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More Efficient and Secure Remote User Authentication Scheme using Smart Cards

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2 Author(s)
Eun-Jun Yoon ; Dept. of Comput. Eng., Kyungpook Nat. Univ., Taegu ; Kee-Young Yoo

In 2004, Lee et al. proposed an improvement to Chien et al's scheme to prevent parallel session attack and in which any legal users could choose and change their passwords freely. This paper, however, demonstrates that Lee et al.'s scheme is vulnerable to masquerading server attack. Additionally, we point out to the system's secret key forward secrecy problem and insecure password change. Furthermore, the current paper presents a more efficient and secure scheme in that it not only resolves such problems but also involves less computations and communications than Lee et al.'s scheme

Published in:

Parallel and Distributed Systems, 2005. Proceedings. 11th International Conference on  (Volume:2 )

Date of Conference:

22-22 July 2005