if (Configuration.DEBUG)
  void start() throws KeyStoreException, NoSuchAlgorithmException, IOException,      UnsupportedCallbackException, UnrecoverableKeyException,      CertificateException  {    log.entering(this.getClass().getName(), "start"); //$NON-NLS-1$    // 1. get the key entry and certificate chain associated to alias    Key privateKey = getAliasPrivateKey();    Certificate[] chain = store.getCertificateChain(alias);    // 2. replace the old entry    setNewKeyPassword(_newPassword);    store.setKeyEntry(alias, privateKey, newPasswordChars, chain);    // 3. persist the key store    saveKeyStore();    log.exiting(this.getClass().getName(), "start"); //$NON-NLS-1$  }