@Test
  public void testOIDEncoding2() {
    // created using wireshark
    int[] oid = new int[] {1, 2, 840, 113549, 1, 1, 1};
    byte[] expected =
        new byte[] {
          (byte) 0x2a,
          (byte) 0x86,
          (byte) 0x48,
          (byte) 0x86,
          (byte) 0xf7,
          (byte) 0x0d,
          (byte) 0x01,
          (byte) 0x01,
          (byte) 0x01
        };
    byte[] result = RawPublicKey.encodeOID(oid);

    assertArrayEquals(expected, result);

    int[] decoded = RawPublicKey.decodeOID(result);
    assertArrayEquals(decoded, oid);
  }
  @Test
  public void testOIDEncoding1() {
    // Found here:
    // http://msdn.microsoft.com/en-us/library/windows/desktop/bb540809(v=vs.85).aspx
    int[] oid = new int[] {1, 3, 6, 1, 4, 1, 311, 21, 20};
    byte[] expected =
        new byte[] {
          (byte) 0x2b,
          (byte) 0x06,
          (byte) 0x01,
          (byte) 0x04,
          (byte) 0x01,
          (byte) 0x82,
          (byte) 0x37,
          (byte) 0x15,
          (byte) 0x14
        };
    byte[] result = RawPublicKey.encodeOID(oid);

    assertArrayEquals(expected, result);

    int[] decoded = RawPublicKey.decodeOID(result);
    assertArrayEquals(decoded, oid);
  }