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sph_sm3.h
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sph_sm3.h
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/* ====================================================================
* Copyright (c) 2014 - 2016 The GmSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the GmSSL Project.
* (http://gmssl.org/)"
*
* 4. The name "GmSSL Project" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
*
* 5. Products derived from this software may not be called "GmSSL"
* nor may "GmSSL" appear in their names without prior written
* permission of the GmSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the GmSSL Project
* (http://gmssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
#ifndef SPH_SM3_H
#define SPH_SM3_H
#define SM3_DIGEST_LENGTH 32
#define SM3_BLOCK_SIZE 64
#define SM3_CBLOCK (SM3_BLOCK_SIZE)
#define SM3_HMAC_SIZE (SM3_DIGEST_LENGTH)
#include <sys/types.h>
#include <stdint.h>
#include <string.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
uint32_t digest[8];
int nblocks;
unsigned char block[64];
int num;
} sm3_ctx_t;
void sm3_init(sm3_ctx_t *ctx);
void sm3_update(sm3_ctx_t *ctx, const unsigned char* data, size_t data_len);
void sm3_final(sm3_ctx_t *ctx, unsigned char digest[SM3_DIGEST_LENGTH]);
void sm3_compress(uint32_t digest[8], const unsigned char block[SM3_BLOCK_SIZE]);
void sm3(const unsigned char *data, size_t datalen,
unsigned char digest[SM3_DIGEST_LENGTH]);
void sph_sm3(void *cc, const void *data, size_t len);
void sph_sm3_close(void *cc, void *dst);
typedef struct {
sm3_ctx_t sm3_ctx;
unsigned char key[SM3_BLOCK_SIZE];
} sm3_hmac_ctx_t;
void sm3_hmac_init(sm3_hmac_ctx_t *ctx, const unsigned char *key, size_t key_len);
void sm3_hmac_update(sm3_hmac_ctx_t *ctx, const unsigned char *data, size_t data_len);
void sm3_hmac_final(sm3_hmac_ctx_t *ctx, unsigned char mac[SM3_HMAC_SIZE]);
void sm3_hmac(const unsigned char *data, size_t data_len,
const unsigned char *key, size_t key_len, unsigned char mac[SM3_HMAC_SIZE]);
#ifdef CPU_BIGENDIAN
#define cpu_to_be16(v) (v)
#define cpu_to_be32(v) (v)
#define be16_to_cpu(v) (v)
#define be32_to_cpu(v) (v)
#else
#define cpu_to_le16(v) (v)
#define cpu_to_le32(v) (v)
#define le16_to_cpu(v) (v)
#define le32_to_cpu(v) (v)
#define cpu_to_be16(v) (((v)<< 8) | ((v)>>8))
#define cpu_to_be32(v) (((v)>>24) | (((v)>>8)&0xff00) | (((v)<<8)&0xff0000) | ((v)<<24))
#define be16_to_cpu(v) cpu_to_be16(v)
#define be32_to_cpu(v) cpu_to_be32(v)
#endif
#ifdef __cplusplus
}
#endif
#endif