Password authentication with insecure communication
Communications of the ACM
Security enhancement for Optimal Strong-Password Authentication protocol
ACM SIGOPS Operating Systems Review
A secure and efficient strong-password authentication protocol
ACM SIGOPS Operating Systems Review
A simple remote user authentication scheme
Mathematical and Computer Modelling: An International Journal
A modified remote user authentication scheme using smart cards
IEEE Transactions on Consumer Electronics
A remote password authentication scheme for multiserver architecture using neural networks
IEEE Transactions on Neural Networks
A global authentication scheme for mobile ad-hoc networks
IWSEC'07 Proceedings of the Security 2nd international conference on Advances in information and computer security
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Password authentication, which is widely used for authenticated method, also is important protocol by requiring a username and password before being allowed access to resources. In 2001, Lin et al. proposed the optimal strong-password authentication protocol, called (OSPA) which is a one-time password method by verifying with the different verifier every time for affirming its identity. However, Chen-Ku and Tsuji-Shimizu pointed respectively out that OSPA is vulnerable to the stolen-verifier attack and impersonation attack. In this paper, we shall propose the improved protocol secure against the known attacks to enhance the security