Remotegrity: Design and Use of an End-to-End Verifiable Remote Voting System

In International Conference on Applied Cryptography and Network Security (ACNS), 2013

Filip Zagorski, Richard Carback, David Chaum, Jeremy Clark, Aleksander Essex, and Poorvi Vora

Abstract. We propose and implement a cryptographically end-to-end verifiable (E2E) remote voting system for absentee voters and report on its deployment in a binding municipal election in Takoma Park, Mary- land. Remotegrity is a hybrid mail/internet extension to the Scantegrity in-person voting system, enabling secure, electronic return of vote-by- mail ballots. It provides voters with the ability to detect unauthorized modifications to their cast ballots made by either malicious client soft- ware, or a corrupt election authority—two threats not previously studied in combination. Not only can the voter detect such changes, they can prove it to a third party without giving up ballot secrecy.

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