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#ifdef __cplusplus
30extern "C" {
31#endif
32
33#include <fips/fips_post.h>
34
35typedef enum {
36	SHA1_TYPE,
37	SHA256_TYPE,
38	SHA384_TYPE,
39	SHA512_TYPE
40} sha2_mech_t;
41
42#ifdef _KERNEL
43
44/*
45 * Context for SHA2 mechanism.
46 */
47typedef struct sha2_ctx {
48	sha2_mech_type_t	sc_mech_type;	/* type of context */
49	SHA2_CTX		sc_sha2_ctx;	/* SHA2 context */
50} sha2_ctx_t;
51
52/*
53 * Context for SHA2 HMAC and HMAC GENERAL mechanisms.
54 */
55typedef struct sha2_hmac_ctx {
56	sha2_mech_type_t	hc_mech_type;	/* type of context */
57	uint32_t		hc_digest_len;	/* digest len in bytes */
58	SHA2_CTX		hc_icontext;	/* inner SHA2 context */
59	SHA2_CTX		hc_ocontext;	/* outer SHA2 context */
60} sha2_hmac_ctx_t;
61
62#endif
63
64extern int fips_sha2_post(void);
65extern int fips_sha2_hash(SHA2_CTX *, uchar_t *, ulong_t, uchar_t *);
66
67#ifndef _KERNEL
68/* SHA2 funtions */
69extern SHA2_CTX *fips_sha2_build_context(CK_MECHANISM_TYPE);
70
71/* SHA2 HMAC functions */
72extern soft_hmac_ctx_t *fips_sha2_hmac_build_context(CK_MECHANISM_TYPE,
73	uint8_t *, unsigned int);
74extern CK_RV fips_hmac_sha2_hash(unsigned char *, uint8_t *,
75	unsigned int, uint8_t *, unsigned int, CK_MECHANISM_TYPE);
76#else
77
78extern SHA2_CTX *fips_sha2_build_context(sha2_mech_t);
79extern sha2_hmac_ctx_t *fips_sha2_hmac_build_context(sha2_mech_t,
80	uint8_t *, unsigned int);
81extern void fips_hmac_sha2_hash(sha2_hmac_ctx_t *, uint8_t *, uint32_t,
82	uint8_t *, sha2_mech_t);
83#endif
84
85#ifdef	__cplusplus
86}
87#endif
88
89#endif /* _SHA2_IMPL_H */
90