Examining Smart-Card Security under the Threat of Power Analysis Attacks
IEEE Transactions on Computers
An Efficient and Secure Multi-Server Password Authentication Scheme using Smart Cards
CW '04 Proceedings of the 2004 International Conference on Cyberworlds
A secure dynamic ID based remote user authentication scheme for multi-server environment
Computer Standards & Interfaces
A simple remote user authentication scheme
Mathematical and Computer Modelling: An International Journal
An efficient remote use authentication scheme using smart cards
IEEE Transactions on Consumer Electronics
A modified remote user authentication scheme using smart cards
IEEE Transactions on Consumer Electronics
IEEE Transactions on Consumer Electronics
Efficient multi-server password authenticated key agreement using smart cards
IEEE Transactions on Consumer Electronics
An enhanced remote user authentication scheme using smart cards
IEEE Transactions on Consumer Electronics
A dynamic ID-based remote user authentication scheme
IEEE Transactions on Consumer Electronics
A remote password authentication scheme for multiserver architecture using neural networks
IEEE Transactions on Neural Networks
A strong user authentication scheme with smart cards for wireless communications
Computer Communications
A secure dynamic identity based authentication protocol for multi-server architecture
Journal of Network and Computer Applications
An efficient anonymous authentication protocol for mobile pay-TV
Journal of Network and Computer Applications
Cryptanalysis to a remote user authentication scheme using smart cards for multi-server environment
HI'11 Proceedings of the 2011 international conference on Human interface and the management of information - Volume Part I
Wireless Personal Communications: An International Journal
Journal of Network and Computer Applications
Weaknesses in a dynamic ID-based remote user authentication scheme for multi-server environment
International Journal of Electronic Security and Digital Forensics
RFID system for public train transportation
Security and Communication Networks
Towards generalized ID-based user authentication for mobile multi-server environment
International Journal of Communication Systems
Improved multi-server authentication protocol
Security and Communication Networks
SSO password-based multi-server authentication protocol
International Journal of Communication Networks and Distributed Systems
Security and Communication Networks
Future Generation Computer Systems
NSS'12 Proceedings of the 6th international conference on Network and System Security
Journal of Computer and System Sciences
The Journal of Supercomputing
Advanced remote user authentication protocol for multi-server architecture based on ECC
Journal of Information Security and Applications
International Journal of Information and Communication Technology
Secure Handover Authentication Protocol Based on Bilinear Pairings
Wireless Personal Communications: An International Journal
Robust Smart Card Authentication Scheme for Multi-server Architecture
Wireless Personal Communications: An International Journal
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Recently, Liao and Wang proposed a secure dynamic ID based remote user authentication scheme for multi-server environment, and claimed that their scheme was intended to provide mutual authentication, two-factor security, replay attack, server spoofing attack, insider and stolen verifier attack, forward secrecy and user anonymity. In this paper, we show that Liao and Wang's scheme is still vulnerable to insider's attack, masquerade attack, server spoofing attack, registration center spoofing attack and is not reparable. Furthermore, it fails to provide mutual authentication. To remedy these flaws, this paper proposes an efficient improvement over Liao-Wang's scheme with more security. The computation cost, security, and efficiency of the improved scheme are well suited to the practical applications environment.