Non-interactive deniable authentication protocols

  • Authors:
  • Haibo Tian;Xiaofeng Chen;Zhengtao Jiang

  • Affiliations:
  • School of Information Science and Technology, Sun Yat-Sen University, Guangzhou, China;School of Telecommunications Engineering, Xidian University, Xi'an, China;School of Computer, Communication University of China, Beijing, China

  • Venue:
  • Inscrypt'11 Proceedings of the 7th international conference on Information Security and Cryptology
  • Year:
  • 2011

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Abstract

This paper gives a security model for non-interactive deniable authentication (NIDA) protocols. This model captures a session-state-reveal attack and a key-compromise-impersonation attack. We analyze some NIDA protocols in the model, and we find that no one is satisfactory. We give a new paradigm to construct an NIDA protocol, which is provably secure in the model.