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In this paper we consider the problem of how entities operating under distinct roots of trust in a coalition environment can flexibly and securely communicate with one another. We consider the identity-based setting, with each entity being pre-configured with a private key from a particular trusted authority (TA), but where multiple, independent TAs are involved in the coalition. Our solution to the...
Since group communication is an upcoming technology, research on secure multicasting has been attracting wide attention. In this context, the already proven PLEASE, p' LEAder SElection model has much to contribute to the security and key management of the multicast group communication. In this paper, the PLEASE model is mathematically compared with other well-known group key management protocols like...
Mobile ad hoc networks are infrastructure-free, pervasive, ubiquitous and without any centralized authority. These unique characteristics, combined with security threats, demand solutions for securing ad hoc networks prior to their deployment in commercial and military applications. So far, the research in mobile ad hoc network has been primarily focused on routing and mobility aspects rather than...
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