Publication: Comments on "Improved efficient remote user authentication schemes"
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Abstract
Recently, Tian et al. presented an article, in which they discussed some security weaknesses of Yoon et al.�s scheme and subsequently proposed two �improved� schemes. In this paper, we show that the Tian et al.�s schemes are insecure and vulnerable than the Yoon et al.�s scheme. Keywords: Authentication, smart card, timestamp
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Das, Manik Lal. "Comments on "Improved efficient remote user authentication schemes"," International Journal of Network Security, vol. 6, no. 3, pp. 282-284, May. 1, 2008.