content: 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;
      }
  }
  