Used for "Group" sessions to encode regular data messages encrypted with a group key. Lifetime: Operational Group Key, Rollover allowed, Persistence: Mandatory
Used for "Unsecure" sessions Rollover allowed, Persistence: Optional
Used for "Unicast" sessions Lifetime: Session Key, Rollover expires, Persistence: Optional
Used for "Group" sessions to encode control messages encrypted with a group key. Lifetime: Operational Group Key, Rollover allowed, Persistence: Mandatory