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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 https://opensource.org/licenses/CDDL-1.0.
* 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 (c) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
*/
#ifndef _SYS_SHA2_H
#define _SYS_SHA2_H
#ifdef _KERNEL
#include <sys/types.h>
#else
#include <stdint.h>
#include <stdlib.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define SHA224_BLOCK_LENGTH 64
#define SHA256_BLOCK_LENGTH 64
#define SHA384_BLOCK_LENGTH 128
#define SHA512_BLOCK_LENGTH 128
#define SHA224_DIGEST_LENGTH 28
#define SHA256_DIGEST_LENGTH 32
#define SHA384_DIGEST_LENGTH 48
#define SHA512_DIGEST_LENGTH 64
#define SHA512_224_DIGEST_LENGTH 28
#define SHA512_256_DIGEST_LENGTH 32
#define SHA256_HMAC_BLOCK_SIZE 64
#define SHA512_HMAC_BLOCK_SIZE 128
/* sha256 context */
typedef struct {
uint32_t state[8];
uint64_t count[2];
uint8_t wbuf[64];
/* const sha256_ops_t *ops */
const void *ops;
} sha256_ctx;
/* sha512 context */
typedef struct {
uint64_t state[8];
uint64_t count[2];
uint8_t wbuf[128];
/* const sha256_ops_t *ops */
const void *ops;
} sha512_ctx;
/* SHA2 context */
typedef struct {
union {
sha256_ctx sha256;
sha512_ctx sha512;
};
/* algorithm type */
int algotype;
} SHA2_CTX;
/* SHA2 algorithm types */
typedef enum sha2_mech_type {
SHA256_MECH_INFO_TYPE, /* SUN_CKM_SHA256 */
SHA256_HMAC_MECH_INFO_TYPE, /* SUN_CKM_SHA256_HMAC */
SHA256_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA256_HMAC_GENERAL */
SHA384_MECH_INFO_TYPE, /* SUN_CKM_SHA384 */
SHA384_HMAC_MECH_INFO_TYPE, /* SUN_CKM_SHA384_HMAC */
SHA384_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA384_HMAC_GENERAL */
SHA512_MECH_INFO_TYPE, /* SUN_CKM_SHA512 */
SHA512_HMAC_MECH_INFO_TYPE, /* SUN_CKM_SHA512_HMAC */
SHA512_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA512_HMAC_GENERAL */
SHA512_224_MECH_INFO_TYPE, /* SUN_CKM_SHA512_224 */
SHA512_256_MECH_INFO_TYPE /* SUN_CKM_SHA512_256 */
} sha2_mech_type_t;
#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
#define SHA512_224 9
#define SHA512_256 10
/* SHA2 Init function */
extern void SHA2Init(int algotype, SHA2_CTX *ctx);
/* SHA2 Update function */
extern void SHA2Update(SHA2_CTX *ctx, const void *data, size_t len);
/* SHA2 Final function */
extern void SHA2Final(void *digest, SHA2_CTX *ctx);
#ifdef __cplusplus
}
#endif
#endif /* SYS_SHA2_H */
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