sha1.h revision 3825:3d0d37b7e5af 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef _SYS_SHA1_H
27#define	_SYS_SHA1_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#include <sys/types.h>		/* for uint_* */
32
33#ifdef	__cplusplus
34extern "C" {
35#endif
36
37/*
38 * NOTE: n2rng (Niagara2 RNG driver) accesses the state field of
39 * SHA1_CTX directly.  NEVER change this structure without verifying
40 * compatiblity with n2rng.  The important thing is that the state
41 * must be in a field declared as uint32_t state[5].
42 */
43/* SHA-1 context. */
44typedef struct 	{
45	uint32_t state[5];	/* state (ABCDE) */
46	uint32_t count[2];	/* number of bits, modulo 2^64 (msb first) */
47	union 	{
48		uint8_t		buf8[64];	/* undigested input */
49		uint32_t	buf32[16];	/* realigned input */
50	} buf_un;
51} SHA1_CTX;
52
53#define	SHA1_DIGEST_LENGTH 20
54
55void SHA1Init(SHA1_CTX *);
56void SHA1Update(SHA1_CTX *, const void *, size_t);
57void SHA1Final(void *, SHA1_CTX *);
58
59#ifdef	__cplusplus
60}
61#endif
62
63#endif /* _SYS_SHA1_H */
64