Efficient Vote Validity Check in Homomorphic Electronic Voting

  • Authors:
  • Kun Peng;Feng Bao

  • Affiliations:
  • Institute for Infocomm Research, Singapore;Institute for Infocomm Research, Singapore

  • Venue:
  • Information Security and Cryptology --- ICISC 2008
  • Year:
  • 2009

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Abstract

Homomorphic electronic voting is very popular but has an efficiency bottleneck: vote validity check, which limits application of e-voting, especially in large-scale elections. In this paper two efficient vote validity check mechanisms are designed for homomorphic e-voting, both of which are much more efficient than the existing vote validity check procedures. Especially, the second vote validity check mechanism is flexible, honest-verifier zero knowledge and highly efficient. With the technique, efficiency of homomorphic e-voting is greatly improved and can be employed in election applications with more critical requirement on performance.