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NetVote: A strict-coercion resistance re-voting based internet voting scheme with linear filtering

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dc.affiliation.dptoUC3M. Departamento de Informáticaes
dc.contributor.authorQuerejeta Azurmendi, Íñigo
dc.contributor.authorArroyo Guardeño, David
dc.contributor.authorLópez Hernández Ardieta, Jorge
dc.contributor.authorHernández Encinas, Luis
dc.contributor.funderComunidad de Madrides
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2023-07-24T12:09:02Z
dc.date.available2023-07-24T12:09:02Z
dc.date.issued2020-09
dc.descriptionThis paper is an extended of: Querejeta-Azurmendi, I.; Hernández Encinas, L.; Arroyo Guardeño, D.; Hernandez-Ardieta, J.L. An internet voting proposal towards improving usability and coercion resistance. Proceedings of the International Joint Conference: 12th International Conference on Computational Intelligence in Security for Information Systems (CISIS 2019) and 10th International Conference on EUropean Transnational Education (ICEUTE 2019), Seville, Spain, 13-15 May 2019.en
dc.description.abstractThis paper proposes NetVote, an internet voting protocol where usability and ease in deployment are a priority. We introduce the notion of strict coercion resistance, to distinguish between vote-buying and coercion resistance. We propose a protocol with ballot secrecy, practical everlasting privacy, verifiability and strict coercion resistance in the re-voting setting. Coercion is mitigated via a random dummy vote padding strategy to hide voting patterns and make re-voting deniable. This allows us to build a filtering phase with linear complexity, based on zero knowledge proofs to ensure correctness while maintaining privacy of the process. Voting tokens are formed by anonymous credentials and pseudorandom identifiers, achieving practical everlasting privacy, where even if dealing with a future computationally unbounded adversary, vote intention is still hidden. It is not assumed for voters to own cryptographic keys prior to the election, nor store cryptographic material during the election. This property allows voters not only to vote multiple times, but also from different devices each time, granting the voter a vote-from-anywhere experience. This paper builds on top of the paper published in CISIS'19. In this version, we modify the filtering. Moreover, we formally define the padding technique, which allows us to perform the linear filtering scheme. Similarly we provide more details on the protocol itself and include a section of the security analysis, where we include the formal definitions of strict coercion resistance and a game based definition of practical everlasting privacy. Finally, we prove that NetVote satisfies them all.en
dc.description.sponsorshipThis research has been partially supported by Ministerio de Economía, Industria y Competitividad (MINECO), Agencia Estatal de Investigación (AEI), and European Regional Development Fund (ERDF, EU), through project COPCIS, grant number TIN2017-84844-C2-1-R, and by Comunidad de Madrid (Spain) through project CYNAMON, grant number P2018/TCS-4566-CM, co-funded along with ERDF.en
dc.format.extent29
dc.identifier.bibliographicCitationQuerejeta-Azurmendi, I., Arroyo, D., Hernández-Ardieta, J. L., & Encinas, L. H. (2020). NetVote: A Strict-Coercion Resistance Re-Voting Based Internet Voting Scheme with Linear Filtering. Mathematics, 8(9), 1618.en
dc.identifier.doihttps://doi.org/10.3390/math8091618
dc.identifier.issn2227-7390
dc.identifier.publicationfirstpage1
dc.identifier.publicationissue9, 1618
dc.identifier.publicationlastpage29
dc.identifier.publicationtitleMathematicsen
dc.identifier.publicationvolume8
dc.identifier.urihttps://hdl.handle.net/10016/37974
dc.identifier.uxxiAR/0000027474
dc.language.isoengen
dc.publisherMDPIen
dc.relation.projectIDGobierno de España. TIN2017-84844-C2-1-Res
dc.relation.projectIDComunidad de Madrid. P2018/TCS-4566-CMes
dc.rights© 2020 by the authors.en
dc.rightsAtribución 3.0 España*
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.subject.ecienciaInformáticaes
dc.subject.otherCoercion-resistanceen
dc.subject.otherData privacyen
dc.subject.otherHomomorphic encryptionen
dc.subject.otherInternet votingen
dc.subject.otherUsabilityen
dc.subject.otherZero knowledgeen
dc.titleNetVote: A strict-coercion resistance re-voting based internet voting scheme with linear filteringen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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