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Towards A Practical JCJ / Civitas Implementation

Neumann, Stephan and Feier, Christian and Volkamer, Melanie and Koenig, Reto (2013):
Towards A Practical JCJ / Civitas Implementation.
In: Cryptology ePrint Archive, (464), 2013. International Association for Cryptologic Research (IACR), pp. 1-12, [Article]

Abstract

Internet voting continues to enjoy wide interest from both research and practice. Among the Internet voting schemes developed over the last decades, JCJ / Civitas stands out from the masses due to its innovative approach to resist voter coercion. To achieve its ambitious goal, the scheme builds upon particularly restrictive assumptions and an abstract credential handling rendering the scheme impractical for real-world use. At ARES 2012, Neumann and Volkamer presented a proposal which implements several of these assumptions (voter-side assumptions) and the credential handling by the use of smart cards. While addressing these practical shortcomings of JCJ / Civitas, their proposal did not take performance into account, and accordingly its performance has not been evaluated. In the present work, we revise the ARES proposal from a performance perspective in a security-invariant manner. Based on the herein proposed revisions, we are able to conclude that the revised ARES proposal is feasible to be used in real-world elections.

Item Type: Article
Erschienen: 2013
Creators: Neumann, Stephan and Feier, Christian and Volkamer, Melanie and Koenig, Reto
Title: Towards A Practical JCJ / Civitas Implementation
Language: English
Abstract:

Internet voting continues to enjoy wide interest from both research and practice. Among the Internet voting schemes developed over the last decades, JCJ / Civitas stands out from the masses due to its innovative approach to resist voter coercion. To achieve its ambitious goal, the scheme builds upon particularly restrictive assumptions and an abstract credential handling rendering the scheme impractical for real-world use. At ARES 2012, Neumann and Volkamer presented a proposal which implements several of these assumptions (voter-side assumptions) and the credential handling by the use of smart cards. While addressing these practical shortcomings of JCJ / Civitas, their proposal did not take performance into account, and accordingly its performance has not been evaluated. In the present work, we revise the ARES proposal from a performance perspective in a security-invariant manner. Based on the herein proposed revisions, we are able to conclude that the revised ARES proposal is feasible to be used in real-world elections.

Journal or Publication Title: Cryptology ePrint Archive
Journal volume: 2013
Number: 464
Publisher: International Association for Cryptologic Research (IACR)
Uncontrolled Keywords: Security, Usability and Society;Secure Data;Internet-Wahlen, Wahlautomaten, politische Kontroverse, technisches Design, Sicherheitsanforderungen, rechtliche, soziale, politische, ökonomische Aspekte
Divisions: 20 Department of Computer Science
20 Department of Computer Science > SECUSO - Security, Usability and Society
Profile Areas
Profile Areas > Cybersecurity (CYSEC)
LOEWE
LOEWE > LOEWE-Zentren
LOEWE > LOEWE-Zentren > CASED – Center for Advanced Security Research Darmstadt
Date Deposited: 28 Jul 2016 18:35
Identification Number: TUD-CS-2013-0214
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