md5.h

/*
 *	This is the C++ implementation of the MD5 Message-Digest
 *	Algorithm desrcipted in RFC 1321.
 *	I translated the C code from this RFC to C++.
 *	There is now warranty.
 *
 *	Feb. 12. 2005
 *	Benjamin Grüdelbach
 */

 /*
  * 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.
  */

  //----------------------------------------------------------------------
  //include protection
#ifndef MD5_H
#define MD5_H

//----------------------------------------------------------------------
//STL includes
#include <string>

//----------------------------------------------------------------------
//typedefs
typedef unsigned char* POINTER;

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

/*
 * MD5 class
 */
class MD5
{
private:

	void MD5Transform(unsigned long int state[4], unsigned char block[64]);
	void Encode(unsigned char*, unsigned long int*, unsigned int);
	void Decode(unsigned long int*, unsigned char*, unsigned int);
	void MD5_memcpy(POINTER, POINTER, unsigned int);
	void MD5_memset(POINTER, int, unsigned int);

public:

	void MD5Init(MD5_CTX*);
	void MD5Update(MD5_CTX*, unsigned char*, unsigned int);
	void MD5Final(unsigned char[16], MD5_CTX*);

	MD5() {};
};

//----------------------------------------------------------------------
//End of include protection
#endif

/*
 * EOF
 */