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A Transparent Key Management Scheme for Wireless LANs Using DHCP

Shankar, Narendar; Arbaugh, William A.; Zhang, Kan


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Abstract: Wireless communication continues to grow in importance as does the need for secure communications. The well known IEEE 802.11b standard leaves the implementation of a key management system as an open problem for vendors, and recent attacks have shown the need for a robust key management system. What is required is a system which is scalable, deployable and most importantly a system with minimum manual intervention as far as key management is concerned. It should handle periodic WEP key updating and the problem of users rejoining the network with transparency even though the key period may have changed. In this paper, we present a solution for transparent key management within a wireless LAN environment.

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