Evolution of wireless LAN security architecture to IEEE 802.11i (WPA2)

Authors:
Moffat Mathews;Ray Hunt
Affiliations:
University of Canterbury, New Zealand;University of Canterbury, New Zealand
Venue:
AsiaCSN '07 Proceedings of the Fourth IASTED Asian Conference on Communication Systems and Networks
Year:
2007

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Abstract

Wireless LANs have gone through rapid changes with respect to their security architecture in recent years. One view has been to incorporate WLANs under already existing VPN umbrellas and to view them merely as an alternative access method --- thus preserving existing VPN infrastructure. Another view has been to address the security of the airwaves which has been demonstrated to be extremely vulnerable. The evolution of security standardisation based upon the work of the IEEE has evolved from WEP to WPA which introduced new key management and integrity mechanisms through to WAP2 (IEEE 802.11i) which maintains the management and integrity mechanisms of WPA but introduces AES encryption as well as moving much of the security functionality to the hardware. This paper traces the evolution and development of this new WLAN security architecture.