sha2.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SHA2_H
#define _SYS_SHA2_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h> /* for uint_* */
#ifdef __cplusplus
extern "C" {
#endif
#define SHA256 0
#define SHA256_HMAC 1
#define SHA256_HMAC_GEN 2
#define SHA384 3
#define SHA384_HMAC 4
#define SHA384_HMAC_GEN 5
#define SHA512 6
#define SHA512_HMAC 7
#define SHA512_HMAC_GEN 8
/* SHA2 context. */
typedef struct {
uint32_t algotype; /* Algorithm Type */
/* state (ABCDEFGH) */
union {
uint32_t s32[8]; /* for SHA256 */
uint64_t s64[8]; /* for SHA384/512 */
} state;
/* number of bits */
union {
uint32_t c32[2]; /* for SHA256 , modulo 2^64 */
uint64_t c64[2]; /* for SHA384/512, modulo 2^128 */
} count;
union {
uint8_t buf8[128]; /* undigested input */
uint32_t buf32[32]; /* realigned input */
uint64_t buf64[16]; /* realigned input */
} buf_un;
} SHA2_CTX;
extern void SHA2Init(uint64_t mech, SHA2_CTX *);
extern void SHA2Update(SHA2_CTX *, const uint8_t *, uint32_t);
extern void SHA2Final(uint8_t *, SHA2_CTX *);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SHA2_H */