Eos a Universal Verifiable and Coercion Resistant Voting Protocol

Stefan Patachi, Carsten Schürmann

    Research output: Conference Article in Proceeding or Book/Report chapterArticle in proceedingsResearchpeer-review

    Abstract

    We present the voting protocol Eos that is based on a conditional linkable ring signatures scheme. Voters are organized in rings allowing them to sign votes anonymously. Voters may assume multiple pseudo identities, one of which is legitimate. We use the others to signal coercion to the Election Authority. Eos uses two mixing phases with the goal to break the connection between the voter and vote, not to preserve vote privacy (which is given already) but to guarantee coercion resistance by making it (nearly) impossible for a coercer to follow their vote through the bulletin board. Eos is universally verifiable.
    Original languageEnglish
    Title of host publicationElectronic Voting : Second International Joint Conference, E-Vote-ID 2017, Bregenz, Austria, October 24-27, 2017, Proceedings
    Number of pages17
    Place of PublicationBregenz/Lochau
    PublisherSpringer
    Publication date2017
    Pages210-227
    ISBN (Print)978-3-319-68686-8
    ISBN (Electronic)978-3-319-68687-5
    DOIs
    Publication statusPublished - 2017
    SeriesLecture Notes in Computer Science
    Volume10615
    ISSN0302-9743

    Keywords

    • Conditional Linkable Ring Signatures
    • Anonymous Voting
    • Coercion Resistance
    • Mixing Phases
    • Universal Verifiability

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