // { - // if (this.isASN1FormatString(format)) - // { - // if (parameterVersion == -1) - // { - // return new RC2CBCParameter(engineGetEncoded()).getEncoded(); - // } - // else - // { - // return new RC2CBCParameter(parameterVersion, engineGetEncoded()).getEncoded(); - // } - // } - // - // if (format.equals("RAW")) - // { - // return engineGetEncoded(); - // } - // - // return null; - // } - // - // protected AlgorithmParameterSpec localEngineGetParameterSpec( - // Class paramSpec) - // throws InvalidParameterSpecException - // { - // if (paramSpec == RC2ParameterSpec.class) - // { - // if (parameterVersion != -1) - // { - // if (parameterVersion < 256) - // { - // return new RC2ParameterSpec(ekb[parameterVersion], iv); - // } - // else - // { - // return new RC2ParameterSpec(parameterVersion, iv); - // } - // } - // } - // - // if (paramSpec == IvParameterSpec.class) - // { - // return new IvParameterSpec(iv); - // } - // - // throw new InvalidParameterSpecException("unknown parameter spec passed to RC2 parameters object."); - // } - // - // protected void engineInit( - // AlgorithmParameterSpec paramSpec) - // throws InvalidParameterSpecException - // { - // if (paramSpec instanceof IvParameterSpec) - // { - // this.iv = ((IvParameterSpec)paramSpec).getIV(); - // } - // else if (paramSpec instanceof RC2ParameterSpec) - // { - // int effKeyBits = ((RC2ParameterSpec)paramSpec).getEffectiveKeyBits(); - // if (effKeyBits != -1) - // { - // if (effKeyBits < 256) - // { - // parameterVersion = table[effKeyBits]; - // } - // else - // { - // parameterVersion = effKeyBits; - // } - // } - // - // this.iv = ((RC2ParameterSpec)paramSpec).getIV(); - // } - // else - // { - // throw new InvalidParameterSpecException("IvParameterSpec or RC2ParameterSpec required to initialise a RC2 parameters algorithm parameters object"); - // } - // } - // - // protected void engineInit( - // byte[] params) - // throws IOException - // { - // this.iv = Arrays.clone(params); - // } - // - // protected void engineInit( - // byte[] params, - // String format) - // throws IOException - // { - // if (this.isASN1FormatString(format)) - // { - // RC2CBCParameter p = RC2CBCParameter.getInstance(ASN1Primitive.fromByteArray(params)); - // - // if (p.getRC2ParameterVersion() != null) - // { - // parameterVersion = p.getRC2ParameterVersion().intValue(); - // } - // - // iv = p.getIV(); - // - // return; - // } - // - // if (format.equals("RAW")) - // { - // engineInit(params); - // return; - // } - // - // throw new IOException("Unknown parameters format in IV parameters object"); - // } - // - // protected String engineToString() - // { - // return "RC2 Parameters"; - // } - // } - // END android-removed + public static class AlgParamGen + extends BaseAlgorithmParameterGenerator + { + RC2ParameterSpec spec = null; + + protected void engineInit( + AlgorithmParameterSpec genParamSpec, + SecureRandom random) + throws InvalidAlgorithmParameterException + { + if (genParamSpec instanceof RC2ParameterSpec) + { + spec = (RC2ParameterSpec)genParamSpec; + return; + } + + throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for RC2 parameter generation."); + } + + protected AlgorithmParameters engineGenerateParameters() + { + AlgorithmParameters params; + + if (spec == null) + { + byte[] iv = new byte[8]; + + if (random == null) + { + random = new SecureRandom(); + } + + random.nextBytes(iv); + + try + { + params = createParametersInstance("RC2"); + params.init(new IvParameterSpec(iv)); + } + catch (Exception e) + { + throw new RuntimeException(e.getMessage()); + } + } + else + { + try + { + params = createParametersInstance("RC2"); + params.init(spec); + } + catch (Exception e) + { + throw new RuntimeException(e.getMessage()); + } + } + + return params; + } + } + + public static class KeyGenerator + extends BaseKeyGenerator + { + public KeyGenerator() + { + super("RC2", 128, new CipherKeyGenerator()); + } + } + + public static class AlgParams + extends BaseAlgorithmParameters + { + private static final short[] table = { + 0xbd, 0x56, 0xea, 0xf2, 0xa2, 0xf1, 0xac, 0x2a, 0xb0, 0x93, 0xd1, 0x9c, 0x1b, 0x33, 0xfd, 0xd0, + 0x30, 0x04, 0xb6, 0xdc, 0x7d, 0xdf, 0x32, 0x4b, 0xf7, 0xcb, 0x45, 0x9b, 0x31, 0xbb, 0x21, 0x5a, + 0x41, 0x9f, 0xe1, 0xd9, 0x4a, 0x4d, 0x9e, 0xda, 0xa0, 0x68, 0x2c, 0xc3, 0x27, 0x5f, 0x80, 0x36, + 0x3e, 0xee, 0xfb, 0x95, 0x1a, 0xfe, 0xce, 0xa8, 0x34, 0xa9, 0x13, 0xf0, 0xa6, 0x3f, 0xd8, 0x0c, + 0x78, 0x24, 0xaf, 0x23, 0x52, 0xc1, 0x67, 0x17, 0xf5, 0x66, 0x90, 0xe7, 0xe8, 0x07, 0xb8, 0x60, + 0x48, 0xe6, 0x1e, 0x53, 0xf3, 0x92, 0xa4, 0x72, 0x8c, 0x08, 0x15, 0x6e, 0x86, 0x00, 0x84, 0xfa, + 0xf4, 0x7f, 0x8a, 0x42, 0x19, 0xf6, 0xdb, 0xcd, 0x14, 0x8d, 0x50, 0x12, 0xba, 0x3c, 0x06, 0x4e, + 0xec, 0xb3, 0x35, 0x11, 0xa1, 0x88, 0x8e, 0x2b, 0x94, 0x99, 0xb7, 0x71, 0x74, 0xd3, 0xe4, 0xbf, + 0x3a, 0xde, 0x96, 0x0e, 0xbc, 0x0a, 0xed, 0x77, 0xfc, 0x37, 0x6b, 0x03, 0x79, 0x89, 0x62, 0xc6, + 0xd7, 0xc0, 0xd2, 0x7c, 0x6a, 0x8b, 0x22, 0xa3, 0x5b, 0x05, 0x5d, 0x02, 0x75, 0xd5, 0x61, 0xe3, + 0x18, 0x8f, 0x55, 0x51, 0xad, 0x1f, 0x0b, 0x5e, 0x85, 0xe5, 0xc2, 0x57, 0x63, 0xca, 0x3d, 0x6c, + 0xb4, 0xc5, 0xcc, 0x70, 0xb2, 0x91, 0x59, 0x0d, 0x47, 0x20, 0xc8, 0x4f, 0x58, 0xe0, 0x01, 0xe2, + 0x16, 0x38, 0xc4, 0x6f, 0x3b, 0x0f, 0x65, 0x46, 0xbe, 0x7e, 0x2d, 0x7b, 0x82, 0xf9, 0x40, 0xb5, + 0x1d, 0x73, 0xf8, 0xeb, 0x26, 0xc7, 0x87, 0x97, 0x25, 0x54, 0xb1, 0x28, 0xaa, 0x98, 0x9d, 0xa5, + 0x64, 0x6d, 0x7a, 0xd4, 0x10, 0x81, 0x44, 0xef, 0x49, 0xd6, 0xae, 0x2e, 0xdd, 0x76, 0x5c, 0x2f, + 0xa7, 0x1c, 0xc9, 0x09, 0x69, 0x9a, 0x83, 0xcf, 0x29, 0x39, 0xb9, 0xe9, 0x4c, 0xff, 0x43, 0xab + }; + + private static final short[] ekb = { + 0x5d, 0xbe, 0x9b, 0x8b, 0x11, 0x99, 0x6e, 0x4d, 0x59, 0xf3, 0x85, 0xa6, 0x3f, 0xb7, 0x83, 0xc5, + 0xe4, 0x73, 0x6b, 0x3a, 0x68, 0x5a, 0xc0, 0x47, 0xa0, 0x64, 0x34, 0x0c, 0xf1, 0xd0, 0x52, 0xa5, + 0xb9, 0x1e, 0x96, 0x43, 0x41, 0xd8, 0xd4, 0x2c, 0xdb, 0xf8, 0x07, 0x77, 0x2a, 0xca, 0xeb, 0xef, + 0x10, 0x1c, 0x16, 0x0d, 0x38, 0x72, 0x2f, 0x89, 0xc1, 0xf9, 0x80, 0xc4, 0x6d, 0xae, 0x30, 0x3d, + 0xce, 0x20, 0x63, 0xfe, 0xe6, 0x1a, 0xc7, 0xb8, 0x50, 0xe8, 0x24, 0x17, 0xfc, 0x25, 0x6f, 0xbb, + 0x6a, 0xa3, 0x44, 0x53, 0xd9, 0xa2, 0x01, 0xab, 0xbc, 0xb6, 0x1f, 0x98, 0xee, 0x9a, 0xa7, 0x2d, + 0x4f, 0x9e, 0x8e, 0xac, 0xe0, 0xc6, 0x49, 0x46, 0x29, 0xf4, 0x94, 0x8a, 0xaf, 0xe1, 0x5b, 0xc3, + 0xb3, 0x7b, 0x57, 0xd1, 0x7c, 0x9c, 0xed, 0x87, 0x40, 0x8c, 0xe2, 0xcb, 0x93, 0x14, 0xc9, 0x61, + 0x2e, 0xe5, 0xcc, 0xf6, 0x5e, 0xa8, 0x5c, 0xd6, 0x75, 0x8d, 0x62, 0x95, 0x58, 0x69, 0x76, 0xa1, + 0x4a, 0xb5, 0x55, 0x09, 0x78, 0x33, 0x82, 0xd7, 0xdd, 0x79, 0xf5, 0x1b, 0x0b, 0xde, 0x26, 0x21, + 0x28, 0x74, 0x04, 0x97, 0x56, 0xdf, 0x3c, 0xf0, 0x37, 0x39, 0xdc, 0xff, 0x06, 0xa4, 0xea, 0x42, + 0x08, 0xda, 0xb4, 0x71, 0xb0, 0xcf, 0x12, 0x7a, 0x4e, 0xfa, 0x6c, 0x1d, 0x84, 0x00, 0xc8, 0x7f, + 0x91, 0x45, 0xaa, 0x2b, 0xc2, 0xb1, 0x8f, 0xd5, 0xba, 0xf2, 0xad, 0x19, 0xb2, 0x67, 0x36, 0xf7, + 0x0f, 0x0a, 0x92, 0x7d, 0xe3, 0x9d, 0xe9, 0x90, 0x3e, 0x23, 0x27, 0x66, 0x13, 0xec, 0x81, 0x15, + 0xbd, 0x22, 0xbf, 0x9f, 0x7e, 0xa9, 0x51, 0x4b, 0x4c, 0xfb, 0x02, 0xd3, 0x70, 0x86, 0x31, 0xe7, + 0x3b, 0x05, 0x03, 0x54, 0x60, 0x48, 0x65, 0x18, 0xd2, 0xcd, 0x5f, 0x32, 0x88, 0x0e, 0x35, 0xfd + }; + + private byte[] iv; + private int parameterVersion = 58; + + protected byte[] engineGetEncoded() + { + return Arrays.clone(iv); + } + + protected byte[] engineGetEncoded( + String format) + throws IOException + { + if (this.isASN1FormatString(format)) + { + if (parameterVersion == -1) + { + return new RC2CBCParameter(engineGetEncoded()).getEncoded(); + } + else + { + return new RC2CBCParameter(parameterVersion, engineGetEncoded()).getEncoded(); + } + } + + if (format.equals("RAW")) + { + return engineGetEncoded(); + } + + return null; + } + + protected AlgorithmParameterSpec localEngineGetParameterSpec( + Class paramSpec) + throws InvalidParameterSpecException + { + if (paramSpec == RC2ParameterSpec.class) + { + if (parameterVersion != -1) + { + if (parameterVersion < 256) + { + return new RC2ParameterSpec(ekb[parameterVersion], iv); + } + else + { + return new RC2ParameterSpec(parameterVersion, iv); + } + } + } + + if (paramSpec == IvParameterSpec.class) + { + return new IvParameterSpec(iv); + } + + throw new InvalidParameterSpecException("unknown parameter spec passed to RC2 parameters object."); + } + + protected void engineInit( + AlgorithmParameterSpec paramSpec) + throws InvalidParameterSpecException + { + if (paramSpec instanceof IvParameterSpec) + { + this.iv = ((IvParameterSpec)paramSpec).getIV(); + } + else if (paramSpec instanceof RC2ParameterSpec) + { + int effKeyBits = ((RC2ParameterSpec)paramSpec).getEffectiveKeyBits(); + if (effKeyBits != -1) + { + if (effKeyBits < 256) + { + parameterVersion = table[effKeyBits]; + } + else + { + parameterVersion = effKeyBits; + } + } + + this.iv = ((RC2ParameterSpec)paramSpec).getIV(); + } + else + { + throw new InvalidParameterSpecException("IvParameterSpec or RC2ParameterSpec required to initialise a RC2 parameters algorithm parameters object"); + } + } + + protected void engineInit( + byte[] params) + throws IOException + { + this.iv = Arrays.clone(params); + } + + protected void engineInit( + byte[] params, + String format) + throws IOException + { + if (this.isASN1FormatString(format)) + { + RC2CBCParameter p = RC2CBCParameter.getInstance(ASN1Primitive.fromByteArray(params)); + + if (p.getRC2ParameterVersion() != null) + { + parameterVersion = p.getRC2ParameterVersion().intValue(); + } + + iv = p.getIV(); + + return; + } + + if (format.equals("RAW")) + { + engineInit(params); + return; + } + + throw new IOException("Unknown parameters format in IV parameters object"); + } + + protected String engineToString() + { + return "RC2 Parameters"; + } + } public static class Mappings extends AlgorithmProvider @@ -466,36 +452,32 @@ public final class RC2 public void configure(ConfigurableProvider provider) { - // BEGIN android-removed - // provider.addAlgorithm("AlgorithmParameterGenerator.RC2", PREFIX + "$AlgParamGen"); - // provider.addAlgorithm("AlgorithmParameterGenerator.1.2.840.113549.3.2", PREFIX + "$AlgParamGen"); - // - // provider.addAlgorithm("KeyGenerator.RC2", PREFIX + "$KeyGenerator"); - // provider.addAlgorithm("KeyGenerator.1.2.840.113549.3.2", PREFIX + "$KeyGenerator"); - // - // provider.addAlgorithm("AlgorithmParameters.RC2", PREFIX + "$AlgParams"); - // provider.addAlgorithm("AlgorithmParameters.1.2.840.113549.3.2", PREFIX + "$AlgParams"); - // - // provider.addAlgorithm("Cipher.RC2", PREFIX + "$ECB"); - // provider.addAlgorithm("Cipher.RC2WRAP", PREFIX + "$Wrap"); - // provider.addAlgorithm("Alg.Alias.Cipher." + PKCSObjectIdentifiers.id_alg_CMSRC2wrap, "RC2WRAP"); - // provider.addAlgorithm("Cipher.1.2.840.113549.3.2", PREFIX + "$CBC"); - // - // provider.addAlgorithm("Mac.RC2MAC", PREFIX + "$CBCMAC"); - // provider.addAlgorithm("Alg.Alias.Mac.RC2", "RC2MAC"); - // provider.addAlgorithm("Mac.RC2MAC/CFB8", PREFIX + "$CFB8MAC"); - // provider.addAlgorithm("Alg.Alias.Mac.RC2/CFB8", "RC2MAC/CFB8"); - // - // provider.addAlgorithm("Alg.Alias.SecretKeyFactory.PBEWITHMD2ANDRC2-CBC", "PBEWITHMD2ANDRC2"); - // END android-removed + provider.addAlgorithm("AlgorithmParameterGenerator.RC2", PREFIX + "$AlgParamGen"); + provider.addAlgorithm("AlgorithmParameterGenerator.1.2.840.113549.3.2", PREFIX + "$AlgParamGen"); + + provider.addAlgorithm("KeyGenerator.RC2", PREFIX + "$KeyGenerator"); + provider.addAlgorithm("KeyGenerator.1.2.840.113549.3.2", PREFIX + "$KeyGenerator"); + + provider.addAlgorithm("AlgorithmParameters.RC2", PREFIX + "$AlgParams"); + provider.addAlgorithm("AlgorithmParameters.1.2.840.113549.3.2", PREFIX + "$AlgParams"); + + provider.addAlgorithm("Cipher.RC2", PREFIX + "$ECB"); + provider.addAlgorithm("Cipher.RC2WRAP", PREFIX + "$Wrap"); + provider.addAlgorithm("Alg.Alias.Cipher." + PKCSObjectIdentifiers.id_alg_CMSRC2wrap, "RC2WRAP"); + provider.addAlgorithm("Cipher.1.2.840.113549.3.2", PREFIX + "$CBC"); + + provider.addAlgorithm("Mac.RC2MAC", PREFIX + "$CBCMAC"); + provider.addAlgorithm("Alg.Alias.Mac.RC2", "RC2MAC"); + provider.addAlgorithm("Mac.RC2MAC/CFB8", PREFIX + "$CFB8MAC"); + provider.addAlgorithm("Alg.Alias.Mac.RC2/CFB8", "RC2MAC/CFB8"); + + provider.addAlgorithm("Alg.Alias.SecretKeyFactory.PBEWITHMD2ANDRC2-CBC", "PBEWITHMD2ANDRC2"); provider.addAlgorithm("Alg.Alias.SecretKeyFactory.PBEWITHMD5ANDRC2-CBC", "PBEWITHMD5ANDRC2"); provider.addAlgorithm("Alg.Alias.SecretKeyFactory.PBEWITHSHA1ANDRC2-CBC", "PBEWITHSHA1ANDRC2"); - // BEGIN android-removed - // provider.addAlgorithm("Alg.Alias.SecretKeyFactory." + PKCSObjectIdentifiers.pbeWithMD2AndRC2_CBC, "PBEWITHMD2ANDRC2"); - // END android-removed + provider.addAlgorithm("Alg.Alias.SecretKeyFactory." + PKCSObjectIdentifiers.pbeWithMD2AndRC2_CBC, "PBEWITHMD2ANDRC2"); provider.addAlgorithm("Alg.Alias.SecretKeyFactory." + PKCSObjectIdentifiers.pbeWithMD5AndRC2_CBC, "PBEWITHMD5ANDRC2"); @@ -503,18 +485,14 @@ public final class RC2 provider.addAlgorithm("Alg.Alias.SecretKeyFactory.1.2.840.113549.1.12.1.5", "PBEWITHSHAAND128BITRC2-CBC"); provider.addAlgorithm("Alg.Alias.SecretKeyFactory.1.2.840.113549.1.12.1.6", "PBEWITHSHAAND40BITRC2-CBC"); - // BEGIN android-removed - // provider.addAlgorithm("SecretKeyFactory.PBEWITHMD2ANDRC2", PREFIX + "$PBEWithMD2KeyFactory"); - // END android-removed + provider.addAlgorithm("SecretKeyFactory.PBEWITHMD2ANDRC2", PREFIX + "$PBEWithMD2KeyFactory"); provider.addAlgorithm("SecretKeyFactory.PBEWITHMD5ANDRC2", PREFIX + "$PBEWithMD5KeyFactory"); provider.addAlgorithm("SecretKeyFactory.PBEWITHSHA1ANDRC2", PREFIX + "$PBEWithSHA1KeyFactory"); provider.addAlgorithm("SecretKeyFactory.PBEWITHSHAAND128BITRC2-CBC", PREFIX + "$PBEWithSHAAnd128BitKeyFactory"); provider.addAlgorithm("SecretKeyFactory.PBEWITHSHAAND40BITRC2-CBC", PREFIX + "$PBEWithSHAAnd40BitKeyFactory"); - // BEGIN android-removed - // provider.addAlgorithm("Alg.Alias.Cipher." + PKCSObjectIdentifiers.pbeWithMD2AndRC2_CBC, "PBEWITHMD2ANDRC2"); - // END android-removed + provider.addAlgorithm("Alg.Alias.Cipher." + PKCSObjectIdentifiers.pbeWithMD2AndRC2_CBC, "PBEWITHMD2ANDRC2"); provider.addAlgorithm("Alg.Alias.Cipher." + PKCSObjectIdentifiers.pbeWithMD5AndRC2_CBC, "PBEWITHMD5ANDRC2"); |