connectbot/sshlib

package com.trilead.ssh2.crypto.cipher;

/**
 * NullCipher.
 *
 * @author Christian Plattner, plattner@trilead.com
 * @version $Id: NullCipher.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
 */
public class NullCipher implements BlockCipher
{
    private int blockSize = 8;

    public NullCipher()
    {
    }

    public NullCipher(int blockSize)
    {
        this.blockSize = blockSize;
    }

    public void init(boolean forEncryption, byte[] key, byte[] iv)
    {
    }

    public int getBlockSize()
    {
        return blockSize;
    }

    public void transformBlock(byte[] src, int srcoff, byte[] dst, int dstoff)
    {
        System.arraycopy(src, srcoff, dst, dstoff, blockSize);
    }
}