sys/crypto/md5.h

   1 /*      $FreeBSD: src/sys/crypto/md5.h,v 1.1.2.1 2000/07/15 07:14:18 kris Exp $ */
   2 /*      $DragonFly: src/sys/crypto/md5.h,v 1.3 2003/08/27 10:59:04 rob Exp $    */
   3 /*      $KAME: md5.h,v 1.4 2000/03/27 04:36:22 sumikawa Exp $   */
   4
   5 /*
   6  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. Neither the name of the project nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef _NETINET6_MD5_H_
  35 #define _NETINET6_MD5_H_
  36
  37 #define MD5_BUFLEN      64
  38
  39 typedef struct {
  40         union {
  41                 u_int32_t       md5_state32[4];
  42                 u_int8_t        md5_state8[16];
  43         } md5_st;
  44
  45 #define md5_sta         md5_st.md5_state32[0]
  46 #define md5_stb         md5_st.md5_state32[1]
  47 #define md5_stc         md5_st.md5_state32[2]
  48 #define md5_std         md5_st.md5_state32[3]
  49 #define md5_st8         md5_st.md5_state8
  50
  51         union {
  52                 u_int64_t       md5_count64;
  53                 u_int8_t        md5_count8[8];
  54         } md5_count;
  55 #define md5_n   md5_count.md5_count64
  56 #define md5_n8  md5_count.md5_count8
  57
  58         u_int   md5_i;
  59         u_int8_t        md5_buf[MD5_BUFLEN];
  60 } md5_ctxt;
  61
  62 extern void md5_init (md5_ctxt *);
  63 extern void md5_loop (md5_ctxt *, u_int8_t *, u_int);
  64 extern void md5_pad (md5_ctxt *);
  65 extern void md5_result (u_int8_t *, md5_ctxt *);
  66
  67 /* compatibility */
  68 #define MD5_CTX         md5_ctxt
  69 #define MD5Init(x)      md5_init((x))
  70 #define MD5Update(x, y, z)      md5_loop((x), (y), (z))
  71 #define MD5Final(x, y) \
  72 do {                            \
  73         md5_pad((y));           \
  74         md5_result((x), (y));   \
  75 } while (0)
  76
  77 #endif /* ! _NETINET6_MD5_H_*/