/**
  * Builds the actual string that is POSTed to the KeyServer
  *
  * @param localhostname Local Hostname
  * @param request KeyServer request
  * @param key Key to allocate/deallocate
  * @return String to POST
  */
 protected static String buildRequestString(
     String localhostname, RequestType request, String key) {
   return buildRequestString(localhostname, request.getNativeRequest(), key);
 }