Weaknesses of a dynamic identity based authentication protocol for multi-server architecture

Preprint English OPEN
Han, Weiwei;
(2012)
  • Subject: Computer Science - Cryptography and Security
    acm: Data_MISCELLANEOUS

Recently, Li et al. proposed a dynamic identity based authentication protocol for multi-server architecture. They claimed their protocol is secure and can withstand various attacks. But we found some security loopholes in the protocol. Accordingly, the current paper dem... View more
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