Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 1

PWLANs Related Publications

1 Cryptanalysis of Two-Factor Authenticated Key Exchange Protocol in Public Wireless LANs

Authors: Donghyun Choi, Yunho Lee, Dongho Won, Seungjoo Kim, Hyunseung Lee

Abstract:

In Public Wireless LANs(PWLANs), user anonymity is an essential issue. Recently, Juang et al. proposed an anonymous authentication and key exchange protocol using smart cards in PWLANs. They claimed that their proposed scheme provided identity privacy, mutual authentication, and half-forward secrecy. In this paper, we point out that Juang et al.'s protocol is vulnerable to the stolen-verifier attack and does not satisfy user anonymity.

Keywords: Authentication, User Privacy, smart card, key exchange, PWLANs

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