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Introducing Proxy Voting to Helios

Kulyk, Oksana and Marky, Karola and Neumann, Stephan and Volkamer, Melanie (2016):
Introducing Proxy Voting to Helios.
In: 11th International Conference on Availability, Reliability and Security - ARES 2016, IEEE, Salzburg, DOI: 10.1109/ARES.2016.38,
[Conference or Workshop Item]

Abstract

Proxy voting is a form of voting, where the voters can either vote on an issue directly, or delegate their voting right to a proxy. This proxy might for instance be a trusted expert on the particular issue. In this work, we extend the widely studied end-to-end verifiable Helios Internet voting system towards the proxy voting approach. Therefore, we introduce a new type of credentials, so-called delegation credentials. The main purpose of these credentials is to ensure that the proxy has been authorised by an eligible voter to cast a delegated vote. If voters, after delegating, change their mind and want to vote directly, cancelling a delegation is possible throughout the entire voting phase. We show that the proposed extension preserves the security requirements of the original Helios system for the votes that are cast directly, as well as security requirements tailored toward proxy voting.

Item Type: Conference or Workshop Item
Erschienen: 2016
Creators: Kulyk, Oksana and Marky, Karola and Neumann, Stephan and Volkamer, Melanie
Title: Introducing Proxy Voting to Helios
Language: German
Abstract:

Proxy voting is a form of voting, where the voters can either vote on an issue directly, or delegate their voting right to a proxy. This proxy might for instance be a trusted expert on the particular issue. In this work, we extend the widely studied end-to-end verifiable Helios Internet voting system towards the proxy voting approach. Therefore, we introduce a new type of credentials, so-called delegation credentials. The main purpose of these credentials is to ensure that the proxy has been authorised by an eligible voter to cast a delegated vote. If voters, after delegating, change their mind and want to vote directly, cancelling a delegation is possible throughout the entire voting phase. We show that the proposed extension preserves the security requirements of the original Helios system for the votes that are cast directly, as well as security requirements tailored toward proxy voting.

Title of Book: 11th International Conference on Availability, Reliability and Security - ARES 2016
Publisher: IEEE
Uncontrolled Keywords: Security, Usability and Society;Secure Data
Divisions: 20 Department of Computer Science
20 Department of Computer Science > Theoretical Computer Science - Cryptography and Computer Algebra
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
Event Location: Salzburg
Date Deposited: 28 Jul 2016 18:35
DOI: 10.1109/ARES.2016.38
Identification Number: TUD-CS-2016-0120
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