class Signature {

  @Override
  public int hashCode() {
    int result = Arrays.hashCode(r);
    result = 31 * result + Arrays.hashCode(s);
    return result;
  }

  public  Signature(final BigInteger r, final BigInteger s);
  public  Signature(final byte[] bytes);
  public  Signature(final byte[] r, final byte[] s);

}