A Study on Dynamic Key Management in Mixed-Mode Wireless LAN 


Vol. 29,  No. 4, pp. 581-593, Apr.  2004


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  Abstract

The interest in wireless LAN security is on the increase owing to a role of high-speed wireless Internet infrastructure of wireless LAN. Wi-Fi has released WPA standard in order to overcome drawbacks of WEP algorithm that is security element of current IEEE 802.11-based wireless LAN system. Pairwise key management and group key management in a mixed-mode which supports both terminals running WPA and terminals running original WEP security are very complicate. In this paper, we analyze flaws in WPA authenticator key management state machine for key distribution and propose the countermeasures to overcome the analyzed problems. Additionally, WPA authenticator key management state machine to which the solutions are applied is described. The reconstructed WPA authenticator key management state machine helps the AP perform efficiently group key exchange and group key update in the mixed-mode.

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  Cite this article

[IEEE Style]

Y. S. Kang, K. Oh, B. Chung, K. Chung, D. Nyang, "A Study on Dynamic Key Management in Mixed-Mode Wireless LAN," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 4, pp. 581-593, 2004. DOI: .

[ACM Style]

You Sung Kang, KyungHee Oh, ByungHo Chung, Kyo-il Chung, and DaeHun Nyang. 2004. A Study on Dynamic Key Management in Mixed-Mode Wireless LAN. The Journal of Korean Institute of Communications and Information Sciences, 29, 4, (2004), 581-593. DOI: .

[KICS Style]

You Sung Kang, KyungHee Oh, ByungHo Chung, Kyo-il Chung, DaeHun Nyang, "A Study on Dynamic Key Management in Mixed-Mode Wireless LAN," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 4, pp. 581-593, 4. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880