xref: /titanic_41/usr/src/common/crypto/sha1/sha1_impl.h (revision 430b4c467020edf2445feb0c21db01c88b86243a)
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
31 extern "C" {
32 #endif
33 
34 #ifdef _KERNEL
35 #define	SHA1_HASH_SIZE		20	/* SHA_1 digest length in bytes */
36 #define	SHA1_DIGEST_LENGTH	20	/* SHA1 digest length in bytes */
37 #define	SHA1_HMAC_BLOCK_SIZE	64	/* SHA1-HMAC block size */
38 #define	SHA1_HMAC_MIN_KEY_LEN	1	/* SHA1-HMAC min key length in bytes */
39 #define	SHA1_HMAC_MAX_KEY_LEN	INT_MAX /* SHA1-HMAC max key length in bytes */
40 #define	SHA1_HMAC_INTS_PER_BLOCK	(SHA1_HMAC_BLOCK_SIZE/sizeof (uint32_t))
41 
42 /*
43  * CSPI information (entry points, provider info, etc.)
44  */
45 typedef enum sha1_mech_type {
46 	SHA1_MECH_INFO_TYPE,		/* SUN_CKM_SHA1 */
47 	SHA1_HMAC_MECH_INFO_TYPE,	/* SUN_CKM_SHA1_HMAC */
48 	SHA1_HMAC_GEN_MECH_INFO_TYPE	/* SUN_CKM_SHA1_HMAC_GENERAL */
49 } sha1_mech_type_t;
50 
51 /*
52  * Context for SHA1 mechanism.
53  */
54 typedef struct sha1_ctx {
55 	sha1_mech_type_t	sc_mech_type;	/* type of context */
56 	SHA1_CTX		sc_sha1_ctx;	/* SHA1 context */
57 } sha1_ctx_t;
58 
59 /*
60  * Context for SHA1-HMAC and SHA1-HMAC-GENERAL mechanisms.
61  */
62 typedef struct sha1_hmac_ctx {
63 	sha1_mech_type_t	hc_mech_type;	/* type of context */
64 	uint32_t		hc_digest_len;	/* digest len in bytes */
65 	SHA1_CTX		hc_icontext;	/* inner SHA1 context */
66 	SHA1_CTX		hc_ocontext;	/* outer SHA1 context */
67 } sha1_hmac_ctx_t;
68 
69 #endif
70 
71 #ifdef	__cplusplus
72 }
73 #endif
74 
75 #endif /* _SHA1_IMPL_H */
76