sys/crypto/sha1.h

   1 /*      $FreeBSD: src/sys/crypto/sha1.h,v 1.3.2.3 2000/10/12 18:59:31 archie Exp $      */
   2 /*      $DragonFly: src/sys/crypto/sha1.h,v 1.3 2003/08/27 10:59:04 rob Exp $   */
   3 /*      $KAME: sha1.h,v 1.5 2000/03/27 04:36:23 sumikawa Exp $  */
   4
   5 /*
   6  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. Neither the name of the project nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33 /*
  34  * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
  35  * based on: http://csrc.nist.gov/fips/fip180-1.txt
  36  * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
  37  */
  38
  39 #ifndef _NETINET6_SHA1_H_
  40 #define _NETINET6_SHA1_H_
  41
  42 struct sha1_ctxt {
  43         union {
  44                 u_int8_t        b8[20];
  45                 u_int32_t       b32[5];
  46         } h;
  47         union {
  48                 u_int8_t        b8[8];
  49                 u_int64_t       b64[1];
  50         } c;
  51         union {
  52                 u_int8_t        b8[64];
  53                 u_int32_t       b32[16];
  54         } m;
  55         u_int8_t        count;
  56 };
  57
  58 #ifdef _KERNEL
  59 extern void sha1_init (struct sha1_ctxt *);
  60 extern void sha1_pad (struct sha1_ctxt *);
  61 extern void sha1_loop (struct sha1_ctxt *, const u_int8_t *, size_t);
  62 extern void sha1_result (struct sha1_ctxt *, caddr_t);
  63
  64 /* compatibilty with other SHA1 source codes */
  65 typedef struct sha1_ctxt SHA1_CTX;
  66 #define SHA1Init(x)             sha1_init((x))
  67 #define SHA1Update(x, y, z)     sha1_loop((x), (y), (z))
  68 #define SHA1Final(x, y)         sha1_result((y), (x))
  69 #endif /* _KERNEL */
  70
  71 #define SHA1_RESULTLEN  (160/8)
  72
  73 #endif /*_NETINET6_SHA1_H_*/