1 files changed, 0 insertions, 177 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/engines/RFC3394WrapEngine.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/engines/RFC3394WrapEngine.java
deleted file mode 100644
index 67ee43a79..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/engines/RFC3394WrapEngine.java
+++ /dev/null
@@ -1,177 +0,0 @@
-package org.spongycastle.crypto.engines;
-
-import org.spongycastle.crypto.BlockCipher;
-import org.spongycastle.crypto.CipherParameters;
-import org.spongycastle.crypto.DataLengthException;
-import org.spongycastle.crypto.InvalidCipherTextException;
-import org.spongycastle.crypto.Wrapper;
-import org.spongycastle.crypto.params.KeyParameter;
-import org.spongycastle.crypto.params.ParametersWithIV;
-import org.spongycastle.crypto.params.ParametersWithRandom;
-import org.spongycastle.util.Arrays;
-
-/**
- * an implementation of the AES Key Wrapper from the NIST Key Wrap
- * Specification as described in RFC 3394.
- * <p>
- * For further details see: <a href="http://www.ietf.org/rfc/rfc3394.txt">http://www.ietf.org/rfc/rfc3394.txt</a>
- * and  <a href="http://csrc.nist.gov/encryption/kms/key-wrap.pdf">http://csrc.nist.gov/encryption/kms/key-wrap.pdf</a>.
- */
-public class RFC3394WrapEngine
-    implements Wrapper
-{
-    private BlockCipher     engine;
-    private KeyParameter    param;
-    private boolean         forWrapping;
-
-    private byte[]          iv = {
-                              (byte)0xa6, (byte)0xa6, (byte)0xa6, (byte)0xa6,
-                              (byte)0xa6, (byte)0xa6, (byte)0xa6, (byte)0xa6 };
-
-    public RFC3394WrapEngine(BlockCipher engine)
-    {
-        this.engine = engine;
-    }
-
-    public void init(
-        boolean             forWrapping,
-        CipherParameters    param)
-    {
-        this.forWrapping = forWrapping;
-
-        if (param instanceof ParametersWithRandom)
-        {
-            param = ((ParametersWithRandom) param).getParameters();
-        }
-
-        if (param instanceof KeyParameter)
-        {
-            this.param = (KeyParameter)param;
-        }
-        else if (param instanceof ParametersWithIV)
-        {
-            this.iv = ((ParametersWithIV)param).getIV();
-            this.param = (KeyParameter)((ParametersWithIV) param).getParameters();
-            if (this.iv.length != 8)
-            {
-               throw new IllegalArgumentException("IV not equal to 8");
-            }
-        }
-    }
-
-    public String getAlgorithmName()
-    {
-        return engine.getAlgorithmName();
-    }
-
-    public byte[] wrap(
-        byte[]  in,
-        int     inOff,
-        int     inLen)
-    {
-        if (!forWrapping)
-        {
-            throw new IllegalStateException("not set for wrapping");
-        }
-
-        int     n = inLen / 8;
-
-        if ((n * 8) != inLen)
-        {
-            throw new DataLengthException("wrap data must be a multiple of 8 bytes");
-        }
-
-        byte[]  block = new byte[inLen + iv.length];
-        byte[]  buf = new byte[8 + iv.length];
-
-        System.arraycopy(iv, 0, block, 0, iv.length);
-        System.arraycopy(in, inOff, block, iv.length, inLen);
-
-        engine.init(true, param);
-
-        for (int j = 0; j != 6; j++)
-        {
-            for (int i = 1; i <= n; i++)
-            {
-                System.arraycopy(block, 0, buf, 0, iv.length);
-                System.arraycopy(block, 8 * i, buf, iv.length, 8);
-                engine.processBlock(buf, 0, buf, 0);
-
-                int t = n * j + i;
-                for (int k = 1; t != 0; k++)
-                {
-                    byte    v = (byte)t;
-
-                    buf[iv.length - k] ^= v;
-
-                    t >>>= 8;
-                }
-
-                System.arraycopy(buf, 0, block, 0, 8);
-                System.arraycopy(buf, 8, block, 8 * i, 8);
-            }
-        }
-
-        return block;
-    }
-
-    public byte[] unwrap(
-        byte[]  in,
-        int     inOff,
-        int     inLen)
-        throws InvalidCipherTextException
-    {
-        if (forWrapping)
-        {
-            throw new IllegalStateException("not set for unwrapping");
-        }
-
-        int     n = inLen / 8;
-
-        if ((n * 8) != inLen)
-        {
-            throw new InvalidCipherTextException("unwrap data must be a multiple of 8 bytes");
-        }
-
-        byte[]  block = new byte[inLen - iv.length];
-        byte[]  a = new byte[iv.length];
-        byte[]  buf = new byte[8 + iv.length];
-
-        System.arraycopy(in, inOff, a, 0, iv.length);
-        System.arraycopy(in, inOff + iv.length, block, 0, inLen - iv.length);
-
-        engine.init(false, param);
-
-        n = n - 1;
-
-        for (int j = 5; j >= 0; j--)
-        {
-            for (int i = n; i >= 1; i--)
-            {
-                System.arraycopy(a, 0, buf, 0, iv.length);
-                System.arraycopy(block, 8 * (i - 1), buf, iv.length, 8);
-
-                int t = n * j + i;
-                for (int k = 1; t != 0; k++)
-                {
-                    byte    v = (byte)t;
-
-                    buf[iv.length - k] ^= v;
-
-                    t >>>= 8;
-                }
-
-                engine.processBlock(buf, 0, buf, 0);
-                System.arraycopy(buf, 0, a, 0, 8);
-                System.arraycopy(buf, 8, block, 8 * (i - 1), 8);
-            }
-        }
-
-        if (!Arrays.constantTimeAreEqual(a, iv))
-        {
-            throw new InvalidCipherTextException("checksum failed");
-        }
-
-        return block;
-    }
-}