Journal
AD HOC NETWORKS
Volume 11, Issue 8, Pages 2724-2737Publisher
ELSEVIER
DOI: 10.1016/j.adhoc.2013.05.009
Keywords
Internet of Things; Group key management; Security and privacy; Data aggregation
Funding
- European Communitys Seventh Framework Programme [288879]
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Many applications for ad hoc networks are based on a point-to-multipoint (multicast) communication paradigm, where a single source sends common data to many receivers, or, inversely, on a multipoint-to-point communication paradigm, where multiple sources send data to a single receiver. In such scenarios, communication can be secured by adopting a common secret key, denoted as group key, shared by multiple communication end-points. In this work, we propose a novel centralized approach to efficiently distribute and manage a group key in generic ad hoc networks and Internet of Things, while reducing the computational overhead and network traffic due to group membership changes caused by users' joins and leaves. In particular, the proposed protocol takes advantage of two possible leave strategies: (i) at a pre-determined time selected when the user joins the group or (ii) at an unpredictable time, as in the case of membership revocation. The proposed protocol is applied to two following relevant scenarios: (i) secure data aggregation in Internet of Things (IoT) and (ii) Vehicle-to-Vehicle (V2V) communications in Vehicular Ad hoc Networks (VANETs). (C) 2013 Elsevier B.V. All rights reserved.
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