Poly1305 { private Poly1305() {} private  Poly1305();  static final int MAC_TAG_SIZE_IN_BYTES; static final int MAC_KEY_SIZE_IN_BYTES; }
@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")); }