can be used to silence (moderate) normal users and opers (this set
only by founder). To be included in protocol version 1.1.
+ 7. Channel Message Payload needs slight redesining to include the IV
+ field to the MAC generation of the payload. It is authenticated
+ by the packet's MAC but not by the payload's MAC. Since the IV
+ belongs to the payload, its integrity should be protected by the
+ payload MAC and not alone by packet MAC. To be included in protocol
+ version 1.1.
+
TODO After 1.0
==============