Group key agreement protocol based on GH-KEP

Authors:
Mingxing He;Pingzhi Fan;Firoz Kaderali
Affiliations:
Xihua University, Chengdu, P.R. China;Southwest Jiaotong University, Chengdu, P.R. China;University of Hagen, Hagen, Germany
Venue:
PDCAT'04 Proceedings of the 5th international conference on Parallel and Distributed Computing: applications and Technologies
Year:
2004

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Abstract

An efficient group key agreement protocol is proposed based mainly on the 2-party GH key exchange scheme (GH-KEP) and the intractability of discrete logarithm of finite field GF(pr). It is shown that, compared with the existing DH-based protocols, the new protocol is computationally more efficient. The proposed protocol can be used to establish contributory group key for dynamical group communications such as ad-hoc networks.