An ID-based authenticated key exchange protocol based on bilinear Diffie-Hellman problem

  • Authors:
  • Hai Huang;Zhenfu Cao

  • Affiliations:
  • Shanghai Jiaotong University;Shanghai Jiaotong University

  • Venue:
  • Proceedings of the 4th International Symposium on Information, Computer, and Communications Security
  • Year:
  • 2009

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Abstract

In this paper, we present a new ID-based two-party authenticated key exchange (AKE) protocol, which makes use of a new technique called twin Diffie-Hellman problem proposed by Cash, Kiltz and Shoup. We show that our scheme is secure under bilinear Diffie-Hellman (BDH) assumption in the enhanced Canetti-Krawczyk (eCK) model, which better supports the adversary's queries than previous AKE models. To the best of our knowledge, our scheme is the first ID-based AKE protocol provably secure in eCK model.