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http://dx.doi.org/10.13089/JKIISC.2003.13.6.107

Secure Handover Using Inter-Access Point Protocol in Wireless LAN  

DaeHun Nyang (인하대학교 정보통신대학원)
Publication Information
Journal of the Korea Institute of Information Security & Cryptology / v.13, no.6, 2003 , pp. 107-112 More about this Journal
Abstract
Handover in IEEE 802.11 requires repeated authentication and key exchange procedures, which are an obstacle to seamless services of wireless LAM. We propose a fast authentication and key exchange mechanism using IEEE 802.11f. Especially, by proposing a modified version of the 4-way handshake of IEEE 802.11i, we solve the perfect forward secrecy problem that arises when the pre-authentication is adopted. The scheme can be implemented only using the Context Block of IEEE 802.11f and the 4-way handshake of IEEE 802.11i without involving authentications server's interaction or non-standard behavior between access points. Our scheme is applicable to devices not supporting the us-authentication of IEEE 802.11i and also, it can substitute the pre-authentication when the pre-authentication is failed.
Keywords
Wireless LAN; Security; Authentication; Key Exchange; Handover;
Citations & Related Records
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  • Reference
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[ L.Blunk;J.Vollbrecht ] / RFC 2284
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3 /
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