Self-certified mutual authentication and key exchange protocol for roaming services

  • Authors:
  • Xiaowen Chu;Yixin Jiang;Chuang Lin;Fujun Feng

  • Affiliations:
  • Department of Computer Science, Hong Kong Baptist University, Hong Kong, P.R. China;Department of Computer Science and Technology, Tsinghua University, Beijing, P.R. China;Department of Computer Science and Technology, Tsinghua University, Beijing, P.R. China;Department of Computer Science and Technology, Tsinghua University, Beijing, P.R. China

  • Venue:
  • ATC'06 Proceedings of the Third international conference on Autonomic and Trusted Computing
  • Year:
  • 2006

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Abstract

In this paper, based on self-certified mechanism, we propose a novel mutual authentication and key exchange protocol for roaming services in the global mobility network. The main new features included in the proposed protocol are (1) identity anonymity, which protects location privacy of mobile users in the roaming network environment; (2) one-time session key renewal, which frequently updates the session key for mobile users and hence reduces the risk of using a compromised session key to communicate with the visited network. The performance analysis shows that the computational complexity of our protocol is low and suitable to be used on mobile equipments.