Analysis of the End-by-Hop Protocol for Secure Aggregation in Sensor Networks

Erik Zenner

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    In order to save bandwidth and thus battery power, sensor network measurements are sometimes aggregated en-route while being reported back to the querying server. Authentication of the measurements then becomes a challenge if message integrity is important for the application. At ESAS 2007, the End-by-Hop protocol for securing in-network aggregation for sensor nodes was presented. The solution was claimed to be secure and efficient and to provide the possibility of trading off bandwidth against computation time on the server. In this paper, we disprove these claims. We describe several attacks against the proposed solution and point out shortcomings in the original complexity analysis. In particular, we show that the proposed solution is inferior to a naive solution without in-network aggregation both in security and in efficiency.
    Original languageEnglish
    Place of PublicationKgs. Lyngby, Denmark
    PublisherTechnical University of Denmark
    Publication statusPublished - 2009
    SeriesMAT report


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