The Security Proof of a 4-Way Handshake Protocol in IEEE 802.11i
Abstract: The IEEE 802.11i is the security standard to solve the security problems of WLAN, in which, the protocol 4-way handshake plays a very important role in the authentication and key agreement process. In this paper, we analyzed the security of protocol 4-way handshake with the Canetti-Krawczyk (CK) model, a general framework for constructing and analyzing authentication protocols in realistic models of communication networks. The results show that 4-way handshake protocol can not only satisfy the definition of Session Key security defined in the CK model, but also the universal composition security, a stronger definition of security. So it can be securely used as the basic model of the authentication and key agreement of WLAN.
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