xref: /dragonfly/sys/crypto/sha1.h (revision 9bb2a92d)
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_*/
74