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