String str = key.toString();

        assertTrue(str.startsWith("LeaseKey["));
        assertTrue(str.endsWith("]"));
        assertTrue(str.contains("00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"));
    }

         7e:aa:be:ed:47:4d:b9:2f:fc:ed:7f:5a:fc:6b:c0:05:5b:f5:
         a0:31:fe:86:e3:8e:3f:49:af:6d:d5:ac:c7:c4:57:47:ce:97:
         7d:ab:b8:e9:75:ec:b4:39:fb:c8:cf:53:16:5b:1f:15:b6:7f:
         5a:d1:35:2d:fc:31:3a:10:e7:0c
```

> Observe the `Subject: CN = consoleAdmin` field.

    assertThat(formEncode(9)).isEqualTo("%09")
    // Browsers convert '\n' to '\r\n'
    assertThat(formEncode(10)).isEqualTo("%0A")
    assertThat(formEncode(11)).isEqualTo("%0B")
    assertThat(formEncode(12)).isEqualTo("%0C")
    // Browsers convert '\r' to '\r\n'
    assertThat(formEncode(13)).isEqualTo("%0D")
    assertThat(formEncode(14)).isEqualTo("%0E")
    assertThat(formEncode(15)).isEqualTo("%0F")

     * 00010: 43 45 46 45 45 43 41 43 41 43 41 43 41 43 41 43  |CEFEECACACACACAC|
     * 00020: 41 43 41 43 41 43 41 43 41 43 41 41 44 00 00 20  |ACACACACACAAD.. |
     * 00030: 00 01 c0 0c 00 20 00 01 00 00 00 00 00 06 20 00  |..... ........ .|
     * 00040: ac 22 22 e1                                      |."".            |
     * </pre>
     *
     * @param ps the PrintStream to write the hexdump output to