print_hex
print_hex(ehdr->salt, 0, sizeof(ehdr->salt));
print_hex(key, 0, MAX_KEYSZ);
static void print_hex(FILE *out, const uint8_t *bytes, size_t len);
print_hex(
print_hex(
print_hex(out, fixture->key, fixture->key_len);
print_hex(out, fixture->iv, fixture->iv_len);
print_hex(out, fixture->pt, fixture->data_len);
print_hex(out, result ? result : fixture->ct, fixture->data_len);