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Escrow-free certificate-based authenticated key agreement protocol from pairings

  • Published:
Wuhan University Journal of Natural Sciences

Abstract

Key agreement protocols are essential for secure communications. In this paper, to solve the inherent key escrow problem of identity-based cryptography, an escrow-free certificate-based authenticated key agreement (CB-AK) protocol with perfect forward secrecy is proposed. Our protocol makes use of pairings on elliptic curves. The protocol is described and its properties are discussed though comparison with Smart’s protocol.

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Authors and Affiliations

  1. School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China

    Wang Shengbao & Cao Zhenfu

Authors
  1. Wang Shengbao
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  2. Cao Zhenfu
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Corresponding author

Correspondence to Cao Zhenfu.

Additional information

Foundation item: Supported by the National Natural Science Foundation of China (60225007, 60572155) and the Science and Technology Research Project of Shanghai (04DZ07067)

Biography: WANG Shengbao (1978–), male, Ph.D. candidate, research direction: applied cryptography, network security.

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Wang, S., Cao, Z. Escrow-free certificate-based authenticated key agreement protocol from pairings. Wuhan Univ. J. of Nat. Sci. 12, 63–66 (2007). https://doi.org/10.1007/s11859-006-0189-8

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  • DOI: https://doi.org/10.1007/s11859-006-0189-8

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