Security

Uncoercibility in E-Voting and Eauctioning Mechanisms Using Deniable Encryption

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Executive Summary

The uncoercibility to prevent rigging in e-voting and e-auction have been studied in different literatures. It is realized that the notion of a virtual booth and untappable channel are required to prevent coerciveness. Virtual booth protects the candidates to cast their private values without being observed by the adversary/coercer. However the adversary can influence the candidates after their casting. Adversary used to acquire the encrypted votes/bids either from the colluded authorities (voting server, auctioneer) or by eavesdropping the communicating channel and coerces the candidates to disclose their private values with the private keys and verifies whether the ciphers are the encryption of the private values.

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