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Randomized partial checking revisited
KTH, School of Computer Science and Communication (CSC), Theoretical Computer Science, TCS.
KTH, School of Computer Science and Communication (CSC), Theoretical Computer Science, TCS.ORCID iD: 0000-0003-4157-1371
2013 (English)In: Lect. Notes Comput. Sci., 2013, 115-128 p.Conference paper, Published paper (Refereed)
Abstract [en]

We study mix-nets with randomized partial checking (RPC) as proposed by Jakobsson, Juels, and Rivest (2002). RPC is a technique to verify the correctness of an execution both for Chaumian and homomorphic mix-nets. The idea is to relax the correctness and privacy requirements to achieve a more efficient mix-net. We identify serious issues in the original description of mix-nets with RPC and show how to exploit these to break both correctness and privacy, both for Chaumian and homomorphic mix-nets. Our attacks are practical and applicable to real world mix-net implementations, e.g., the Civitas and the Scantegrity voting systems.

Place, publisher, year, edition, pages
2013. 115-128 p.
Series
Lecture Notes in Computer Science, ISSN 0302-9743 ; 7779
Keyword [en]
Mix-net, Privacy requirements, Voting systems, Cryptography, Voting machines, Computerized tomography
National Category
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-134682DOI: 10.1007/978-3-642-36095-4_8Scopus ID: 2-s2.0-84874341037ISBN: 9783642360947 (print)OAI: oai:DiVA.org:kth-134682DiVA: diva2:677076
Conference
Cryptographers' Track at the RSA Conference 2013, CT-RSA 2013, 25 February 2013 through 1 March 2013, San Francisco, CA
Note

QC 20131209

Available from: 2013-12-09 Created: 2013-11-27 Last updated: 2013-12-09Bibliographically approved

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Wikström, Douglas

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf