md5.h

// this is part of tacppd project
// (c) Copyright in 2000-2004 by tacppd team and contributors
// see http://tacppd.org for more information

//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

/*
   Copyright (c) 1995-1998 by Cisco systems, Inc.

   Permission to use, copy, modify, and distribute this software for
   any purpose and without fee is hereby granted, provided that this
   copyright and permission notice appear on all copies of the
   software and supporting documentation, the name of Cisco Systems,
   Inc. not be used in advertising or publicity pertaining to
   distribution of the program without specific prior permission, and
   notice be given in supporting documentation that modification,
   copying and distribution is by permission of Cisco Systems, Inc.

   Cisco Systems, Inc. makes no representations about the suitability
   of this software for any purpose.  THIS SOFTWARE IS PROVIDED ``AS
   IS'' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
   WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS FOR A PARTICULAR PURPOSE.
*/

/*
 * MD5.H - header file for MD5C.C
 */

/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
 * rights reserved.
 *
 * License to copy and use this software is granted provided that it
 * is identified as the "RSA Data Security, Inc. MD5 Message-Digest
 * Algorithm" in all material mentioning or referencing this software
 * or this function.
 *
 * License is also granted to make and use derivative works provided
 * that such works are identified as "derived from the RSA Data
 * Security, Inc. MD5 Message-Digest Algorithm" in all material
 * mentioning or referencing the derived work.
 *
 * RSA Data Security, Inc. makes no representations concerning either
 * the merchantability of this software or the suitability of this
 * software for any particular purpose. It is provided "as is"
 * without express or implied warranty of any kind.
 *
 * These notices must be retained in any copies of any part of this
 * documentation and/or software.
 */

// Some changes to use with C++ compiler in tacacs++ project
// added by Roman Volkov

#ifndef __MD5_H__
#define __MD5_H__

#define MD5_LEN       16
//#include <string.h>

namespace tacpp {

// typedef a 32-bit type
typedef unsigned long int UINT4;

// typedef a generic pointer type
typedef unsigned char *POINTER;

// MD5 context.
typedef struct {
  UINT4 state[4]; // state (ABCD)
  UINT4 count[2]; // number of bits, modulo 2^64 (lsb first)
  unsigned char buffer[64]; // input buffer
} MD5_CTX;

// md5 functions
class md5 {
  pthread_mutex_t mutex_;
  void lock();
  void unlock();
 public:
  md5();
  ~md5();
  void MD5Init(MD5_CTX*);
  void MD5Update
    (MD5_CTX *, unsigned char *, unsigned int);
  void MD5Final
    (unsigned char [16], MD5_CTX *);
  void MD5_memset(POINTER,int,unsigned int);
  void MD5_memcpy(POINTER,POINTER,unsigned int);
  void Decode(UINT4*,unsigned char*,unsigned int);
  void Encode(unsigned char*,UINT4*,unsigned int);
  void MD5Transform (UINT4 state[4],unsigned char block[64]);

  //void create_md5_hash(unsigned char*,unsigned char*,unsigned char*);
  //void md5_xor(unsigned char*,unsigned char*);
};

};

#endif //__MD5_H__

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