ping6.tproj/md5.h

   1 /*      $KAME: md5.h,v 1.1 2000/05/27 06:18:21 itojun Exp $     */
   2
   3 /*
   4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #ifndef _NETINET6_MD5_H_
  33 #define _NETINET6_MD5_H_
  34
  35 #define MD5_BUFLEN      64
  36
  37 typedef struct {
  38         union {
  39                 u_int32_t       md5_state32[4];
  40                 u_int8_t        md5_state8[16];
  41         } md5_st;
  42
  43 #define md5_sta         md5_st.md5_state32[0]
  44 #define md5_stb         md5_st.md5_state32[1]
  45 #define md5_stc         md5_st.md5_state32[2]
  46 #define md5_std         md5_st.md5_state32[3]
  47 #define md5_st8         md5_st.md5_state8
  48
  49         union {
  50                 u_int64_t       md5_count64;
  51                 u_int8_t        md5_count8[8];
  52         } md5_count;
  53 #define md5_n   md5_count.md5_count64
  54 #define md5_n8  md5_count.md5_count8
  55
  56         u_int   md5_i;
  57         u_int8_t        md5_buf[MD5_BUFLEN];
  58 } md5_ctxt;
  59
  60 extern void md5_init __P((md5_ctxt *));
  61 extern void md5_loop __P((md5_ctxt *, u_int8_t *, u_int));
  62 extern void md5_pad __P((md5_ctxt *));
  63 extern void md5_result __P((u_int8_t *, md5_ctxt *));
  64
  65 /* compatibility */
  66 #define MD5_CTX         md5_ctxt
  67 #define MD5Init(x)      md5_init((x))
  68 #define MD5Update(x, y, z)      md5_loop((x), (y), (z))
  69 #define MD5Final(x, y) \
  70 do {                            \
  71         md5_pad((y));           \
  72         md5_result((x), (y));   \
  73 } while (0)
  74
  75 #endif /* ! _NETINET6_MD5_H_*/