Fault-tolerant and Scalable Key Management Protocol for IoT-based Collaborative Groups

Mohammed Riyadh Abdmeziem 1 François Charoy 1
1 COAST - Web Scale Trustworthy Collaborative Service Systems
Inria Nancy - Grand Est, LORIA - NSS - Department of Networks, Systems and Services
Abstract : Securing collaborative applications relies heavily on the underlying group key management protocols. Designing these protocols is challenging, especially in the context of the Internet of Things (IoT). Indeed, the presence of heterogeneous and dynamic members within the collaborative groups usually involves resource constrained entities, which require energy-aware protocols to manage frequent arrivals and departures of members. Moreover, both fault tolerance and scalability are sought for sensitive and large collaborative groups. To address these challenges, we propose to enhance our previously proposed protocol (i.e. DBGK) with polynomial computations. In fact, our contribution in this paper, allows additional controllers to be included with no impact on storage cost regarding constrained members. To assess our protocol called DsBGK, we conducted extensive simulations. Results confirmed that DsBGK achieves a better scalability and fault tolerance compared to DBGK. In addition, energy consumption induced by group key rekeying has been reduced.
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Mohammed Riyadh Abdmeziem, François Charoy. Fault-tolerant and Scalable Key Management Protocol for IoT-based Collaborative Groups. 13th EAI International Conference on Security and Privacy in Communication Networks Proceedings, Oct 2017, Niagara falls, Canada. ⟨hal-01588490v1⟩

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