diff options
Diffstat (limited to 'lib/src/main/java/com/trilead/ssh2/crypto/cipher/DESede.java')
-rw-r--r-- | lib/src/main/java/com/trilead/ssh2/crypto/cipher/DESede.java | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/lib/src/main/java/com/trilead/ssh2/crypto/cipher/DESede.java b/lib/src/main/java/com/trilead/ssh2/crypto/cipher/DESede.java deleted file mode 100644 index f47a636..0000000 --- a/lib/src/main/java/com/trilead/ssh2/crypto/cipher/DESede.java +++ /dev/null @@ -1,105 +0,0 @@ - -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() - { - } -} |