1 files changed, 132 insertions, 0 deletions
diff --git a/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/Twofish.java b/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/Twofish.java
new file mode 100644
index 00000000..ec357fe4
--- /dev/null
+++ b/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/Twofish.java
@@ -0,0 +1,132 @@
+package org.spongycastle.jcajce.provider.symmetric;
+
+import org.spongycastle.crypto.BlockCipher;
+import org.spongycastle.crypto.CipherKeyGenerator;
+import org.spongycastle.crypto.engines.TwofishEngine;
+import org.spongycastle.crypto.generators.Poly1305KeyGenerator;
+import org.spongycastle.crypto.macs.GMac;
+import org.spongycastle.crypto.modes.CBCBlockCipher;
+import org.spongycastle.crypto.modes.GCMBlockCipher;
+import org.spongycastle.jcajce.provider.config.ConfigurableProvider;
+import org.spongycastle.jcajce.provider.symmetric.util.BaseBlockCipher;
+import org.spongycastle.jcajce.provider.symmetric.util.BaseKeyGenerator;
+import org.spongycastle.jcajce.provider.symmetric.util.BaseMac;
+import org.spongycastle.jcajce.provider.symmetric.util.BlockCipherProvider;
+import org.spongycastle.jcajce.provider.symmetric.util.IvAlgorithmParameters;
+import org.spongycastle.jcajce.provider.symmetric.util.PBESecretKeyFactory;
+
+public final class Twofish
+{
+    private Twofish()
+    {
+    }
+
+    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.spongycastle.crypto.macs.Poly1305(new TwofishEngine()));
+        }
+    }
+
+    public static class Poly1305KeyGen
+        extends BaseKeyGenerator
+    {
+        public Poly1305KeyGen()
+        {
+            super("Poly1305-Twofish", 256, new Poly1305KeyGenerator());
+        }
+    }
+
+    /**
+     * 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()));
+        }
+    }
+
+    public static class AlgParams
+        extends IvAlgorithmParameters
+    {
+        protected String engineToString()
+        {
+            return "Twofish IV";
+        }
+    }
+
+    public static class Mappings
+        extends SymmetricAlgorithmProvider
+    {
+        private static final String PREFIX = Twofish.class.getName();
+
+        public Mappings()
+        {
+        }
+
+        public void configure(ConfigurableProvider provider)
+        {
+            provider.addAlgorithm("Cipher.Twofish", PREFIX + "$ECB");
+            provider.addAlgorithm("KeyGenerator.Twofish", PREFIX + "$KeyGen");
+            provider.addAlgorithm("AlgorithmParameters.Twofish", PREFIX + "$AlgParams");
+
+            provider.addAlgorithm("Alg.Alias.AlgorithmParameters.PBEWITHSHAANDTWOFISH", "PKCS12PBE");
+            provider.addAlgorithm("Alg.Alias.AlgorithmParameters.PBEWITHSHAANDTWOFISH-CBC", "PKCS12PBE");
+            provider.addAlgorithm("Cipher.PBEWITHSHAANDTWOFISH-CBC",  PREFIX + "$PBEWithSHA");
+            provider.addAlgorithm("SecretKeyFactory.PBEWITHSHAANDTWOFISH-CBC", PREFIX + "$PBEWithSHAKeyFactory");
+
+            addGMacAlgorithm(provider, "Twofish", PREFIX + "$GMAC", PREFIX + "$KeyGen");
+            addPoly1305Algorithm(provider, "Twofish", PREFIX + "$Poly1305", PREFIX + "$Poly1305KeyGen");
+        }
+    }
+}