Local key management in opportunistic networks
by Abdullatif Shikfa; Melek Önen; Refik Molva
International Journal of Communication Networks and Distributed Systems (IJCNDS), Vol. 9, No. 1/2, 2012

Abstract: Opportunistic networks are a new and specific type of mobile peer-to-peer networks where end-to-end connectivity cannot be assumed. These networks present compelling challenges, especially from a security perspective, as interactive protocols are infeasible in such environments. In this article, we focus on the problem of key management in the framework of content-based forwarding and opportunistic networks. After analysing this issue and identifying specific security threats such as Sybil attacks, we propose a specific key management scheme that enables the bootstrapping of local, topology-dependent security associations between a node and its neighbours along with the discovery of the neighbourhood topology, thanks to the use of pseudonym certificates and encapsulated signatures.

Online publication date:: Sat, 30-Aug-2014

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