Overall Objectives
Research Program
Application Domains
Highlights of the Year
New Software and Platforms
New Results
Bilateral Contracts and Grants with Industry
Partnerships and Cooperations
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Section: New Software and Platforms


Belenios - Verifiable online voting system

Keyword: E-voting

Functional Description

In collaboration with the Cassis team, we develop an open-source private and verifiable electronic voting protocol, named Belenios . Our system is an evolution of an existing system, Helios, developed by Ben Adida, and used e.g., by UCL and the IACR association in real elections. The main differences with Helios are the following ones:

This new version has been implemented by Stéphane Glondu ( ). The first public release has been done in January 2014. Belenios has been used in Sep 2015 for the election of the new leader of the GT-C2 (Groupe de Travail Codes et Cryptographie) which is part of the GdR-IM (Groupement de Recherche Informatique Mathématique). The GT calcul formel of the GdR-IM plans to use Belenios in 2016 for the election of its new leader.

An online platform ( ) has been released in September 2015, so that setting up a new election can be done entirely from within a browser.