Journal on Communications ›› 2018, Vol. 39 ›› Issue (2): 21-30.doi: 10.11959/j.issn.1000-436x.2018021

• Papers • Previous Articles     Next Articles

Three-party password authenticated key agreement protocol with user anonymity based on lattice

Caifen WANG,Li CHEN   

  1. College of Computer Science and Engineering,Northwest Normal University,Lanzhou 730070,China
  • Revised:2018-01-17 Online:2018-02-01 Published:2018-03-28
  • Supported by:
    The National Natural Science Foundation of China(61662069);The National Natural Science Foundation of China(61562077);The National Natural Science Foundation of China(61662071);The Foundation for Excellent Young Teachers by Northwest Normal University(NWNU-LKQN-14-7)

Abstract:

With the rapid development of quantum theory and the existence of polynomial algorithm in quantum computation based on discrete logarithm problem and large integer decomposition problem,the security of the algorithm was seriously threatened.Therefore,two authentication key agreement protocols were proposed rely on ring-learning-with-error (RLWE) assumption including lattice-based implicit authentication key agreement scheme and lattice-based explicit authentication key agreement scheme and proved its security.The implicit authentication key agreement protocol is less to communicate and faster to authentication,the explicit authentication key agreement protocol is more to secure.At the same time,bidirectional authentication of users and servers can resist unpredictable online dictionary attacks.The new protocol has higher efficiency and shorter key length than other password authentication key agreement protocols.It can resist quantum attacks.Therefore,the protocol is efficient,secure,and suitable for large-scale network communication.

Key words: lattice-based cryptology, provably secure, password authentication, key exchange, ring-learning-with-error

CLC Number: 

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