An efficient ID-based authenticated key agreement protocol with pairings

  • Authors:

  • Jai-Boo Oh;Eun-Jun Yoon;Kee-Young Yoo

  • Affiliations:

  • Department of Computer Engineering, Kyungpook National University, Daegu, South Korea;Department of Computer Engineering, Kyungpook National University, Daegu, South Korea;Department of Computer Engineering, Kyungpook National University, Daegu, South Korea

  • Venue:
  • ISPA'07 Proceedings of the 5th international conference on Parallel and Distributed Processing and Applications
  • Year:
  • 2007

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Abstract

In 2003, Shim proposed an efficient ID-based authenticated key agreement protocol based on Weil pairings [1]. Sun et al. raised the potential of a man-in-the-middle attack in [2]. In 2004, Ryu et al. proposed an efficient IDbased authenticated key agreement protocol from pairings [3]. In 2005, however, Boyd et al. noted security problems of Ryu et al.'s protocol in [4]. In 2005, Yuan et al. also pointed out the same weakness [5] in Ryu et al.'s protocol. Then, they proposed a new protocol that combines Ryu et al.'s protocol with Shim's protocol. In this paper, we demonstrate that Shim's protocol does not provide KGC forward secrecy, then we propose a more efficient and secure protocol which does provide such security. As a result, our protocol does not need an additional ECC point-addition unlike Yuan et al.'s protocol and our's can generate two secure session key to perform the secure message transmission.