xref: /titanic_44/usr/src/uts/common/sys/sha1.h (revision 2f1c59b18b4820d3f912c5465e37c28a93f9a5be)
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 2006 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
34 extern "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. */
44 typedef 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 void SHA1Init(SHA1_CTX *);
54 void SHA1Update(SHA1_CTX *, const void *, size_t);
55 void SHA1Final(void *, SHA1_CTX *);
56 
57 #ifdef	__cplusplus
58 }
59 #endif
60 
61 #endif /* _SYS_SHA1_H */
62