| package org.bouncycastle.jcajce.provider.symmetric; |
| |
| // Android-removed: Unsupported algorithms |
| // import org.bouncycastle.crypto.BlockCipher; |
| // import org.bouncycastle.crypto.CipherKeyGenerator; |
| import org.bouncycastle.crypto.engines.TwofishEngine; |
| // Android-removed: Unsupported algorithms |
| // import org.bouncycastle.crypto.generators.Poly1305KeyGenerator; |
| // import org.bouncycastle.crypto.macs.GMac; |
| import org.bouncycastle.crypto.modes.CBCBlockCipher; |
| // Android-removed: Unsupported algorithms |
| // import org.bouncycastle.crypto.modes.GCMBlockCipher; |
| import org.bouncycastle.jcajce.provider.config.ConfigurableProvider; |
| import org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher; |
| // Android-removed: Unsupported algorithms |
| // import org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator; |
| // import org.bouncycastle.jcajce.provider.symmetric.util.BaseMac; |
| // import org.bouncycastle.jcajce.provider.symmetric.util.BlockCipherProvider; |
| // import org.bouncycastle.jcajce.provider.symmetric.util.IvAlgorithmParameters; |
| import org.bouncycastle.jcajce.provider.symmetric.util.PBESecretKeyFactory; |
| |
| public final class Twofish |
| { |
| private Twofish() |
| { |
| } |
| |
| // BEGIN Android-removed: Unsupported algorithms |
| /* |
| public static class ECB |
| extends BaseBlockCipher |
| { |
| public ECB() |
| { |
| super(new BlockCipherProvider() |
| { |
| public BlockCipher get() |
| { |
| return new TwofishEngine(); |
| } |
| }); |
| } |
| } |
| |
| public static class KeyGen |
| extends BaseKeyGenerator |
| { |
| public KeyGen() |
| { |
| super("Twofish", 256, new CipherKeyGenerator()); |
| } |
| } |
| |
| public static class GMAC |
| extends BaseMac |
| { |
| public GMAC() |
| { |
| super(new GMac(new GCMBlockCipher(new TwofishEngine()))); |
| } |
| } |
| |
| public static class Poly1305 |
| extends BaseMac |
| { |
| public Poly1305() |
| { |
| super(new org.bouncycastle.crypto.macs.Poly1305(new TwofishEngine())); |
| } |
| } |
| |
| public static class Poly1305KeyGen |
| extends BaseKeyGenerator |
| { |
| public Poly1305KeyGen() |
| { |
| super("Poly1305-Twofish", 256, new Poly1305KeyGenerator()); |
| } |
| } |
| */ |
| // END Android-removed: Unsupported algorithms |
| |
| /** |
| * PBEWithSHAAndTwofish-CBC |
| */ |
| static public class PBEWithSHAKeyFactory |
| extends PBESecretKeyFactory |
| { |
| public PBEWithSHAKeyFactory() |
| { |
| super("PBEwithSHAandTwofish-CBC", null, true, PKCS12, SHA1, 256, 128); |
| } |
| } |
| |
| /** |
| * PBEWithSHAAndTwofish-CBC |
| */ |
| static public class PBEWithSHA |
| extends BaseBlockCipher |
| { |
| public PBEWithSHA() |
| { |
| super(new CBCBlockCipher(new TwofishEngine()), PKCS12, SHA1, 256, 16); |
| } |
| } |
| |
| // BEGIN Android-removed: Unsupported algorithms |
| /* |
| public static class AlgParams |
| extends IvAlgorithmParameters |
| { |
| protected String engineToString() |
| { |
| return "Twofish IV"; |
| } |
| } |
| */ |
| // END Android-removed: Unsupported algorithms |
| |
| public static class Mappings |
| extends SymmetricAlgorithmProvider |
| { |
| private static final String PREFIX = Twofish.class.getName(); |
| |
| public Mappings() |
| { |
| } |
| |
| public void configure(ConfigurableProvider provider) |
| { |
| // BEGIN Android-removed: Unsupported algorithms |
| // provider.addAlgorithm("Cipher.Twofish", PREFIX + "$ECB"); |
| // provider.addAlgorithm("KeyGenerator.Twofish", PREFIX + "$KeyGen"); |
| // provider.addAlgorithm("AlgorithmParameters.Twofish", PREFIX + "$AlgParams"); |
| // END Android-removed: Unsupported algorithms |
| |
| // Android-note: These algorithms are necessary for KeyStore.BouncyCastle |
| provider.addAlgorithm("Alg.Alias.AlgorithmParameters.PBEWITHSHAANDTWOFISH", "PKCS12PBE"); |
| provider.addAlgorithm("Alg.Alias.AlgorithmParameters.PBEWITHSHAANDTWOFISH-CBC", "PKCS12PBE"); |
| provider.addAlgorithm("Cipher.PBEWITHSHAANDTWOFISH-CBC", PREFIX + "$PBEWithSHA"); |
| provider.addAlgorithm("SecretKeyFactory.PBEWITHSHAANDTWOFISH-CBC", PREFIX + "$PBEWithSHAKeyFactory"); |
| |
| // BEGIN Android-removed: Unsupported algorithms |
| // addGMacAlgorithm(provider, "Twofish", PREFIX + "$GMAC", PREFIX + "$KeyGen"); |
| // addPoly1305Algorithm(provider, "Twofish", PREFIX + "$Poly1305", PREFIX + "$Poly1305KeyGen"); |
| // END Android-removed: Unsupported algorithms |
| } |
| } |
| } |