assertEquals(new BigInteger("01020304", 16), asn1Integer.getValue());
  }
  
  @Test
  public void testParseASN1BitString() {
    ASN1BitString bitString = parser.parseASN1BitString(createBuffer("0001020304"));
    assertArrayEquals(new byte[] {1, 2, 3, 4}, bitString.getBytes());
  }