The security keys in the mobile terminals and access points of a wireless local area network (WLAN) are created, utilized and managed for a communication session between a mobile terminal and access point. Both the WLAN link level security protection and IP security functions of the network use the same...http://www.google.es/patents/US7028186?utm_source=gb-gplus-sharePatente US7028186 - Key management methods for wireless LANs
