초고속 무선인터넷에 대한 요구가 급성장하면서 기존의 무선랜(WLAN: Wireless Local Area Network) 시스템이 초고속 무선인터넷의 기반구조로써 자리잡고 있음은 주지의 사실이다. 그러나 합리적인 가격과 편리성에도 불구하고 보안의 취약성이 문제로 남아있었다. 이 문제의 해결을 위한 노력의 결실로써 IEE 802.11i 표준은 지난 2004년 6월 24일에 IEEE802 SEC(Sponsor Executive Committee)의 투표를 통과하여 2004년 7월에 IEEE 표준으로 확정되었다[2]. 또한 신속한 국제표준화를 위해서 ISO/IEC JTC1 Fast Track DIS(Draft International Standard)로 상정되어 2004년 12월 8일부터 최종 승인을 위한 투표를 진행 중이다[5]. 본 고에서는 IEEE 802.11i 무선랜 보안 표준이 담고 있는 인증 방식, 키 교환 방식 및 암호 알고리즘에 대하여 분석해 보고자 한다.
KSP Keywords
Fast track, IEEE 802.11i, International standards, Wireless local area network(WLAN), local area network(LAN)
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