LARGEBLOB_DIGEST_LENGTH
if (len < LARGEBLOB_DIGEST_LENGTH) {
len -= LARGEBLOB_DIGEST_LENGTH;
largeblob_array_digest(u_char out[LARGEBLOB_DIGEST_LENGTH], const u_char *data,
memcpy(out, dgst, LARGEBLOB_DIGEST_LENGTH);
u_char expected_hash[LARGEBLOB_DIGEST_LENGTH];