A simple group diffie-hellman key agreement protocol without member serialization

Authors:
Xukai Zou;Byrav Ramamurthy
Affiliations:
Purdue University School of Science at Indianapolis, Indianapolis, IN;University of Nebraska-Lincoln, Lincoln, NE
Venue:
CIS'04 Proceedings of the First international conference on Computational and Information Science
Year:
2004

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Abstract

Many group key agreement protocols (GKA) for secure group communication (SGC) based on the Diffie-Hellman key exchange principle have been proposed in literature. All of these protocols require member serialization and/or existence of a central entity. In this paper, we propose a simple group Diffie-Hellman key agreement protocol which removes these two limitations. Moreover, the new protocol needs minimum (two) rounds of rekeying process and efficiently support high dynamics.