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    Broadcast-enhanced key predistribution schemes

    Kendall, M. and Martin, K.M. and Ng, S.-L. and Paterson, Maura B. and Stinson, D.R. (2014) Broadcast-enhanced key predistribution schemes. ACM Transactions on Sensor Networks 11 (1), 6:1-6:33. ISSN 1550-4859.

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    Abstract

    We present a formalisation of a category of schemes that we refer to as broadcast-enhanced key predistribution schemes (BEKPSs). These schemes are suitable for networks with access to a trusted base station and an authenticated broadcast channel. We demonstrate that the access to these extra resources allows for the creation of BEKPSs with advantages over key predistribution schemes such as flexibility and more efficient revocation. There are many possible ways to implement BEKPSs, and we propose a framework for describing and analysing them. In their paper “From Key Predistribution to Key Redistribution,” Cichoń et al. [2010] propose a scheme for “redistributing” keys to a wireless sensor network using a broadcast channel after an initial key predistribution. We classify this as a BEKPS and analyse it in that context. We provide simpler proofs of some results from their paper, give a precise analysis of the resilience of their scheme, and discuss possible modifications. We then study two scenarios where BEKPSs may be particularly desirable and propose a suitable family of BEKPSs for each case. We demonstrate that they are practical and efficient to implement, and our analysis shows their effectiveness in achieving suitable trade-offs between the conflicting priorities in resource-constrained networks.

    Metadata

    Item Type: Article
    Additional Information: © ACM, 2014. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in ACM Transactions on Sensor Networks, 11(1), November 2014, http://doi.acm.org/10.1145/2629661
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Computing and Mathematical Sciences
    Depositing User: Maura Paterson
    Date Deposited: 08 May 2015 08:12
    Last Modified: 09 Aug 2023 12:36
    URI: https://eprints.bbk.ac.uk/id/eprint/12068

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