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Some remarks on a remote user authentication scheme using smart cards with forward secrecy

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1 Author(s)
Kumar, M. ; Dept. of Appl. Sci. & Humanities, Sharda Group of Institutions, India

In 2000, Hwang and Li proposed a remote user authentication scheme using smart cards to solve the problems of Lamport scheme. Later, Chan- Chang, Shen-Lin-Hwang and then Chang-Hwang pointed out some attacks on Hwang-Li's scheme. In 2003, Awasthi and Lal introduced a new type of attack on Hwang-Li's scheme and also proposed a new scheme with forward secrecy. This paper analyses that Awasthi-Lal's paper suffers with some practical pitfalls. In this paper, the security pitfalls of Awasthi and Lal's scheme are also analyzed.

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Consumer Electronics, IEEE Transactions on  (Volume:50 ,  Issue: 2 )