Article in Journal ART-2013-02

BibliographyWernke, Marius; Dürr, Frank; Rothermel, Kurt: PShare: Ensuring location privacy in non-trusted systems through multi-secret sharing.
In: Pervasive and Mobile Computing.
University of Stuttgart, Faculty of Computer Science, Electrical Engineering, and Information Technology.
pp. 1-17, english.
Elsevier, February 2013.
DOI: 10.1016/j.pmcj.2013.01.001.
Article in Journal.
CR-SchemaC.2.4 (Distributed Systems)
KeywordsLocation-based applications; Privacy; Position sharing; Location management

Location-based applications such as Facebook Places, Foursquare, or Loopt typically use location services to manage mobile object positions. However, exposing precise user positions raises user privacy concerns, especially if location service providers are not fully trusted. To enable the secure management of private user positions in non-trusted systems, we present two novel position sharing approaches based on the concept of multi-secret sharing. We improve existing geometric position sharing approaches [1, 2] by considering continuous position updates and by increasing the robustness against various attacks. Furthermore, we present the first position sharing approach for symbolic location models.

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Copyright© 2013 Elsevier
Department(s)University of Stuttgart, Institute of Parallel and Distributed Systems, Distributed Systems
Entry dateFebruary 12, 2013
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