assertThat(hmacMd5(SHA1_KEY).hashBytes(input.getBytes(UTF_8)).toString())
        .isEqualTo(knownOutput);
  }

  public void testPutAfterHash() {
    Hasher hasher = hmacMd5(MD5_KEY).newHasher();

    assertThat(
            hasher
                .putString("The quick brown fox jumps over the lazy dog", UTF_8)
                .hash()