sys/crypto/sha1.h

   1 /*      $FreeBSD: src/sys/crypto/sha1.h,v 1.8 2002/03/20 05:13:50 alfred Exp $  */
   2 /*      $KAME: sha1.h,v 1.5 2000/03/27 04:36:23 sumikawa Exp $  */
   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  * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
  34  * based on: http://csrc.nist.gov/fips/fip180-1.txt
  35  * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
  36  */
  37
  38 #ifndef _NETINET6_SHA1_H_
  39 #define _NETINET6_SHA1_H_
  40
  41 struct sha1_ctxt {
  42         union {
  43                 u_int8_t        b8[20];
  44                 u_int32_t       b32[5];
  45         } h;
  46         union {
  47                 u_int8_t        b8[8];
  48                 u_int64_t       b64[1];
  49         } c;
  50         union {
  51                 u_int8_t        b8[64];
  52                 u_int32_t       b32[16];
  53         } m;
  54         u_int8_t        count;
  55 };
  56
  57 #ifdef _KERNEL
  58 extern void sha1_init(struct sha1_ctxt *);
  59 extern void sha1_pad(struct sha1_ctxt *);
  60 extern void sha1_loop(struct sha1_ctxt *, const u_int8_t *, size_t);
  61 extern void sha1_result(struct sha1_ctxt *, caddr_t);
  62
  63 /* compatibilty with other SHA1 source codes */
  64 typedef struct sha1_ctxt SHA1_CTX;
  65 #define SHA1Init(x)             sha1_init((x))
  66 #define SHA1Update(x, y, z)     sha1_loop((x), (y), (z))
  67 #define SHA1Final(x, y)         sha1_result((y), (x))
  68 #endif /* _KERNEL */
  69
  70 #define SHA1_RESULTLEN  (160/8)
  71
  72 #endif /*_NETINET6_SHA1_H_*/