package com.twmacinta.util;/** * Fast implementation of RSA's MD5 hash generator in Java JDK Beta-2 or higher<br> * Originally written by Santeri Paavolainen, Helsinki Finland 1996 <br> * (c) Santeri Paavolainen, Helsinki Finland 1996 <br> * Some changes Copyright (c) 2002 Timothy W Macinta <br> * <p> * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * <p> * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Library General Public License for more details. * <p> * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * <p> * See http://www.twmacinta.com/myjava/fast_md5.php for more information * on this file. * <p> * Contains internal state of the MD5 class * <p> * Please note: I (Timothy Macinta) have put this code in the * com.twmacinta.util package only because it came without a package.  I * was not the the original author of the code, although I did * optimize it (substantially) and fix some bugs. * * @author	Santeri Paavolainen <sjpaavol@cc.helsinki.fi> * @author	Timothy W Macinta (twm@alum.mit.edu) (optimizations and bug fixes) **/class MD5State {  /**   * 128-bit state    */  int	state[];    /**   * 64-bit character count   */  long count;    /**   * 64-byte buffer (512 bits) for storing to-be-hashed characters   */  byte	buffer[];  public MD5State() {    buffer = new byte[64];    count = 0;    state = new int[4];        state[0] = 0x67452301;    state[1] = 0xefcdab89;    state[2] = 0x98badcfe;    state[3] = 0x10325476;  }  /** Create this State as a copy of another state */  public MD5State (MD5State from) {    this();        int i;        for (i = 0; i < buffer.length; i++)      this.buffer[i] = from.buffer[i];        for (i = 0; i < state.length; i++)      this.state[i] = from.state[i];        this.count = from.count;  }};