bsd/crypto/sha1.h

   1 /*
   2  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the project nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29 /*
  30  * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
  31  * based on: http://csrc.nist.gov/fips/fip180-1.txt
  32  * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
  33  */
  34
  35 #ifndef _NETINET6_SHA1_H_
  36 #define _NETINET6_SHA1_H_
  37
  38 struct sha1_ctxt {
  39         union {
  40                 u_int8_t        b8[20];
  41                 u_int32_t       b32[5];
  42         } h;
  43         union {
  44                 u_int8_t        b8[8];
  45                 u_int64_t       b64[1];
  46         } c;
  47         union {
  48                 u_int8_t        b8[64];
  49                 u_int32_t       b32[16];
  50         } m;
  51         u_int8_t        count;
  52 };
  53
  54 #if defined(KERNEL) || defined(_KERNEL)
  55 extern void sha1_init __P((struct sha1_ctxt *));
  56 extern void sha1_pad __P((struct sha1_ctxt *));
  57 extern void sha1_loop __P((struct sha1_ctxt *, const caddr_t, size_t));
  58 extern void sha1_result __P((struct sha1_ctxt *, caddr_t));
  59
  60 /* compatibilty with other SHA1 source codes */
  61 typedef struct sha1_ctxt SHA1_CTX;
  62 #define SHA1Init(x)             sha1_init((x))
  63 #define SHA1Update(x, y, z)     sha1_loop((x), (y), (z))
  64 #define SHA1Final(x, y)         sha1_result((y), (x))
  65 #endif
  66
  67 #define SHA1_RESULTLEN  (160/8)
  68
  69 #endif /*_NETINET6_SHA1_H_*/