diff options
Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/jcajce/provider/symmetric/DESede.java')
| -rw-r--r-- | bcprov/src/main/java/org/bouncycastle/jcajce/provider/symmetric/DESede.java | 423 |
1 files changed, 423 insertions, 0 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/jcajce/provider/symmetric/DESede.java b/bcprov/src/main/java/org/bouncycastle/jcajce/provider/symmetric/DESede.java new file mode 100644 index 0000000..8e719d6 --- /dev/null +++ b/bcprov/src/main/java/org/bouncycastle/jcajce/provider/symmetric/DESede.java @@ -0,0 +1,423 @@ +package org.bouncycastle.jcajce.provider.symmetric; + +// BEGIN android-removed +// import java.security.AlgorithmParameters; +// import java.security.InvalidAlgorithmParameterException; +// END android-removed +import java.security.SecureRandom; +// BEGIN android-removed +// import java.security.spec.AlgorithmParameterSpec; +// END android-removed +import java.security.spec.InvalidKeySpecException; +import java.security.spec.KeySpec; + +import javax.crypto.SecretKey; +import javax.crypto.spec.DESedeKeySpec; +// BEGIN android-removed +// import javax.crypto.spec.IvParameterSpec; +// END android-removed +import javax.crypto.spec.SecretKeySpec; + +import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; +import org.bouncycastle.crypto.KeyGenerationParameters; +import org.bouncycastle.crypto.engines.DESedeEngine; +import org.bouncycastle.crypto.engines.DESedeWrapEngine; +// BEGIN android-removed +// import org.bouncycastle.crypto.engines.RFC3211WrapEngine; +// END android-removed +import org.bouncycastle.crypto.generators.DESedeKeyGenerator; +import org.bouncycastle.crypto.macs.CBCBlockCipherMac; +// BEGIN android-removed +// import org.bouncycastle.crypto.macs.CFBBlockCipherMac; +// import org.bouncycastle.crypto.macs.CMac; +// END android-removed +import org.bouncycastle.crypto.modes.CBCBlockCipher; +import org.bouncycastle.crypto.paddings.ISO7816d4Padding; +import org.bouncycastle.jcajce.provider.config.ConfigurableProvider; +// BEGIN android-removed +// import org.bouncycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameterGenerator; +// END android-removed +import org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher; +import org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator; +import org.bouncycastle.jcajce.provider.symmetric.util.BaseMac; +import org.bouncycastle.jcajce.provider.symmetric.util.BaseSecretKeyFactory; +import org.bouncycastle.jcajce.provider.symmetric.util.BaseWrapCipher; +import org.bouncycastle.jcajce.provider.util.AlgorithmProvider; +import org.bouncycastle.jce.provider.BouncyCastleProvider; + +public final class DESede +{ + private DESede() + { + } + + static public class ECB + extends BaseBlockCipher + { + public ECB() + { + super(new DESedeEngine()); + } + } + + static public class CBC + extends BaseBlockCipher + { + public CBC() + { + super(new CBCBlockCipher(new DESedeEngine()), 64); + } + } + + // BEGIN android-removed + // /** + // * DESede CFB8 + // */ + // public static class DESedeCFB8 + // extends BaseMac + // { + // public DESedeCFB8() + // { + // super(new CFBBlockCipherMac(new DESedeEngine())); + // } + // } + // END android-removed + + /** + * DESede64 + */ + public static class DESede64 + extends BaseMac + { + public DESede64() + { + super(new CBCBlockCipherMac(new DESedeEngine(), 64)); + } + } + + /** + * DESede64with7816-4Padding + */ + public static class DESede64with7816d4 + extends BaseMac + { + public DESede64with7816d4() + { + super(new CBCBlockCipherMac(new DESedeEngine(), 64, new ISO7816d4Padding())); + } + } + + public static class CBCMAC + extends BaseMac + { + public CBCMAC() + { + super(new CBCBlockCipherMac(new DESedeEngine())); + } + } + + // BEGIN android-removed + // static public class CMAC + // extends BaseMac + // { + // public CMAC() + // { + // super(new CMac(new DESedeEngine())); + // } + // } + // END android-removed + + public static class Wrap + extends BaseWrapCipher + { + public Wrap() + { + super(new DESedeWrapEngine()); + } + } + + // BEGIN android-removed + // public static class RFC3211 + // extends BaseWrapCipher + // { + // public RFC3211() + // { + // super(new RFC3211WrapEngine(new DESedeEngine()), 8); + // } + // } + // END android-removed + + /** + * DESede - the default for this is to generate a key in + * a-b-a format that's 24 bytes long but has 16 bytes of + * key material (the first 8 bytes is repeated as the last + * 8 bytes). If you give it a size, you'll get just what you + * asked for. + */ + public static class KeyGenerator + extends BaseKeyGenerator + { + private boolean keySizeSet = false; + + public KeyGenerator() + { + super("DESede", 192, new DESedeKeyGenerator()); + } + + protected void engineInit( + int keySize, + SecureRandom random) + { + super.engineInit(keySize, random); + keySizeSet = true; + } + + protected SecretKey engineGenerateKey() + { + if (uninitialised) + { + engine.init(new KeyGenerationParameters(new SecureRandom(), defaultKeySize)); + uninitialised = false; + } + + // + // if no key size has been defined generate a 24 byte key in + // the a-b-a format + // + if (!keySizeSet) + { + byte[] k = engine.generateKey(); + + System.arraycopy(k, 0, k, 16, 8); + + return new SecretKeySpec(k, algName); + } + else + { + return new SecretKeySpec(engine.generateKey(), algName); + } + } + } + + /** + * generate a desEDE key in the a-b-c format. + */ + public static class KeyGenerator3 + extends BaseKeyGenerator + { + public KeyGenerator3() + { + super("DESede3", 192, new DESedeKeyGenerator()); + } + } + + /** + * PBEWithSHAAnd3-KeyTripleDES-CBC + */ + static public class PBEWithSHAAndDES3Key + extends BaseBlockCipher + { + public PBEWithSHAAndDES3Key() + { + super(new CBCBlockCipher(new DESedeEngine())); + } + } + + /** + * PBEWithSHAAnd2-KeyTripleDES-CBC + */ + static public class PBEWithSHAAndDES2Key + extends BaseBlockCipher + { + public PBEWithSHAAndDES2Key() + { + super(new CBCBlockCipher(new DESedeEngine())); + } + } + + // BEGIN android-removed + // public static class AlgParamGen + // extends BaseAlgorithmParameterGenerator + // { + // protected void engineInit( + // AlgorithmParameterSpec genParamSpec, + // SecureRandom random) + // throws InvalidAlgorithmParameterException + // { + // throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for DES parameter generation."); + // } + // + // protected AlgorithmParameters engineGenerateParameters() + // { + // byte[] iv = new byte[8]; + // + // if (random == null) + // { + // random = new SecureRandom(); + // } + // + // random.nextBytes(iv); + // + // AlgorithmParameters params; + // + // try + // { + // params = AlgorithmParameters.getInstance("DES", BouncyCastleProvider.PROVIDER_NAME); + // params.init(new IvParameterSpec(iv)); + // } + // catch (Exception e) + // { + // throw new RuntimeException(e.getMessage()); + // } + // + // return params; + // } + // } + // END android-removed + + static public class KeyFactory + extends BaseSecretKeyFactory + { + public KeyFactory() + { + super("DESede", null); + } + + protected KeySpec engineGetKeySpec( + SecretKey key, + Class keySpec) + throws InvalidKeySpecException + { + if (keySpec == null) + { + throw new InvalidKeySpecException("keySpec parameter is null"); + } + if (key == null) + { + throw new InvalidKeySpecException("key parameter is null"); + } + + if (SecretKeySpec.class.isAssignableFrom(keySpec)) + { + return new SecretKeySpec(key.getEncoded(), algName); + } + else if (DESedeKeySpec.class.isAssignableFrom(keySpec)) + { + byte[] bytes = key.getEncoded(); + + try + { + if (bytes.length == 16) + { + byte[] longKey = new byte[24]; + + System.arraycopy(bytes, 0, longKey, 0, 16); + System.arraycopy(bytes, 0, longKey, 16, 8); + + return new DESedeKeySpec(longKey); + } + else + { + return new DESedeKeySpec(bytes); + } + } + catch (Exception e) + { + throw new InvalidKeySpecException(e.toString()); + } + } + + throw new InvalidKeySpecException("Invalid KeySpec"); + } + + protected SecretKey engineGenerateSecret( + KeySpec keySpec) + throws InvalidKeySpecException + { + if (keySpec instanceof DESedeKeySpec) + { + DESedeKeySpec desKeySpec = (DESedeKeySpec)keySpec; + return new SecretKeySpec(desKeySpec.getKey(), "DESede"); + } + + return super.engineGenerateSecret(keySpec); + } + } + + public static class Mappings + extends AlgorithmProvider + { + private static final String PREFIX = DESede.class.getName(); + private static final String PACKAGE = "org.bouncycastle.jcajce.provider.symmetric"; // JDK 1.2 + + public Mappings() + { + } + + public void configure(ConfigurableProvider provider) + { + provider.addAlgorithm("Cipher.DESEDE", PREFIX + "$ECB"); + // BEGIN android-removed + // provider.addAlgorithm("Cipher." + PKCSObjectIdentifiers.des_EDE3_CBC, PREFIX + "$CBC"); + // END android-removed + provider.addAlgorithm("Cipher.DESEDEWRAP", PREFIX + "$Wrap"); + // BEGIN android-changed + provider.addAlgorithm("Alg.Alias.Cipher." + PKCSObjectIdentifiers.id_alg_CMS3DESwrap, "DESEDEWRAP"); + // END android-changed + // BEGIN android-removed + // provider.addAlgorithm("Cipher.DESEDERFC3211WRAP", PREFIX + "$RFC3211"); + // END android-removed + + if (provider.hasAlgorithm("MessageDigest", "SHA-1")) + { + provider.addAlgorithm("Cipher.PBEWITHSHAAND3-KEYTRIPLEDES-CBC", PREFIX + "$PBEWithSHAAndDES3Key"); + // BEGIN android-removed + // provider.addAlgorithm("Cipher.BROKENPBEWITHSHAAND3-KEYTRIPLEDES-CBC", PREFIX + "$BrokePBEWithSHAAndDES3Key"); + // provider.addAlgorithm("Cipher.OLDPBEWITHSHAAND3-KEYTRIPLEDES-CBC", PREFIX + "$OldPBEWithSHAAndDES3Key"); + // END android-removed + provider.addAlgorithm("Cipher.PBEWITHSHAAND2-KEYTRIPLEDES-CBC", PREFIX + "$PBEWithSHAAndDES2Key"); + // BEGIN android-removed + // provider.addAlgorithm("Cipher.BROKENPBEWITHSHAAND2-KEYTRIPLEDES-CBC", PREFIX + "$BrokePBEWithSHAAndDES2Key"); + // END android-removed + provider.addAlgorithm("Alg.Alias.Cipher." + PKCSObjectIdentifiers.pbeWithSHAAnd3_KeyTripleDES_CBC, "PBEWITHSHAAND3-KEYTRIPLEDES-CBC"); + provider.addAlgorithm("Alg.Alias.Cipher." + PKCSObjectIdentifiers.pbeWithSHAAnd2_KeyTripleDES_CBC, "PBEWITHSHAAND2-KEYTRIPLEDES-CBC"); + provider.addAlgorithm("Alg.Alias.Cipher.PBEWITHSHA1ANDDESEDE", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC"); + provider.addAlgorithm("Alg.Alias.Cipher.PBEWITHSHA1AND3-KEYTRIPLEDES-CBC", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC"); + provider.addAlgorithm("Alg.Alias.Cipher.PBEWITHSHA1AND2-KEYTRIPLEDES-CBC", "PBEWITHSHAAND2-KEYTRIPLEDES-CBC"); + } + + provider.addAlgorithm("KeyGenerator.DESEDE", PREFIX + "$KeyGenerator"); + // BEGIN android-removed + // provider.addAlgorithm("KeyGenerator." + PKCSObjectIdentifiers.des_EDE3_CBC, PREFIX + "$KeyGenerator3"); + // provider.addAlgorithm("KeyGenerator.DESEDEWRAP", PREFIX + "$KeyGenerator"); + // END android-removed + + provider.addAlgorithm("SecretKeyFactory.DESEDE", PREFIX + "$KeyFactory"); + + // BEGIN android-removed + // provider.addAlgorithm("Mac.DESEDECMAC", PREFIX + "$CMAC"); + // provider.addAlgorithm("Mac.DESEDEMAC", PREFIX + "$CBCMAC"); + // provider.addAlgorithm("Alg.Alias.Mac.DESEDE", "DESEDEMAC"); + // + // provider.addAlgorithm("Mac.DESEDEMAC/CFB8", PREFIX + "$DESedeCFB8"); + // provider.addAlgorithm("Alg.Alias.Mac.DESEDE/CFB8", "DESEDEMAC/CFB8"); + // + // provider.addAlgorithm("Mac.DESEDEMAC64", PREFIX + "$DESede64"); + // provider.addAlgorithm("Alg.Alias.Mac.DESEDE64", "DESEDEMAC64"); + // + // provider.addAlgorithm("Mac.DESEDEMAC64WITHISO7816-4PADDING", PREFIX + "$DESede64with7816d4"); + // provider.addAlgorithm("Alg.Alias.Mac.DESEDE64WITHISO7816-4PADDING", "DESEDEMAC64WITHISO7816-4PADDING"); + // provider.addAlgorithm("Alg.Alias.Mac.DESEDEISO9797ALG1MACWITHISO7816-4PADDING", "DESEDEMAC64WITHISO7816-4PADDING"); + // provider.addAlgorithm("Alg.Alias.Mac.DESEDEISO9797ALG1WITHISO7816-4PADDING", "DESEDEMAC64WITHISO7816-4PADDING"); + // END android-removed + + provider.addAlgorithm("AlgorithmParameters.DESEDE", PACKAGE + ".util.IvAlgorithmParameters"); + provider.addAlgorithm("Alg.Alias.AlgorithmParameters." + PKCSObjectIdentifiers.des_EDE3_CBC, "DESEDE"); + + // BEGIN android-removed + // provider.addAlgorithm("AlgorithmParameterGenerator.DESEDE", PREFIX + "$AlgParamGen"); + // provider.addAlgorithm("Alg.Alias.AlgorithmParameterGenerator." + PKCSObjectIdentifiers.des_EDE3_CBC, "DESEDE"); + // END android-removed + } + } +} |