public static function create_ssh_token()
 {
     try {
         return $newToken = Airavata::generateAndRegisterSSHKeys(Session::get('authz-token'), Session::get("gateway_id"), Session::get("username"));
     } catch (InvalidRequestException $ire) {
         CommonUtilities::print_error_message('p>Error in creating SSH Handshake. You might have to enable TLS in pga_config. </p>' . '<p>InvalidRequestException: ' . $ire->getMessage() . '</p>');
     } catch (AiravataClientException $ace) {
         CommonUtilities::print_error_message('<p>Error in creating SSH Handshake. You might have to enable TLS in pga_config.  </p>' . '<p>Airavata Client Exception: ' . $ace->getMessage() . '</p>');
     } catch (AiravataSystemException $ase) {
         CommonUtilities::print_error_message('p>Error in creating SSH Handshake. You might have to enable TLS in pga_config.  </p>' . '<p>Airavata System Exception: ' . $ase->getMessage() . '</p>');
     }
 }