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 2009 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_SHA1_IMPL_H
27#define	_SHA1_IMPL_H
28
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
34#define	SHA1_HASH_SIZE		20	/* SHA_1 digest length in bytes */
35#define	SHA1_DIGEST_LENGTH	20	/* SHA1 digest length in bytes */
36#define	SHA1_HMAC_BLOCK_SIZE	64	/* SHA1-HMAC block size */
37#define	SHA1_HMAC_MIN_KEY_LEN	1	/* SHA1-HMAC min key length in bytes */
38#define	SHA1_HMAC_MAX_KEY_LEN	INT_MAX /* SHA1-HMAC max key length in bytes */
39#define	SHA1_HMAC_INTS_PER_BLOCK	(SHA1_HMAC_BLOCK_SIZE/sizeof (uint32_t))
40
41/*
42 * CSPI information (entry points, provider info, etc.)
43 */
44typedef enum sha1_mech_type {
45	SHA1_MECH_INFO_TYPE,		/* SUN_CKM_SHA1 */
46	SHA1_HMAC_MECH_INFO_TYPE,	/* SUN_CKM_SHA1_HMAC */
47	SHA1_HMAC_GEN_MECH_INFO_TYPE	/* SUN_CKM_SHA1_HMAC_GENERAL */
48} sha1_mech_type_t;
49
50/*
51 * Context for SHA1 mechanism.
52 */
53typedef struct sha1_ctx {
54	sha1_mech_type_t	sc_mech_type;	/* type of context */
55	SHA1_CTX		sc_sha1_ctx;	/* SHA1 context */
56} sha1_ctx_t;
57
58/*
59 * Context for SHA1-HMAC and SHA1-HMAC-GENERAL mechanisms.
60 */
61typedef struct sha1_hmac_ctx {
62	sha1_mech_type_t	hc_mech_type;	/* type of context */
63	uint32_t		hc_digest_len;	/* digest len in bytes */
64	SHA1_CTX		hc_icontext;	/* inner SHA1 context */
65	SHA1_CTX		hc_ocontext;	/* outer SHA1 context */
66} sha1_hmac_ctx_t;
67
68
69#ifdef	__cplusplus
70}
71#endif
72
73#endif /* _SHA1_IMPL_H */
74