A novel batch-based group key management protocol applied to the Internet of Things

Authors:  Luca Veltri, Simone Cirani, Stefano Busanelli, Gianluigi Ferrari

Abstract: 
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 endpoints. 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).

Keywords:
Internet of Things
Group key management
Security and privacy
Data aggregation

Published in: Ad Hoc Networks (Volume 11, Issue 8, January 2013)

Publisher: Elsevier

ISSN Information: 1570-8705

A novel batch-based group key management protocol applied to the Internet of Things

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