1/*
2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
3 * Please refer to the LICENSE.txt for licensing details.
4 */
5package ch.ethz.ssh2.crypto.cipher;
6
7/**
8 * NullCipher.
9 *
10 * @author Christian Plattner
11 * @version 2.50, 03/15/10
12 */
13public class NullCipher implements BlockCipher
14{
15	private int blockSize = 8;
16
17	public NullCipher()
18	{
19	}
20
21	public NullCipher(int blockSize)
22	{
23		this.blockSize = blockSize;
24	}
25
26	public void init(boolean forEncryption, byte[] key)
27	{
28	}
29
30	public int getBlockSize()
31	{
32		return blockSize;
33	}
34
35	public void transformBlock(byte[] src, int srcoff, byte[] dst, int dstoff)
36	{
37		System.arraycopy(src, srcoff, dst, dstoff, blockSize);
38	}
39}
40