Tree based conference key establishment cost analysis and minimization in heterogeneous networks
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A shared secret, conference key, must be established among members to securely communicate among them. The Diffie-Hellman is often used for the conference key establishment. In a heterogenous network, the participants have different resources. Therefore, different burden should be placed on different participants. However, most protocols did not address this problem. Wade Trappe et. al. addressed this problem considering the computational power minimization for Perrig protocol. In this paper, we will consider minimization of the cost with considering the transmission since transmission consumes most of the energy. A cost analysis and a minimum cost protocol with or without constraints are presented. Copyright 2006 CSREA Press.
Proceedings of the 2006 International Conference on Communications in Computing, CIC 2006
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