--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ch/ethz/ssh2/crypto/cipher/NullCipher.java	Fri Jul 18 11:21:46 2014 -0700
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
+ * Please refer to the LICENSE.txt for licensing details.
+ */
+package ch.ethz.ssh2.crypto.cipher;
+
+/**
+ * NullCipher.
+ * 
+ * @author Christian Plattner
+ * @version 2.50, 03/15/10
+ */
+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)
+	{
+	}
+
+	public int getBlockSize()
+	{
+		return blockSize;
+	}
+
+	public void transformBlock(byte[] src, int srcoff, byte[] dst, int dstoff)
+	{
+		System.arraycopy(src, srcoff, dst, dstoff, blockSize);
+	}
+}