         do {
             signature = try BreinUtil.generateSignature(message, secret: getConfig()?.getSecret())
         } catch {
-            // todo: throw error
+            // TODO: throw error ?
             print("Ups: Error while trying to generate signature")
         }
 

    }

    /**
      Creates the signature for the temporal data secret
    */
    public override func createSignature() -> String! {
        let localDateTime = getBreinUser()?.getLocalDateTime()

      Used to create a clone of the temporal data object. This is important in order to prevent
      concurrency issues.

      - returns: the clone of the temporal data object
    */
    public func clone() -> BreinTemporalData {

