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Mutual authentication is vital concept to network security and incorporated to proprietary security solutions. In this paper, we present a new mutual authentication protocol based on graph isomorphism that can stop man-in-the-middle, session high-jacking and replay attacks. Although authentication protocol based on graph isomorphism was motivated by WLAN (wireless local area network) security in the infrastructure mode, we believe that it can be modified for the ad-hoc mode where each mobile node holds a partial sub-graph and the nodes can collaborate with each other to authenticate a new node.
Date of Conference: 25-28 March 2008