You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

19 lines
618 B

/* public domain sha512 implementation based on fips180-3 */
struct sha512 {
uint64_t len; /* processed message length */
uint64_t h[8]; /* hash state */
uint8_t buf[128]; /* message block buffer */
};
enum { SHA512_DIGEST_LENGTH = 64 };
/* reset state */
void sha512_init(void *ctx);
/* process message */
void sha512_update(void *ctx, const void *m, unsigned long len);
/* get message digest */
/* state is ruined after sum, keep a copy if multiple sum is needed */
/* part of the message might be left in s, zero it if secrecy is needed */
void sha512_sum(void *ctx, uint8_t md[SHA512_DIGEST_LENGTH]);