A Robust and Efficient Timestamp-Based Remote User Authentication Scheme with Smart Card Lost Attack Resistance

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Provided by: International Journal of Network Security
Topic: Networking
Format: PDF
Password-based authentication scheme with smart card is an important part of security for accessing remote servers. In 2011, Awasthi et al. proposed an improved timestamp-based remote user authentication scheme to eliminate the attacks in Shen et al.'s. However, the authors find that their scheme is vulnerable to the privileged insider, the lost smart card, the password guessing, the replay, the modification, and the denial of service attacks. They propose a timestamp-based remote user authentication scheme using elliptic curve cryptography to fix such problems.
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