--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/com/trilead/ssh2/crypto/cipher/NullCipher.java	Thu May 22 10:41:19 2014 -0700
@@ -0,0 +1,29 @@
+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) {
+    }
+
+    public int getBlockSize() {
+        return blockSize;
+    }
+
+    public void transformBlock(byte[] src, int srcoff, byte[] dst, int dstoff) {
+        System.arraycopy(src, srcoff, dst, dstoff, blockSize);
+    }
+}