Provably secure tripartite password protected key exchange protocol based on elliptic curves

Authors:
Sanggon Lee;Yvonne Hitchcock;Youngho Park;Sangjae Moon
Affiliations:
Division of Internet Engineering, Dongseo University, Busan, Korea;Information Security Institute, Queensland University of Technology, Brisbane, Australia;School of Electronics and Electrical Engineering, Sangju National University, Sangju-si, Gyeongsangbuk-do, Korea;School of Electrical Engineering and Computer Science, Kyungpook National University, Daegu, Korea
Venue:
SAC'05 Proceedings of the 12th international conference on Selected Areas in Cryptography
Year:
2005

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Abstract

Joux's tripartite key agreement protocol is one of the most prominent developments in the area of key agreement. Although certificate-based and ID-based authentication schemes have been proposed to provide authentication for Joux's protocol, no provably secure password-based one round tripartite key agreement protocol has been proposed yet. We propose a secure one round password-based tripartite key agreement protocol that builds on Joux's protocol and adapts PAK-EC scheme for password-based authentication, and present a proof of its security.