An Improved Remote User Authentication Scheme Using Smart Cards

Details An Improved Remote User Authentication Scheme Using Smart Cards An Improved Remote User Authentication Scheme Using Smart Cards

2005-04-16

arxiv.org/abs/cs/0504076v1

Computer Science

Cryptography and Security

16 pages, no figures

Scientific paper

In 2000, Hwang and Li proposed a new remote user authentication scheme using smart cards. In the same year, Chan and Cheng pointed out that Hwang and Li’s scheme is not secure against the masquerade attack. Further, in 2003, Shen, Lin and Hwang pointed out a different type of attack on Hwang and Li’s scheme and presented a modified scheme to remove its security pitfalls. This paper presents an improved scheme which is secure against Chan-Cheng and all the extended attacks.

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