A Clustering-based Group Key Agreement Protocol for Ad-Hoc Networks

Efficient authenticated group key establishment is the pre-requirement for having group-wide encrypted communications in wireless ad hoc networks. Clustering has brought scalability to ad hoc networks in many ways, now we look at its benefits to group key agreement. In this paper, several solutions for authenticated key establishment in clustered ad hoc networks are surveyed and a new efficient solution for clustered group key establishment is presented. It is based on the AT-GDH and the Burmester-Desmedt broadcast group key protocols.