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Formal Treatment of Distributed Trust in Electronic Voting

Neumann, Stephan; Volkamer, Melanie

Electronic voting systems are among the most security critical distributed systems. Different trust concepts are implemented to mitigate the risk of conspiracies endangering security properties. These concepts render systems often very complex and end users no longer recognize whom they need to trust. Correspondingly, specific trust considerations are necessary to support users. Recently, resilience terms have been proposed in order to express, which entities can violate the addressed security properties in particular by illegal collaborations. However, previous works derived these resilience terms manually. Thus, successful attacks can be missed. Based on this approach, we propose a framework to formally and automatically derive these terms. Our framework comprises a knowledge calculus, which allows us to model knowledge and reason about knowledge of collaborating election entities. The introduced framework is applied to deduce previously manually derived resilience terms of three remote electronic voting systems, namely Polyas, Helios and the Estonian voting system. Thereby, we were able to discover mistakes in previous derivation ... mehr

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Postprint §
DOI: 10.5445/IR/1000082064
Veröffentlicht am 19.07.2018
Zugehörige Institution(en) am KIT Institut für Angewandte Informatik und Formale Beschreibungsverfahren (AIFB)
Institut für Angewandte Geowissenschaften (AGW)
Kompetenzzentrum für angewandte Sicherheitstechnologie (KASTEL)
Publikationstyp Proceedingsbeitrag
Jahr 2012
Sprache Englisch
Identifikator ISBN: 978-1-61208-201-1
KITopen-ID: 1000082064
Erschienen in ICIMP 2012 : the Seventh International Conference on Internet Monitoring and Protection : May 27-June 1, 2012, Stuttgart, Germany / ICIMP 2012 editors: Arno Wagner
Verlag IARIA, Wilmington, DE, USA
Seiten 10 S.
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