1 files changed, 180 insertions, 0 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/RC6.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/RC6.java
new file mode 100644
index 000000000..232958f5f
--- /dev/null
+++ b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/RC6.java
@@ -0,0 +1,180 @@
+package org.spongycastle.jcajce.provider.symmetric;
+
+import java.security.AlgorithmParameters;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.SecureRandom;
+import java.security.spec.AlgorithmParameterSpec;
+
+import javax.crypto.spec.IvParameterSpec;
+
+import org.spongycastle.crypto.BlockCipher;
+import org.spongycastle.crypto.BufferedBlockCipher;
+import org.spongycastle.crypto.CipherKeyGenerator;
+import org.spongycastle.crypto.engines.RC6Engine;
+import org.spongycastle.crypto.generators.Poly1305KeyGenerator;
+import org.spongycastle.crypto.macs.GMac;
+import org.spongycastle.crypto.modes.CBCBlockCipher;
+import org.spongycastle.crypto.modes.CFBBlockCipher;
+import org.spongycastle.crypto.modes.GCMBlockCipher;
+import org.spongycastle.crypto.modes.OFBBlockCipher;
+import org.spongycastle.jcajce.provider.config.ConfigurableProvider;
+import org.spongycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameterGenerator;
+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.jce.provider.BouncyCastleProvider;
+
+public final class RC6
+{
+    private RC6()
+    {
+    }
+    
+    public static class ECB
+        extends BaseBlockCipher
+    {
+        public ECB()
+        {
+            super(new BlockCipherProvider()
+            {
+                public BlockCipher get()
+                {
+                    return new RC6Engine();
+                }
+            });
+        }
+    }
+
+    public static class CBC
+       extends BaseBlockCipher
+    {
+        public CBC()
+        {
+            super(new CBCBlockCipher(new RC6Engine()), 128);
+        }
+    }
+
+    static public class CFB
+        extends BaseBlockCipher
+    {
+        public CFB()
+        {
+            super(new BufferedBlockCipher(new CFBBlockCipher(new RC6Engine(), 128)), 128);
+        }
+    }
+
+    static public class OFB
+        extends BaseBlockCipher
+    {
+        public OFB()
+        {
+            super(new BufferedBlockCipher(new OFBBlockCipher(new RC6Engine(), 128)), 128);
+        }
+    }
+
+    public static class GMAC
+        extends BaseMac
+    {
+        public GMAC()
+        {
+            super(new GMac(new GCMBlockCipher(new RC6Engine())));
+        }
+    }
+
+    public static class Poly1305
+        extends BaseMac
+    {
+        public Poly1305()
+        {
+            super(new org.spongycastle.crypto.macs.Poly1305(new RC6Engine()));
+        }
+    }
+
+    public static class Poly1305KeyGen
+        extends BaseKeyGenerator
+    {
+        public Poly1305KeyGen()
+        {
+            super("Poly1305-RC6", 256, new Poly1305KeyGenerator());
+        }
+    }
+
+    public static class KeyGen
+        extends BaseKeyGenerator
+    {
+        public KeyGen()
+        {
+            super("RC6", 256, new CipherKeyGenerator());
+        }
+    }
+
+    public static class AlgParamGen
+        extends BaseAlgorithmParameterGenerator
+    {
+        protected void engineInit(
+            AlgorithmParameterSpec genParamSpec,
+            SecureRandom random)
+            throws InvalidAlgorithmParameterException
+        {
+            throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for RC6 parameter generation.");
+        }
+
+        protected AlgorithmParameters engineGenerateParameters()
+        {
+            byte[]  iv = new byte[16];
+
+            if (random == null)
+            {
+                random = new SecureRandom();
+            }
+
+            random.nextBytes(iv);
+
+            AlgorithmParameters params;
+
+            try
+            {
+                params = AlgorithmParameters.getInstance("RC6", BouncyCastleProvider.PROVIDER_NAME);
+                params.init(new IvParameterSpec(iv));
+            }
+            catch (Exception e)
+            {
+                throw new RuntimeException(e.getMessage());
+            }
+
+            return params;
+        }
+    }
+
+    public static class AlgParams
+        extends IvAlgorithmParameters
+    {
+        protected String engineToString()
+        {
+            return "RC6 IV";
+        }
+    }
+
+    public static class Mappings
+        extends SymmetricAlgorithmProvider
+    {
+        private static final String PREFIX = RC6.class.getName();
+
+        public Mappings()
+        {
+        }
+
+        public void configure(ConfigurableProvider provider)
+        {
+
+            provider.addAlgorithm("Cipher.RC6", PREFIX + "$ECB");
+            provider.addAlgorithm("KeyGenerator.RC6", PREFIX + "$KeyGen");
+            provider.addAlgorithm("AlgorithmParameters.RC6", PREFIX + "$AlgParams");
+
+            addGMacAlgorithm(provider, "RC6", PREFIX + "$GMAC", PREFIX + "$KeyGen");
+            addPoly1305Algorithm(provider, "RC6", PREFIX + "$Poly1305", PREFIX + "$Poly1305KeyGen");
+        }
+    }
+}