On ‘a simple three-party password-based key exchange protocol’

Authors:
Ching-Ying Lin;Tzonelih Hwang
Affiliations:
Department of Computer Science and Information Engineering, National Cheng Kung University, No.1, University Road, Tainan City, Taiwan;Department of Computer Science and Information Engineering, National Cheng Kung University, No.1, University Road, Tainan City, Taiwan
Venue:
International Journal of Communication Systems
Year:
2011

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An anonymous multi-server authenticated key agreement scheme based on trust computing using smart cards and biometrics

Expert Systems with Applications: An International Journal

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Abstract

In 2009, Huang (Int. J. Commun. Syst., 22, 857–862) proposed a simple and efficient three-party password-based key exchange protocol without server's public key. This work shows that the protocol could be vulnerable to an undetectable online password guessing attack. Furthermore, an improved protocol is proposed to avoid the attack. Copyright © 2011 John Wiley & Sons, Ltd.