throw new CertificateException(ioe.toString());
CertificateException ce = new CertificateException(ioe.getMessage()); ce.initCause (ioe); throw ce;
  public Certificate engineGenerateCertificate(InputStream inStream)    throws CertificateException  {    try      {        return generateCert(inStream);      }    catch (IOException ioe)      {        throw new CertificateException(ioe.toString());      }  }