DIGEST_TYPE__LAST
if (digest_type < DIGEST_TYPE__LAST && hash_algo < HASH_ALGO__LAST) {
static const char * const digest_type_name[DIGEST_TYPE__LAST] = {
DIGEST_TYPE__LAST, HASH_ALGO__LAST,
DIGEST_TYPE__LAST, hash_algo,
DIGEST_TYPE__LAST, hash_algo,