sha1.h revision 59107 
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 * $FreeBSD: head/sys/crypto/sha1.h 59107 2000-04-09 20:10:55Z archie $
30 */
31/*
32 * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
33 * based on: http://csrc.nist.gov/fips/fip180-1.txt
34 * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
35 */
36
37#ifndef _NETINET6_SHA1_H_
38#define	_NETINET6_SHA1_H_
39
40struct sha1_ctxt {
41	union {
42		u_int8_t	b8[20];
43		u_int32_t	b32[5];
44	} h;
45	union {
46		u_int8_t	b8[8];
47		u_int64_t	b64[1];
48	} c;
49	union {
50		u_int8_t	b8[64];
51		u_int32_t	b32[16];
52	} m;
53	u_int8_t	count;
54};
55
56#ifdef _KERNEL
57extern void sha1_init __P((struct sha1_ctxt *));
58extern void sha1_pad __P((struct sha1_ctxt *));
59extern void sha1_loop __P((struct sha1_ctxt *, const u_char *, size_t));
60extern void sha1_result __P((struct sha1_ctxt *, caddr_t));
61
62/* compatibilty with other SHA1 source codes */
63typedef struct sha1_ctxt SHA1_CTX;
64#define	SHA1Init(x)		sha1_init((x))
65#define	SHA1Update(x, y, z)	sha1_loop((x), (y), (z))
66#define	SHA1Final(x, y)		sha1_result((y), (x))
67#endif
68
69#define	SHA1_RESULTLEN	(160/8)
70
71#endif /*_NETINET6_SHA1_H_*/
72