md5.h

   1 /*
   2  * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16 /*
  17  * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
  18  * MD5 Message-Digest Algorithm (RFC 1321).
  19  *
  20  * Homepage:
  21  * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5
  22  *
  23  * Author:
  24  * Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
  25  *
  26  * This software was written by Alexander Peslyak in 2001.  No copyright is
  27  * claimed, and the software is hereby placed in the public domain.
  28  * In case this attempt to disclaim copyright and place the software in the
  29  * public domain is deemed null and void, then the software is
  30  * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
  31  * general public under the following terms:
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted.
  35  *
  36  * There's ABSOLUTELY NO WARRANTY, express or implied.
  37  *
  38  * See md5.c for more information.
  39  */
  40
  41 #ifndef _LIBUBOX_MD5_H
  42 #define _LIBUBOX_MD5_H
  43
  44 #include <stdint.h>
  45 #include <stddef.h>
  46
  47 typedef struct md5_ctx {
  48         uint32_t lo, hi;
  49         uint32_t a, b, c, d;
  50         unsigned char buffer[64];
  51 } md5_ctx_t;
  52
  53 extern void md5_begin(md5_ctx_t *ctx);
  54 extern void md5_hash(const void *data, size_t length, md5_ctx_t *ctx);
  55 extern void md5_end(void *resbuf, md5_ctx_t *ctx);
  56 int md5sum(const char *file, void *md5_buf);
  57
  58 #endif