/// <summary></summary> /// <param name=""></param> private void ExecutePasswordToKey(BackgroundMessage UserInterfaceMessage) { byte[] abKey; if ((UserInterfaceMessage.abKeyOrPassword == null) || (UserInterfaceMessage.abSignatureOrSalt == null)) { throw new ArgumentException("Argument in BackgroundThread.ExecutePasswordToKey must not be null."); } else { Console.WriteLine("ExecutePasswordToKey start " + DateTime.Now.ToString("mm:ss fff")); abKey = _Cryptography.PasswordToAesKey(_Cryptography.DecryptAes(UserInterfaceMessage.abKeyOrPassword, _abAesKey), UserInterfaceMessage.abSignatureOrSalt); Console.WriteLine("ExecutePasswordToKey end " + DateTime.Now.ToString("mm:ss fff")); UserInterfaceMessage.abKeyOrPassword = _Cryptography.EncryptAes(abKey, _abAesKey); } _quReturn.Enqueue(UserInterfaceMessage); }