--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/com/trilead/ssh2/crypto/cipher/DESede.java	Thu May 22 10:41:19 2014 -0700
@@ -0,0 +1,94 @@
+
+package com.trilead.ssh2.crypto.cipher;
+
+/*
+ This file was shamelessly taken (and modified) from the Bouncy Castle Crypto package.
+ Their licence file states the following:
+
+ Copyright (c) 2000 - 2004 The Legion Of The Bouncy Castle
+ (http://www.bouncycastle.org)
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+ */
+
+/**
+ * DESede.
+ *
+ * @author See comments in the source file
+ * @version $Id: DESede.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
+ *
+ */
+public class DESede extends DES {
+    private int[] key1 = null;
+    private int[] key2 = null;
+    private int[] key3 = null;
+
+    private boolean encrypt;
+
+    /**
+     * standard constructor.
+     */
+    public DESede() {
+    }
+
+    /**
+     * initialise a DES cipher.
+     *
+     * @param encrypting
+     *            whether or not we are for encryption.
+     * @param key
+     *            the parameters required to set up the cipher.
+     * @exception IllegalArgumentException
+     *                if the params argument is inappropriate.
+     */
+    public void init(boolean encrypting, byte[] key) {
+        key1 = generateWorkingKey(encrypting, key, 0);
+        key2 = generateWorkingKey(!encrypting, key, 8);
+        key3 = generateWorkingKey(encrypting, key, 16);
+        encrypt = encrypting;
+    }
+
+    public String getAlgorithmName() {
+        return "DESede";
+    }
+
+    public int getBlockSize() {
+        return 8;
+    }
+
+    public void transformBlock(byte[] in, int inOff, byte[] out, int outOff) {
+        if (key1 == null) {
+            throw new IllegalStateException("DESede engine not initialised!");
+        }
+
+        if (encrypt) {
+            desFunc(key1, in, inOff, out, outOff);
+            desFunc(key2, out, outOff, out, outOff);
+            desFunc(key3, out, outOff, out, outOff);
+        }
+        else {
+            desFunc(key3, in, inOff, out, outOff);
+            desFunc(key2, out, outOff, out, outOff);
+            desFunc(key1, out, outOff, out, outOff);
+        }
+    }
+
+    public void reset() {
+    }
+}