contrib/pgcrypto/md5.h

   1 /*      $PostgreSQL$ */
   2 /*         $KAME$          */
   3
   4 /*
   5  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *        notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *        notice, this list of conditions and the following disclaimer in the
  15  *        documentation and/or other materials provided with the distribution.
  16  * 3. Neither the name of the project nor the names of its contributors
  17  *        may be used to endorse or promote products derived from this software
  18  *        without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.      IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #ifndef _NETINET6_MD5_H_
  34 #define _NETINET6_MD5_H_
  35
  36 #define MD5_BUFLEN      64
  37
  38 typedef struct
  39 {
  40         union
  41         {
  42                 uint32          md5_state32[4];
  43                 uint8           md5_state8[16];
  44         }                       md5_st;
  45
  46 #define md5_sta         md5_st.md5_state32[0]
  47 #define md5_stb         md5_st.md5_state32[1]
  48 #define md5_stc         md5_st.md5_state32[2]
  49 #define md5_std         md5_st.md5_state32[3]
  50 #define md5_st8         md5_st.md5_state8
  51
  52         union
  53         {
  54                 uint64          md5_count64;
  55                 uint8           md5_count8[8];
  56         }                       md5_count;
  57 #define md5_n   md5_count.md5_count64
  58 #define md5_n8  md5_count.md5_count8
  59
  60         unsigned int md5_i;
  61         uint8           md5_buf[MD5_BUFLEN];
  62 } md5_ctxt;
  63
  64 extern void md5_init(md5_ctxt *);
  65 extern void md5_loop(md5_ctxt *, const uint8 *, unsigned int);
  66 extern void md5_pad(md5_ctxt *);
  67 extern void md5_result(uint8 *, md5_ctxt *);
  68
  69 /* compatibility */
  70 #define MD5_CTX         md5_ctxt
  71 #define MD5Init(x)      md5_init((x))
  72 #define MD5Update(x, y, z)      md5_loop((x), (y), (z))
  73 #define MD5Final(x, y) \
  74 do {                            \
  75         md5_pad((y));           \
  76         md5_result((x), (y));   \
  77 } while (0)
  78
  79 #endif   /* ! _NETINET6_MD5_H_ */