include/md5.h

   1 /*
   2  * MD5 implementation based on RFC1321.
   3  *
   4  * Copyright (c) 2008 Marko Kreen, Skype Technologies OÜ
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #ifndef __MD5_H__
  20 #define __MD5_H__
  21
  22 #define MD5_BLOCK_LENGTH        64
  23 #define MD5_DIGEST_LENGTH       16
  24
  25 struct md5_ctx {
  26         uint64_t nbytes;
  27         uint32_t a, b, c, d;
  28         uint32_t buf[16];
  29 };
  30
  31 void md5_reset(struct md5_ctx *ctx);
  32 void md5_update(struct md5_ctx *ctx, const void *data, unsigned int len);
  33 void md5_final(uint8_t *dst, struct md5_ctx *ctx);
  34
  35 #ifndef AVOID_MD5_COMPAT
  36 typedef struct md5_ctx MD5_CTX;
  37 #define MD5_Init(c) md5_reset(c)
  38 #define MD5_Update(c, d, l) md5_update(c, d, l)
  39 #define MD5_Final(d, c) md5_final(d, c)
  40 #endif
  41
  42 #endif
  43