xref: /illumos-gate/usr/src/uts/common/sys/sha1.h (revision 238b2890)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5734b6a94Sdarrenm  * Common Development and Distribution License (the "License").
6734b6a94Sdarrenm  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
217c478bd9Sstevel@tonic-gate /*
229b37d296Swyllys  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
237c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
247c478bd9Sstevel@tonic-gate  */
257c478bd9Sstevel@tonic-gate 
267c478bd9Sstevel@tonic-gate #ifndef _SYS_SHA1_H
277c478bd9Sstevel@tonic-gate #define	_SYS_SHA1_H
287c478bd9Sstevel@tonic-gate 
297c478bd9Sstevel@tonic-gate #include <sys/types.h>		/* for uint_* */
307c478bd9Sstevel@tonic-gate 
317c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
327c478bd9Sstevel@tonic-gate extern "C" {
337c478bd9Sstevel@tonic-gate #endif
347c478bd9Sstevel@tonic-gate 
3544961713Sgirish /*
3644961713Sgirish  * NOTE: n2rng (Niagara2 RNG driver) accesses the state field of
3744961713Sgirish  * SHA1_CTX directly.  NEVER change this structure without verifying
3844961713Sgirish  * compatiblity with n2rng.  The important thing is that the state
3944961713Sgirish  * must be in a field declared as uint32_t state[5].
4044961713Sgirish  */
417c478bd9Sstevel@tonic-gate /* SHA-1 context. */
4203fe8edeSToomas Soome typedef struct {
437c478bd9Sstevel@tonic-gate 	uint32_t state[5];	/* state (ABCDE) */
447c478bd9Sstevel@tonic-gate 	uint32_t count[2];	/* number of bits, modulo 2^64 (msb first) */
4503fe8edeSToomas Soome 	union {
467c478bd9Sstevel@tonic-gate 		uint8_t		buf8[64];	/* undigested input */
477c478bd9Sstevel@tonic-gate 		uint32_t	buf32[16];	/* realigned input */
487c478bd9Sstevel@tonic-gate 	} buf_un;
497c478bd9Sstevel@tonic-gate } SHA1_CTX;
507c478bd9Sstevel@tonic-gate 
51*238b2890SToomas Soome #define	SHA1_BLOCK_LENGTH 64
529b37d296Swyllys #define	SHA1_DIGEST_LENGTH 20
539b37d296Swyllys 
547c478bd9Sstevel@tonic-gate void SHA1Init(SHA1_CTX *);
55734b6a94Sdarrenm void SHA1Update(SHA1_CTX *, const void *, size_t);
56734b6a94Sdarrenm void SHA1Final(void *, SHA1_CTX *);
577c478bd9Sstevel@tonic-gate 
587c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
597c478bd9Sstevel@tonic-gate }
607c478bd9Sstevel@tonic-gate #endif
617c478bd9Sstevel@tonic-gate 
627c478bd9Sstevel@tonic-gate #endif /* _SYS_SHA1_H */
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