X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fbouncycastle%2Fcrypto%2FStreamBlockCipher.java;fp=src%2Forg%2Fbouncycastle%2Fcrypto%2FStreamBlockCipher.java;h=0000000000000000000000000000000000000000;hb=4daeeb4119b901d53b44913c86f8af3ce67db925;hp=bea3b6a80ae465f780edb43ecf1665dcbc924ce8;hpb=da1f843588c8bd2b2c7cc74a5b4ffff8d57ab712;p=org.ibex.core.git

diff --git a/src/org/bouncycastle/crypto/StreamBlockCipher.java b/src/org/bouncycastle/crypto/StreamBlockCipher.java
deleted file mode 100644
index bea3b6a..0000000
--- a/src/org/bouncycastle/crypto/StreamBlockCipher.java
+++ /dev/null
@@ -1,108 +0,0 @@
-package org.bouncycastle.crypto;
-
-/**
- * a wrapper for block ciphers with a single byte block size, so that they
- * can be treated like stream ciphers.
- */
-public class StreamBlockCipher
-    implements StreamCipher
-{
-    private BlockCipher  cipher;
-
-    private byte[]  oneByte = new byte[1];
-
-    /**
-     * basic constructor.
-     *
-     * @param cipher the block cipher to be wrapped.
-     * @exception IllegalArgumentException if the cipher has a block size other than
-     * one.
-     */
-    public StreamBlockCipher(
-        BlockCipher cipher)
-    {
-        if (cipher.getBlockSize() != 1)
-        {
-            throw new IllegalArgumentException("block cipher block size != 1.");
-        }
-
-        this.cipher = cipher;
-    }
-
-    /**
-     * initialise the underlying cipher.
-     *
-     * @param forEncryption true if we are setting up for encryption, false otherwise.
-     * @param param the necessary parameters for the underlying cipher to be initialised.
-     */
-    public void init(
-        boolean forEncryption,
-        CipherParameters params)
-    {
-        cipher.init(forEncryption, params);
-    }
-
-    /**
-     * return the name of the algorithm we are wrapping.
-     *
-     * @return the name of the algorithm we are wrapping.
-     */
-    public String getAlgorithmName()
-    {
-        return cipher.getAlgorithmName();
-    }
-
-    /**
-     * encrypt/decrypt a single byte returning the result.
-     *
-     * @param in the byte to be processed.
-     * @return the result of processing the input byte.
-     */
-    public byte returnByte(
-        byte    in)
-    {
-        oneByte[0] = in;
-
-        cipher.processBlock(oneByte, 0, oneByte, 0);
-
-        return oneByte[0];
-    }
-
-    /**
-     * process a block of bytes from in putting the result into out.
-     * 
-     * @param in the input byte array.
-     * @param inOff the offset into the in array where the data to be processed starts.
-     * @param len the number of bytes to be processed.
-     * @param out the output buffer the processed bytes go into.   
-     * @param outOff the offset into the output byte array the processed data stars at.
-     * @exception DataLengthException if the output buffer is too small.
-     */
-    public void processBytes(
-        byte[]  in,
-        int     inOff,
-        int     len,
-        byte[]  out,
-        int     outOff)
-        throws DataLengthException
-    {
-        if (outOff + len > out.length)
-        {
-            throw new DataLengthException("output buffer too small in processBytes()");
-        }
-
-        for (int i = 0; i != len; i++)
-        {
-                cipher.processBlock(in, inOff + i, out, outOff + i);
-        }
-    }
-
-    /**
-     * reset the underlying cipher. This leaves it in the same state
-     * it was at after the last init (if there was one).
-     */
-    public void reset()
-    {
-        cipher.reset();
-    }
-}