@Test
public void testPoly1305TestVector7() throws GeneralSecurityException {

  byte[] key = TestUtil.hexDecode(""
      + "01000000000000000000000000000000"
      + "00000000000000000000000000000000");
  byte[] in = TestUtil.hexDecode(""
      + "ffffffffffffffffffffffffffffffff"
      + "f0ffffffffffffffffffffffffffffff"
      + "11000000000000000000000000000000");
  Truth.assertThat(Poly1305.computeMac(key, in)).isEqualTo(TestUtil.hexDecode(""
      + "05000000000000000000000000000000"));
}