Novel and Efficient Identity-Based Authenticated Key Agreement Protocols from Weil Pairings

  • Authors:
  • Hua Guo;Yi Mu;Xiyong Zhang;Zhoujun Li

  • Affiliations:
  • School of Computer Science Software Engineering, University of Wollongong, Australia 2522 and School of Computer Science & Engineering, Beihang University, Beijing, PRC 100083;School of Computer Science Software Engineering, University of Wollongong, Australia 2522;Zhengzhou Information Science and Technology Institute, Zhengzhou, PRC 450002;School of Computer Science & Engineering, Beihang University, Beijing, PRC 100083

  • Venue:
  • UIC '09 Proceedings of the 6th International Conference on Ubiquitous Intelligence and Computing
  • Year:
  • 2009

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Abstract

It is often a challenging task to make a system satisfy desirable security properties and maintain a low computational overhead. In this paper, we attempt to minimize the gap for two identity-based key agreement protocols, in the sense that we allow our key agreement protocols to satisfy all general desirable security properties including master-key forward security and in the meanwhile achieve a good computational efficiency. Our protocols are novel, since we are able to make use of several nice algebraic properties of the Weil Pairing to outperform other state-of-the-art key agreement protocols. To our knowledge, our second protocol is the first identity-based protocol that provides master key forward security and satisfies all basic desirable security properties based on the key extraction algorithm due to Sakai and Kasahara.