An improved popescu's authenticated key agreement protocol

Authors:
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
Venue:
ICCSA'06 Proceedings of the 2006 international conference on Computational Science and Its Applications - Volume Part V
Year:
2006

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Abstract

In 2004, Popescu proposed an efficient and secure key agreement protocol based on the Diffie-Hellman key agreement, which works in an elliptic curve group. The protocol, however, is still susceptible to a key-compromise impersonation attack, a reflection attack, and a replay attack. Accordingly, the current paper demonstrates the vulnerability of Popescu's protocol against such attacks and then an improved protocol is presented in order to resolve such problems.