12b9912e6SJeroen Hofstee #ifndef _SHA256_H 22b9912e6SJeroen Hofstee #define _SHA256_H 32b9912e6SJeroen Hofstee 42b9912e6SJeroen Hofstee #define SHA256_SUM_LEN 32 5da29f299SAndrew Duda #define SHA256_DER_LEN 19 6da29f299SAndrew Duda 7da29f299SAndrew Duda extern const uint8_t sha256_der_prefix[]; 82b9912e6SJeroen Hofstee 92b9912e6SJeroen Hofstee /* Reset watchdog each time we process this many bytes */ 102b9912e6SJeroen Hofstee #define CHUNKSZ_SHA256 (64 * 1024) 112b9912e6SJeroen Hofstee 122b9912e6SJeroen Hofstee typedef struct { 132b9912e6SJeroen Hofstee uint32_t total[2]; 142b9912e6SJeroen Hofstee uint32_t state[8]; 152b9912e6SJeroen Hofstee uint8_t buffer[64]; 16*257c8a70SJoseph Chen 17*257c8a70SJoseph Chen #if !defined(USE_HOSTCC) 18*257c8a70SJoseph Chen struct udevice *cdev; 19*257c8a70SJoseph Chen u32 length; /* Data total length */ 20*257c8a70SJoseph Chen #endif 212b9912e6SJeroen Hofstee } sha256_context; 222b9912e6SJeroen Hofstee 232b9912e6SJeroen Hofstee void sha256_starts(sha256_context * ctx); 242b9912e6SJeroen Hofstee void sha256_update(sha256_context *ctx, const uint8_t *input, uint32_t length); 252b9912e6SJeroen Hofstee void sha256_finish(sha256_context * ctx, uint8_t digest[SHA256_SUM_LEN]); 262b9912e6SJeroen Hofstee 272b9912e6SJeroen Hofstee void sha256_csum_wd(const unsigned char *input, unsigned int ilen, 282b9912e6SJeroen Hofstee unsigned char *output, unsigned int chunk_sz); 29fc474da5SJoseph Chen void sha256_csum(const unsigned char *input, unsigned int ilen, 30fc474da5SJoseph Chen unsigned char *output); 312b9912e6SJeroen Hofstee 322b9912e6SJeroen Hofstee #endif /* _SHA256_H */ 33