Password authentication with insecure communication
Communications of the ACM
An Efficient and Secure Multi-Server Password Authentication Scheme using Smart Cards
CW '04 Proceedings of the 2004 International Conference on Cyberworlds
PEITS '08 Proceedings of the 2008 Workshop on Power Electronics and Intelligent Transportation System
A secure dynamic ID based remote user authentication scheme for multi-server environment
Computer Standards & Interfaces
An Efficient Multi-server Password Authenticated Key Agreement Scheme Revisited
ICCIT '08 Proceedings of the 2008 Third International Conference on Convergence and Hybrid Information Technology - Volume 02
Security Weaknesses in Chang and Wu's Key Agreement Protocol for a Multi-Server Environment
ICEBE '08 Proceedings of the 2008 IEEE International Conference on e-Business Engineering
Coloured Petri Nets: Modelling and Validation of Concurrent Systems
Coloured Petri Nets: Modelling and Validation of Concurrent Systems
Robust and Simple Multi-server Authentication Protocol without Verification Table
HIS '09 Proceedings of the 2009 Ninth International Conference on Hybrid Intelligent Systems - Volume 03
User authentication scheme with privacy-preservation for multi-server environment
IEEE Communications Letters
An off-line dictionary attack on a simple three-party key exchange protocol
IEEE Communications Letters
Robust Multi-Server Authentication Scheme
NPC '09 Proceedings of the 2009 Sixth IFIP International Conference on Network and Parallel Computing
An efficient remote use authentication scheme using smart cards
IEEE Transactions on Consumer Electronics
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
Security Flaws in a Smart Card Based Authentication Scheme for Multi-server Environment
Wireless Personal Communications: An International Journal
A New Password-Based Multi-server Authentication Scheme Robust to Password Guessing Attacks
Wireless Personal Communications: An International Journal
Cryptanalysis and Improvement of an Anonymous Authentication Protocol for Wireless Access Networks
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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Increasing popularity of the multi-server architecture has propelled the research on the multi-server authentication schemes. Current dominating authentication schemes are smartcard based, verification table free schemes with passwords. Although these schemes have developed to be robust against most of the popular malicious attacks, they still have security weaknesses and their efficiency is generally low. In this paper, we analyze and formulate security issues in previously proposed schemes. And based on the formulation, an enhanced efficient and secure scheme is proposed. In the proposal, a novel "redundant key protection" is proposed to utilize. The proposed scheme is validated and verified by Colored Petri Nets.