1 files changed, 177 insertions, 0 deletions
diff --git a/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/RC5.java b/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/RC5.java
new file mode 100644
index 00000000..53a7a291
--- /dev/null
+++ b/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/RC5.java
@@ -0,0 +1,177 @@
+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.CipherKeyGenerator;
+import org.spongycastle.crypto.engines.RC532Engine;
+import org.spongycastle.crypto.engines.RC564Engine;
+import org.spongycastle.crypto.macs.CBCBlockCipherMac;
+import org.spongycastle.crypto.macs.CFBBlockCipherMac;
+import org.spongycastle.crypto.modes.CBCBlockCipher;
+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.IvAlgorithmParameters;
+import org.spongycastle.jcajce.provider.util.AlgorithmProvider;
+import org.spongycastle.jce.provider.BouncyCastleProvider;
+
+public final class RC5
+{
+    private RC5()
+    {
+    }
+
+    /**
+     * RC5
+     */
+    public static class ECB32
+        extends BaseBlockCipher
+    {
+        public ECB32()
+        {
+            super(new RC532Engine());
+        }
+    }
+
+    /**
+     * RC564
+     */
+    public static class ECB64
+        extends BaseBlockCipher
+    {
+        public ECB64()
+        {
+            super(new RC564Engine());
+        }
+    }
+
+    public static class CBC32
+       extends BaseBlockCipher
+    {
+        public CBC32()
+        {
+            super(new CBCBlockCipher(new RC532Engine()), 64);
+        }
+    }
+
+    public static class KeyGen32
+        extends BaseKeyGenerator
+    {
+        public KeyGen32()
+        {
+            super("RC5", 128, new CipherKeyGenerator());
+        }
+    }
+
+    /**
+     * RC5
+     */
+    public static class KeyGen64
+        extends BaseKeyGenerator
+    {
+        public KeyGen64()
+        {
+            super("RC5-64", 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 RC5 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("RC5", BouncyCastleProvider.PROVIDER_NAME);
+                params.init(new IvParameterSpec(iv));
+            }
+            catch (Exception e)
+            {
+                throw new RuntimeException(e.getMessage());
+            }
+
+            return params;
+        }
+    }
+
+    public static class Mac32
+        extends BaseMac
+    {
+        public Mac32()
+        {
+            super(new CBCBlockCipherMac(new RC532Engine()));
+        }
+    }
+
+    public static class CFB8Mac32
+        extends BaseMac
+    {
+        public CFB8Mac32()
+        {
+            super(new CFBBlockCipherMac(new RC532Engine()));
+        }
+    }
+
+    public static class AlgParams
+        extends IvAlgorithmParameters
+    {
+        protected String engineToString()
+        {
+            return "RC5 IV";
+        }
+    }
+
+    public static class Mappings
+        extends AlgorithmProvider
+    {
+        private static final String PREFIX = RC5.class.getName();
+
+        public Mappings()
+        {
+        }
+
+        public void configure(ConfigurableProvider provider)
+        {
+
+            provider.addAlgorithm("Cipher.RC5", PREFIX + "$ECB32");
+            provider.addAlgorithm("Alg.Alias.Cipher.RC5-32", "RC5");
+            provider.addAlgorithm("Cipher.RC5-64", PREFIX + "$ECB64");
+            provider.addAlgorithm("KeyGenerator.RC5", PREFIX + "$KeyGen32");
+            provider.addAlgorithm("Alg.Alias.KeyGenerator.RC5-32", "RC5");
+            provider.addAlgorithm("KeyGenerator.RC5-64", PREFIX + "$KeyGen64");
+            provider.addAlgorithm("AlgorithmParameters.RC5", PREFIX + "$AlgParams");
+            provider.addAlgorithm("AlgorithmParameters.RC5-64", PREFIX + "$AlgParams");
+            provider.addAlgorithm("Mac.RC5MAC", PREFIX + "$Mac32");
+            provider.addAlgorithm("Alg.Alias.Mac.RC5", "RC5MAC");
+            provider.addAlgorithm("Mac.RC5MAC/CFB8", PREFIX + "$CFB8Mac32");
+            provider.addAlgorithm("Alg.Alias.Mac.RC5/CFB8", "RC5MAC/CFB8");
+
+        }
+    }
+}