Described herein in an example embodiment, is a mechanism to distribute
and implement secure credentials on a WLAN (wireless local area network)
employing radio frequency identification (RFID) tags. Symmetric keys are
provisioned to the tag in a manner that allows for optimized
re-association and secure announcements. The provisioned keys are derived
in a way that enables the controller to operate without having to
maintain the key state for every tag. In an example embodiment, the
controller generates keys for the RFID tags that are derived from a
master key associated with the controller, an identifier assigned to the
RFID tag and an address associated with the RFID tag.