throw new CertificateException("signature not validated");
{ throw new CertificateException("signature not validated"); }
  private void doVerify(Signature sig, PublicKey key)    throws CertificateException, InvalidKeyException, SignatureException  {    sig.initVerify(key);    sig.update(tbsCertBytes);    if (!sig.verify(signature))      throw new CertificateException("signature not validated");  }