QFQ encrypt/decrypt WIP: created new class for encryption and decryption of...

QFQ encrypt/decrypt WIP: created new class for encryption and decryption of strings. Implemented multiple functions to handle these data. Prepared formEditor.sql and formElement.json for new feature

Documentation/Installation.rst

@@ -586,10 +586,10 @@ Extension Manager: QFQ Configuration
 +-----------------------------------+-------------------------------------------------------+----------------------------------------------------------------------------+
 | securityVarsHoneypot              | email,username,password                               | If empty: no check. All named variables will rendered as INPUT elements.   |
 +-----------------------------------+-------------------------------------------------------+----------------------------------------------------------------------------+
-| securityAttackDelay               | 5                                                     | If an attack is detected, sleep 'x' seconds and exit PHP process. '-1'     |
-|                                   |                                                       | Reports the attack and returns normally - use this with care.              |
+| securityAttackDelay               | 5                                                     | If an attack is detected: a) clear SIP Store b) wait number of seconds, c) |
+|                                   |                                                       | quit PHP process. -1: Switch off attack detection.                         |
 +-----------------------------------+-------------------------------------------------------+----------------------------------------------------------------------------+
-| securityShowMessage               | true                                                  | If an attack is detected, show a message.                                  |
+| securityShowMessage               | on/off                                                | on: If an attack is detected, show a message.                              |
 +-----------------------------------+-------------------------------------------------------+----------------------------------------------------------------------------+
 | securityGetMaxLength              | 50                                                    | GET vars longer than 'x' chars triggers an `attack-recognized`.            |
 |                                   |                                                       | :ref:`ExceptionMaxLength`.                                                 |