Candidate-resolved online voting protocol using distributed ElGamal Cryptosystem

  • Authors:
  • Sandeep Singh;Priyanka Ahlawat

  • Affiliations:
  • National Institute of Technology, Kurukshetra, Haryana, India;National Institute of Technology, Kurukshetra, Haryana, India

  • Venue:
  • Proceedings of the CUBE International Information Technology Conference
  • Year:
  • 2012

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Abstract

In this paper, we propose a protocol for voting in democratic election over internet which will utilize the concept of Distributed ElGamal Cryptosystem. We will mathematically show how ElGamal Cryptosystem can be used to split the decryption key into several pieces and distributing these pieces among candidates who are contesting the election. Each candidate will decrypt the vote by using his share of decryption key and then the final result will be obtained by combining the partially-decrypted vote. The active participation of candidates in decrypting the vote will increase the trust of the candidates on the voting system which will be a major breakthrough towards successful organisation of election over internet. Our protocol satisfies all the major requirements of an ideal voting protocol, such as security of votes and privacy of voters.