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http://dx.doi.org/10.13089/JKIISC.2009.19.1.81

A Secure and Efficient Roaming Mechanism for Centralized WLAN Environment  

Park, Chang-Seop (Dankook University)
Woo, Byung-Duk (Dankook University)
Lim, Jeong-Mi (Dankook University)
Publication Information
Journal of the Korea Institute of Information Security & Cryptology / v.19, no.1, 2009 , pp. 81-92 More about this Journal
Abstract
Recently, there is a drastic increase in users interested in real-time multimedia services in the WLAN environment, as the demand of IEEE 802.11 WLAN-based services increases. However, the handoff delay based on 802.11i security policy is not acceptable for the seamless real-time multimedia services provided to MS frequently moving in the WLAN environment, and there is a possibility of DoS attacks against session key derivation process and handoff mechanism. In this paper, a secure and efficient handoff mechanism in the centralized WLAN environment is introduced to solve the security problems. The 4-way Handshake for both mutual authentication and session key derivation is replaced by the 2-way Reassociation process.
Keywords
IEEE 802.11i; WLAN; Fast Handover; Centralized WLAN; 4-Way Handshake;
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