Design of WLAN secure system against weaknesses of the ieee 802.1x

Authors:
Seong-pyo Hong;Jong-an Park;Seung-jo Han;Jae-young Pyun;Joon Lee
Affiliations:
Dept. of Information & Communication Engineering, Chosun University, Gwangju, Korea;Dept. of Information & Communication Engineering, Chosun University, Gwangju, Korea;Dept. of Information & Communication Engineering, Chosun University, Gwangju, Korea;Dept. of Information & Communication Engineering, Chosun University, Gwangju, Korea;Dept. of Computer Engineering, Chosun University, Gwangju, Korea
Venue:
ICHIT'06 Proceedings of the 1st international conference on Advances in hybrid information technology
Year:
2006

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Abstract

The IEEE 802.1x framework, what was known to have adjusted the IEEE 802.11b's weakness in client authentication is a port-based control mechanism that introduces the logical port idea and performs authentication through the AP or the bridge system. Unfortunately, there are two problems in existing access authentication scheme for wireless LAN, the IEEE 802.1x. One of the problems is that it is possible for a malicious user to disguise as a right authenticator because he/she does not take into account the authentication of authenticators. The other problem is that a malicious user can force an authentication Server to waste computational resource by continuously accessing requests. In this paper, we propose a Wireless LAN secure system that offers secure encrypted communication and user authentications. The purpose of the WLAN secure system that this study suggests is to improve the weakness in security of IEEE 802.1x and to guarantee a secure encrypted communication.