lib/md5.h

   1 /* $USAGI: md5.h,v 1.2 2000/11/02 11:59:25 yoshfuji Exp $ */
   2 /*      $KAME: md5.h,v 1.4 2000/03/27 04:36:22 sumikawa Exp $   */
   3 /*      $Id: md5.h,v 1.3 2006/01/17 17:40:45 paul Exp $ */
   4
   5 /*
   6  * Copyright (C) 2004 6WIND
   7  *                          <Vincent.Jardin@6WIND.com>
   8  * All rights reserved.
   9  *
  10  * This MD5 code is Big endian and Little Endian compatible.
  11  */
  12
  13 /*
  14  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
  15  * All rights reserved.
  16  *
  17  * Redistribution and use in source and binary forms, with or without
  18  * modification, are permitted provided that the following conditions
  19  * are met:
  20  * 1. Redistributions of source code must retain the above copyright
  21  *    notice, this list of conditions and the following disclaimer.
  22  * 2. Redistributions in binary form must reproduce the above copyright
  23  *    notice, this list of conditions and the following disclaimer in the
  24  *    documentation and/or other materials provided with the distribution.
  25  * 3. Neither the name of the project nor the names of its contributors
  26  *    may be used to endorse or promote products derived from this software
  27  *    without specific prior written permission.
  28  *
  29  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  39  * SUCH DAMAGE.
  40  */
  41
  42 #ifndef _LIBZEBRA_MD5_H_
  43 #define _LIBZEBRA_MD5_H_
  44
  45 #define MD5_BUFLEN      64
  46
  47 typedef struct {
  48         union {
  49                 uint32_t        md5_state32[4];
  50                 uint8_t md5_state8[16];
  51         } md5_st;
  52
  53 #define md5_sta         md5_st.md5_state32[0]
  54 #define md5_stb         md5_st.md5_state32[1]
  55 #define md5_stc         md5_st.md5_state32[2]
  56 #define md5_std         md5_st.md5_state32[3]
  57 #define md5_st8         md5_st.md5_state8
  58
  59         union {
  60                 uint64_t        md5_count64;
  61                 uint8_t md5_count8[8];
  62         } md5_count;
  63 #define md5_n   md5_count.md5_count64
  64 #define md5_n8  md5_count.md5_count8
  65
  66         uint    md5_i;
  67         uint8_t md5_buf[MD5_BUFLEN];
  68 } md5_ctxt;
  69
  70 extern void md5_init (md5_ctxt *);
  71 extern void md5_loop (md5_ctxt *, const void *, u_int);
  72 extern void md5_pad (md5_ctxt *);
  73 extern void md5_result (uint8_t *, md5_ctxt *);
  74
  75 /* compatibility */
  76 #define MD5_CTX         md5_ctxt
  77 #define MD5Init(x)      md5_init((x))
  78 #define MD5Update(x, y, z)      md5_loop((x), (y), (z))
  79 #define MD5Final(x, y) \
  80 do {                            \
  81         md5_pad((y));           \
  82         md5_result((x), (y));   \
  83 } while (0)
  84
  85 #endif /* ! _LIBZEBRA_MD5_H_*/