system/include/pedigree/kernel/utilities/md5/md5.h

/*
 * hashlib++ - a simple hash library for C++
 *
 * Copyright (c) 2007-2010 Benjamin Grüdelbach
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  1)     Redistributions of source code must retain the above copyright
 *         notice, this list of conditions and the following disclaimer.
 *
 *  2)     Redistributions in binary form must reproduce the above copyright
 *         notice, this list of conditions and the following disclaimer in
 *         the documentation and/or other materials provided with the
 *         distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

//----------------------------------------------------------------------

/*
 * The hashlib++ MD5 implementation is derivative from the sourcecode
 * published in RFC 1321
 *
 * 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

//----------------------------------------------------------------------
// typedefs
typedef void *POINTER;

//----------------------------------------------------------------------

class MD5
{
  private:
    void MD5Transform(unsigned long int state[4], unsigned char block[64]);

    void
    Encode(unsigned char *output, unsigned long int *input, unsigned int len);

    void
    Decode(unsigned long int *output, unsigned char *input, unsigned int len);

    void MD5_memcpy(POINTER output, POINTER input, unsigned int len);

    void MD5_memset(POINTER output, int value, unsigned int len);

    unsigned long int state[4];

    unsigned long int count[2];

    unsigned char buffer[64];

  public:
    void Reset();

    void Input(unsigned char *input, unsigned int inputLen);

    void Result(unsigned char digest[16]);

    MD5()
    {
        Reset();
    };
};

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

//----------------------------------------------------------------------
// EOF