1 files changed, 0 insertions, 231 deletions
diff --git a/core/src/main/java/org/bouncycastle/crypto/macs/HMac.java b/core/src/main/java/org/bouncycastle/crypto/macs/HMac.java
deleted file mode 100644
index d4345d9b..00000000
--- a/core/src/main/java/org/bouncycastle/crypto/macs/HMac.java
+++ /dev/null
@@ -1,231 +0,0 @@
-package org.bouncycastle.crypto.macs;
-
-import java.util.Hashtable;
-
-import org.bouncycastle.crypto.CipherParameters;
-import org.bouncycastle.crypto.Digest;
-import org.bouncycastle.crypto.ExtendedDigest;
-import org.bouncycastle.crypto.Mac;
-import org.bouncycastle.crypto.params.KeyParameter;
-import org.bouncycastle.util.Integers;
-import org.bouncycastle.util.Memoable;
-
-/**
- * HMAC implementation based on RFC2104
- *
- * H(K XOR opad, H(K XOR ipad, text))
- */
-public class HMac
-    implements Mac
-{
-    private final static byte IPAD = (byte)0x36;
-    private final static byte OPAD = (byte)0x5C;
-
-    private Digest digest;
-    private int digestSize;
-    private int blockLength;
-    private Memoable ipadState;
-    private Memoable opadState;
-
-    private byte[] inputPad;
-    private byte[] outputBuf;
-
-    private static Hashtable blockLengths;
-    
-    static
-    {
-        blockLengths = new Hashtable();
-        
-        blockLengths.put("GOST3411", Integers.valueOf(32));
-        
-        blockLengths.put("MD2", Integers.valueOf(16));
-        blockLengths.put("MD4", Integers.valueOf(64));
-        blockLengths.put("MD5", Integers.valueOf(64));
-        
-        blockLengths.put("RIPEMD128", Integers.valueOf(64));
-        blockLengths.put("RIPEMD160", Integers.valueOf(64));
-        
-        blockLengths.put("SHA-1", Integers.valueOf(64));
-        blockLengths.put("SHA-224", Integers.valueOf(64));
-        blockLengths.put("SHA-256", Integers.valueOf(64));
-        blockLengths.put("SHA-384", Integers.valueOf(128));
-        blockLengths.put("SHA-512", Integers.valueOf(128));
-        
-        blockLengths.put("Tiger", Integers.valueOf(64));
-        blockLengths.put("Whirlpool", Integers.valueOf(64));
-    }
-    
-    private static int getByteLength(
-        Digest digest)
-    {
-        if (digest instanceof ExtendedDigest)
-        {
-            return ((ExtendedDigest)digest).getByteLength();
-        }
-        
-        Integer  b = (Integer)blockLengths.get(digest.getAlgorithmName());
-        
-        if (b == null)
-        {       
-            throw new IllegalArgumentException("unknown digest passed: " + digest.getAlgorithmName());
-        }
-        
-        return b.intValue();
-    }
-    
-    /**
-     * Base constructor for one of the standard digest algorithms that the 
-     * byteLength of the algorithm is know for.
-     * 
-     * @param digest the digest.
-     */
-    public HMac(
-        Digest digest)
-    {
-        this(digest, getByteLength(digest));
-    }
-
-    private HMac(
-        Digest digest,
-        int    byteLength)
-    {
-        this.digest = digest;
-        this.digestSize = digest.getDigestSize();
-        this.blockLength = byteLength;
-        this.inputPad = new byte[blockLength];
-        this.outputBuf = new byte[blockLength + digestSize];
-    }
-
-    public String getAlgorithmName()
-    {
-        return digest.getAlgorithmName() + "/HMAC";
-    }
-
-    public Digest getUnderlyingDigest()
-    {
-        return digest;
-    }
-
-    public void init(
-        CipherParameters params)
-    {
-        digest.reset();
-
-        byte[] key = ((KeyParameter)params).getKey();
-        int keyLength = key.length;
-
-        if (keyLength > blockLength)
-        {
-            digest.update(key, 0, keyLength);
-            digest.doFinal(inputPad, 0);
-            
-            keyLength = digestSize;
-        }
-        else
-        {
-            System.arraycopy(key, 0, inputPad, 0, keyLength);
-        }
-
-        for (int i = keyLength; i < inputPad.length; i++)
-        {
-            inputPad[i] = 0;
-        }
-
-        System.arraycopy(inputPad, 0, outputBuf, 0, blockLength);
-
-        xorPad(inputPad, blockLength, IPAD);
-        xorPad(outputBuf, blockLength, OPAD);
-
-        if (digest instanceof Memoable)
-        {
-            opadState = ((Memoable)digest).copy();
-
-            ((Digest)opadState).update(outputBuf, 0, blockLength);
-        }
-
-        digest.update(inputPad, 0, inputPad.length);
-
-        if (digest instanceof Memoable)
-        {
-            ipadState = ((Memoable)digest).copy();
-        }
-    }
-
-    public int getMacSize()
-    {
-        return digestSize;
-    }
-
-    public void update(
-        byte in)
-    {
-        digest.update(in);
-    }
-
-    public void update(
-        byte[] in,
-        int inOff,
-        int len)
-    {
-        digest.update(in, inOff, len);
-    }
-
-    public int doFinal(
-        byte[] out,
-        int outOff)
-    {
-        digest.doFinal(outputBuf, blockLength);
-
-        if (opadState != null)
-        {
-            ((Memoable)digest).reset(opadState);
-            digest.update(outputBuf, blockLength, digest.getDigestSize());
-        }
-        else
-        {
-            digest.update(outputBuf, 0, outputBuf.length);
-        }
-
-        int len = digest.doFinal(out, outOff);
-
-        for (int i = blockLength; i < outputBuf.length; i++)
-        {
-            outputBuf[i] = 0;
-        }
-
-        if (ipadState != null)
-        {
-            ((Memoable)digest).reset(ipadState);
-        }
-        else
-        {
-            digest.update(inputPad, 0, inputPad.length);
-        }
-
-        return len;
-    }
-
-    /**
-     * Reset the mac generator.
-     */
-    public void reset()
-    {
-        /*
-         * reset the underlying digest.
-         */
-        digest.reset();
-
-        /*
-         * reinitialize the digest.
-         */
-        digest.update(inputPad, 0, inputPad.length);
-    }
-
-    private static void xorPad(byte[] pad, int len, byte n)
-    {
-        for (int i = 0; i < len; ++i)
-        {
-            pad[i] ^= n;
-        }
-    }
-}