#ifndef _SHA256_H | |
#define _SHA256_H | |
#include <linux/types.h> | |
#define SHA256_SUM_LEN 32 | |
#define SHA256_DER_LEN 19 | |
extern const uint8_t sha256_der_prefix[]; | |
/* Reset watchdog each time we process this many bytes */ | |
#define CHUNKSZ_SHA256 (64 * 1024) | |
typedef struct { | |
uint32_t total[2]; | |
uint32_t state[8]; | |
uint8_t buffer[64]; | |
} sha256_context; | |
void sha256_starts(sha256_context * ctx); | |
void sha256_update(sha256_context *ctx, const uint8_t *input, uint32_t length); | |
void sha256_finish(sha256_context * ctx, uint8_t digest[SHA256_SUM_LEN]); | |
void sha256_csum_wd(const unsigned char *input, unsigned int ilen, | |
unsigned char *output, unsigned int chunk_sz); | |
#endif /* _SHA256_H */ |