@Test
public void testPoly1305() throws GeneralSecurityException {

  byte[] key = TestUtil.hexDecode(""
      + "85d6be7857556d337f4452fe42d506a8"
      + "0103808afb0db2fd4abff6af4149f51b");
  byte[] in = ("Cryptographic Forum Research Group").getBytes(UTF_8);
  Truth.assertThat(Poly1305.computeMac(key, in)).isEqualTo(TestUtil.hexDecode(""
      + "a8061dc1305136c6c22b8baf0c0127a9"));
}