Improved Efficient Remote User Authentication Schemes
نویسندگان
چکیده
Recently, Yoon et al. proposed a new smart card based remote user authentication scheme. We show that this scheme is subject to forgery attacks if the information stored in the smart card is stolen. This violates the “twofactor security” objective of the smart card based remote user authentication schemes. We propose an amendment to this problem. We further propose two new schemes which are more efficient and secure than Yoon et al.’s scheme.
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متن کاملComments on “ Improved Efficient Remote User Authentication Schemes ” Manik
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.
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عنوان ژورنال:
- I. J. Network Security
دوره 4 شماره
صفحات -
تاریخ انتشار 2007