1 files changed, 124 insertions, 0 deletions
diff --git a/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/Shacal2.java b/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/Shacal2.java
new file mode 100644
index 00000000..942544e4
--- /dev/null
+++ b/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/Shacal2.java
@@ -0,0 +1,124 @@
+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.CipherKeyGenerator;
+import org.spongycastle.crypto.engines.Shacal2Engine;
+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.BlockCipherProvider;
+import org.spongycastle.jcajce.provider.symmetric.util.IvAlgorithmParameters;
+import org.spongycastle.jce.provider.BouncyCastleProvider;
+
+public final class Shacal2
+{
+    private Shacal2()
+    {
+    }
+    
+    public static class ECB
+        extends BaseBlockCipher
+    {
+        public ECB()
+        {
+            super(new BlockCipherProvider()
+            {
+                public BlockCipher get()
+                {
+                    return new Shacal2Engine();
+                }
+            });
+        }
+    }
+
+    public static class CBC
+       extends BaseBlockCipher
+    {
+        public CBC()
+        {
+            super(new CBCBlockCipher(new Shacal2Engine()), 256);//block size
+        }
+    }
+
+    public static class KeyGen
+        extends BaseKeyGenerator
+    {
+        public KeyGen()
+        {
+            super("Shacal2", 512, new CipherKeyGenerator());//key size
+        }
+    }
+
+    public static class AlgParamGen
+        extends BaseAlgorithmParameterGenerator
+    {
+        protected void engineInit(
+            AlgorithmParameterSpec genParamSpec,
+            SecureRandom random)
+            throws InvalidAlgorithmParameterException
+        {
+            throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for Shacal2 parameter generation.");
+        }
+
+        protected AlgorithmParameters engineGenerateParameters()
+        {
+            byte[] iv = new byte[32];// block size 256
+
+            if (random == null)
+            {
+                random = new SecureRandom();
+            }
+
+            random.nextBytes(iv);
+
+            AlgorithmParameters params;
+
+            try
+            {
+                params = AlgorithmParameters.getInstance("Shacal2", 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 "Shacal2 IV";
+        }
+    }
+
+    public static class Mappings
+        extends SymmetricAlgorithmProvider
+    {
+        private static final String PREFIX = Shacal2.class.getName();
+
+        public Mappings()
+        {
+        }
+
+        public void configure(ConfigurableProvider provider)
+        {
+            provider.addAlgorithm("Cipher.Shacal2", PREFIX + "$ECB");
+            provider.addAlgorithm("KeyGenerator.Shacal2", PREFIX + "$KeyGen");        
+            provider.addAlgorithm("AlgorithmParameterGenerator.Shacal2", PREFIX + "$AlgParamGen");
+        	provider.addAlgorithm("AlgorithmParameters.Shacal2", PREFIX + "$AlgParams");
+        }
+    }
+}