@Test
public void createKey_checkValues() throws Exception {

  AesCmacPrfKeyFormat keyFormat = makeAesCmacPrfKeyFormat(32);
  AesCmacPrfKey key = new AesCmacPrfKeyManager().keyFactory().createKey(keyFormat);
  assertThat(key.getKeyValue()).hasSize(keyFormat.getKeySize());
}