tuya_sha256.h

 
#ifndef POLARSSL_SHA2_H
#define POLARSSL_SHA2_H
 
#include <string.h>
#include "mbedtls/sha256.h"
#define POLARSSL_SHA2_C 1
//#define POLARSSL_SELF_TEST    1
#define POLARSSL_ERR_SHA2_FILE_IO_ERROR -0x0078 
#define SHA256TYPE  0
#define SHA244TYPE  1
typedef struct {
    mbedtls_sha256_context mbedtls;
    unsigned char ipad[64]; 
    unsigned char opad[64]; 
}
sha2_context;
 
#ifdef __cplusplus
extern "C" {
#endif
 
void sha2_starts(sha2_context *ctx, int is224);
 
void sha2_update(sha2_context *ctx, const unsigned char *input, size_t ilen);
 
void sha2_finish(sha2_context *ctx, unsigned char output[32]);
 
void sha2(const unsigned char *input, size_t ilen,
          unsigned char output[32], int is224);
 
int sha2_file(const char *path, unsigned char output[32], int is224);
 
void sha2_hmac_starts(sha2_context *ctx, const unsigned char *key, size_t keylen,
                      int is224);
 
void sha2_hmac_update(sha2_context *ctx, const unsigned char *input, size_t ilen);
 
void sha2_hmac_finish(sha2_context *ctx, unsigned char output[32]);
 
void sha2_hmac_reset(sha2_context *ctx);
 
void sha2_hmac(const unsigned char *key, size_t keylen,
               const unsigned char *input, size_t ilen,
               unsigned char output[32], int is224);
 
int sha2_self_test(int verbose);
 
#ifdef __cplusplus
}
#endif
 
#endif /* sha2.h */