md5.h

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/*
 *      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 Gr¨¹delbach
 */

/*
 * 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
 */