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Auflistung nach Autor:in "Dubuis, Eric"

1 - 3 von 3
  • Konferenzbeitrag
    Coercion-resistant hybrid voting systems
    (4th International Conference on Electronic Voting 2010, 2010) Spycher, Oliver; Haenni, Rolf; Dubuis, Eric
    This paper proposes hybrid voting systems as a solution for the vote buying and voter coercion problem of electronic voting systems. The key idea is to allow voters to revoke and overrule their electronic votes at the polling station. We analyze the potential and pitfalls of such revocation procedures and give concrete recommendations on how to build a hybrid system offering coercion-resistance based on this feature. Our solution may be of interest to governments, which aim at integrating paper-based and electronic voting systems rather than replacing the former by the latter.
  • Konferenzbeitrag
    Verifizierbare Internet-Wahlen an Schweizer Hochschulen mit UniVote
    (INFORMATIK 2013 – Informatik angepasst an Mensch, Organisation und Umwelt, 2013) Dubuis, Eric; Fischli, Stephan; Haenni, Rolf; Hauser, Severin; Koenig, Reto E.; Locher, Philipp; Ritter, J.; Bergen, Philémon von
    Dieser Bericht dokumentiert den erstmaligen Einsatz des Internet-Wahlsystems UniVote anlässlich der Wahl des Studierendenrats an drei Schweizer Hochschulen im Frühling 2013. Mittels kryptographischer Methoden garantiert UniVote eine anonyme und geheime Stimmabgabe und ermöglicht gleichzeitig die Verifizierung des Wahlresultats durch Dritte mittels unabhängiger Software. Dazu werden sämtliche Wahldaten veröffentlicht.
  • Konferenzbeitrag
    Why public registration boards are required in E-voting systems based on threshold blind signature protocols
    (4th International Conference on Electronic Voting 2010, 2010) Koenig, Reto E.; Dubuis, Eric; Haenni, Rolf
    In this paper, we demonstrate that e-voting protocols based on threshold blind signatures from multiple authorities allow a coalition of eligible voters to cast more than votes. This property presents a serious violation of the principles of democracy in the voting process. We analyze the applicability of this violation and provide a generic solution using a public registration board and modified threshold signature schemes.