A novel dual-key management protocol based on a hierarchical multicast infrastructure in mobile internet
by Jiannong Cao, Lin Liao, Guojun Wang, Hao Ma, Bin Xiao
International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC), Vol. 4, No. 3/4, 2009

Abstract: This paper describes a secure multicast infrastructure for large-scale group communication in mobile Internet and proposes a key management protocol based on it. The hierarchical infrastructure logically divides the key management domain into several smaller administratively scoped areas with a key server associated with each area respectively. All the key servers located in every area participate in a Public Key Infrastructure (PKI) as trusted entities known by the subgroup members. Therefore, it is efficient to minimise the re-keying overhead implemented in the mobile host tier and simplify the re-keying relationships between the distributed key servers.

Online publication date: Wed, 08-Apr-2009

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