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	_SHA2_IMPL_H
27#define	_SHA2_IMPL_H
28
29#include <sys/sha2.h>
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35typedef enum {
36	SHA1_TYPE,
37	SHA256_TYPE,
38	SHA384_TYPE,
39	SHA512_TYPE
40} sha2_mech_t;
41
42/*
43 * Context for SHA2 mechanism.
44 */
45typedef struct sha2_ctx {
46	sha2_mech_type_t	sc_mech_type;	/* type of context */
47	SHA2_CTX		sc_sha2_ctx;	/* SHA2 context */
48} sha2_ctx_t;
49
50/*
51 * Context for SHA2 HMAC and HMAC GENERAL mechanisms.
52 */
53typedef struct sha2_hmac_ctx {
54	sha2_mech_type_t	hc_mech_type;	/* type of context */
55	uint32_t		hc_digest_len;	/* digest len in bytes */
56	SHA2_CTX		hc_icontext;	/* inner SHA2 context */
57	SHA2_CTX		hc_ocontext;	/* outer SHA2 context */
58} sha2_hmac_ctx_t;
59
60#ifdef	__cplusplus
61}
62#endif
63
64#endif /* _SHA2_IMPL_H */
65