Examining Smart-Card Security under the Threat of Power Analysis Attacks
IEEE Transactions on Computers
CRYPTO '99 Proceedings of the 19th Annual International Cryptology Conference on Advances in Cryptology
A Flexible User Authentication Scheme for Multi-server Internet Services
ICN '01 Proceedings of the First International Conference on Networking-Part 1
AINA '05 Proceedings of the 19th International Conference on Advanced Information Networking and Applications - Volume 2
A secure dynamic ID based remote user authentication scheme for multi-server environment
Computer Standards & Interfaces
Computer Standards & Interfaces
Efficient multi-server password authenticated key agreement using smart cards
IEEE Transactions on Consumer Electronics
A remote password authentication scheme for multiserver architecture using neural networks
IEEE Transactions on Neural Networks
Robust Smart Card Authentication Scheme for Multi-server Architecture
Wireless Personal Communications: An International Journal
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Due to the widespread applications of internet services, the study of accessing the resources of multi-server environment has received considerable attention, and many schemes are proposed successively. Very recently, Hsiang et al. proposed a dynamic ID-based remote user authentication scheme for multi-server environment. They claimed their scheme can resist various attacks. However, in this paper, we will show that Hsiang et al.'s scheme is vulnerable to the impersonation attack, the password guessing attack, the masquerading user attack and the masquerading server attack. The analysis shows that Hsiang et al.'s scheme is insecure for practical application.