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An Efficient and Robust Remote User Authentication Method

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posted on 19.01.2021, 04:34 by M Khan

Wu-Chieu proposed an enhanced remote user authentication scheme to improve the security of a user-friendly remote user authentication scheme with smart cards. However, we demonstrate that their scheme is vulnerable and susceptible to the attacks and can easily be cryptanalyzed. Their scheme performs only unilateral authentication (only client authentication) and there is no mutual authentication between user and remote system, so their scheme suscepts from the server spoofing attack. Furthermore, their scheme is slower in detecting the wrong input-password, and users cannot change their passwords. This paper proposes an efficient and secure remote authentication scheme to solve the problems found in Wu-Chieu’s scheme. In addition, the computational costs and efficiency of the proposed scheme is better than other related published schemes.

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mkhan@mkhan.com

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Academy

Submitting Author's Country

Albania

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