1  /*
       2   * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
       3   * MD5 Message-Digest Algorithm (RFC 1321).
       4   *
       5   * Homepage:
       6   * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5
       7   *
       8   * Author:
       9   * Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
      10   *
      11   * This software was written by Alexander Peslyak in 2001.  No copyright is
      12   * claimed, and the software is hereby placed in the public domain.
      13   * In case this attempt to disclaim copyright and place the software in the
      14   * public domain is deemed null and void, then the software is
      15   * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
      16   * general public under the following terms:
      17   *
      18   * Redistribution and use in source and binary forms, with or without
      19   * modification, are permitted.
      20   *
      21   * There's ABSOLUTELY NO WARRANTY, express or implied.
      22   *
      23   * See md5.c for more information.
      24   */
      25  
      26  #ifdef HAVE_OPENSSL
      27  #include <openssl/md5.h>
      28  #elif !defined(_MD5_H)
      29  #define _MD5_H
      30  
      31  /* Any 32-bit or wider unsigned integer data type will do */
      32  typedef unsigned int MD5_u32plus;
      33  
      34  typedef struct {
      35  	MD5_u32plus lo, hi;
      36  	MD5_u32plus a, b, c, d;
      37  	unsigned char buffer[64];
      38  	MD5_u32plus block[16];
      39  } MD5_CTX;
      40  
      41  extern void MD5_Init(MD5_CTX *ctx);
      42  extern void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size);
      43  extern void MD5_Final(unsigned char *result, MD5_CTX *ctx);
      44  
      45  #endif