1/* public domain sha512/256 implementation based on fips180-3 */
 2
 3#include "sha512.h"
 4
 5#define sha512_256  sha512  /*struct*/
 6
 7enum { SHA512_256_DIGEST_LENGTH = 32 };
 8
 9/* reset state */
10void sha512_256_init(void *ctx);
11/* process message */
12#define sha512_256_update  sha512_update
13/* get message digest */
14/* state is ruined after sum, keep a copy if multiple sum is needed */
15/* part of the message might be left in s, zero it if secrecy is needed */
16void sha512_256_sum(void *ctx, uint8_t md[SHA512_256_DIGEST_LENGTH]);