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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SHA1_H
#define _SYS_SHA1_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h> /* for uint_* */
#ifdef __cplusplus
extern "C" {
#endif
/*
* NOTE: n2rng (Niagara2 RNG driver) accesses the state field of
* SHA1_CTX directly. NEVER change this structure without verifying
* compatiblity with n2rng. The important thing is that the state
* must be in a field declared as uint32_t state[5].
*/
/* SHA-1 context. */
typedef struct {
uint32_t state[5]; /* state (ABCDE) */
uint32_t count[2]; /* number of bits, modulo 2^64 (msb first) */
union {
uint8_t buf8[64]; /* undigested input */
uint32_t buf32[16]; /* realigned input */
} buf_un;
} SHA1_CTX;
#define SHA1_DIGEST_LENGTH 20
void SHA1Init(SHA1_CTX *);
void SHA1Update(SHA1_CTX *, const void *, size_t);
void SHA1Final(void *, SHA1_CTX *);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SHA1_H */
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