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A New Enhanced and Secured Password Authentication Protocol Based on Smart Card

Mourade Azrour, Mohammed Ouanan, Yousef Farhaoui

Abstract



In the last decade, a smart card based authentication and key agreement scheme has been widely used to verify the users’ validity. Recently, Liu et al. showed that the Li et al.’s scheme is vulnerable to some attacks. Then, Liu et al. proposed their protocol and proved that is secured against various attacks. However, in this paper we show that Liu et al.’s scheme is vulnerable to server spoofing attack. To overcome the weaknesses, we proposed our protocol which is demonstrated secured against various attack especially Server Spoofing attack.

Keywords


authentication protocol, security, smart card, elliptic curve cryptography.

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