mcu_hi3321_watch/middleware/utils/algorithm/sha256/sha256.h
2025-05-26 20:15:20 +08:00

45 lines
1.1 KiB
C

/*
* Copyright (c) @CompanyNameMagicTag 2012-2020. All rights reserved.
* Description: the head File of sha256
* Author: @CompanyNameTag
* Create: 2012-12-22
*/
#ifndef SHA256_H
#define SHA256_H
#include <stdint.h>
#include "std_def.h"
#define SHA256_HASH_SIZE 32
/* Hash size in 32-bit words */
#define SHA256_HASH_WORDS 8
#define SHA256_BUFFER_WORDS 16
#define SHA256_BUFFER_BYTES 64
struct _sha256_context {
uint64_t total_length;
uint32_t hash[SHA256_HASH_WORDS];
uint32_t buffer_length;
union {
uint32_t words[SHA256_BUFFER_WORDS];
uint8_t bytes[SHA256_BUFFER_BYTES];
} buffer;
#ifdef RUNTIME_ENDIAN
int little_endian;
#endif /* RUNTIME_ENDIAN */
};
typedef struct _sha256_context sha256_context_t;
void sha256_init(sha256_context_t *sc);
void SHA256Update(sha256_context_t *sc, const void *vdata, uint32_t len);
void sha256_final(sha256_context_t *sc, uint8_t hash[SHA256_HASH_SIZE], uint32_t hash_len);
void sha256_hash(const uint8_t *in_buff, uint32_t in_buff_len, uint8_t *out_buff, uint32_t out_buff_len);
#endif