Selectio Helvetica



Selectio Helvetica (SH) is a project aiming at developing trustworthy e-voting software that complies with critical security and transparency requirements. It is conducted in co-operation with the University of Fribourg and the Swiss E-Voting Competence Center.

Our product SH light is currenty incorporated by the e-voting platform We are in the process of developing the product SH.


SH light: Overview
A short description of the SH light protocol (in German)
Adobe Acrobat Document 28.4 KB
SH light: Description
Description of SH light and an outlook on SH
Adobe Acrobat Document 71.6 KB

For a more precise technical description of the SH protocol, we refer to our ISSA'11-paper. A general paper on Selectio Helvetica is accepted for publication at the CeDEM'11 conference.


For information on Selectio Helvetica, its products and partner projects, please contact Oliver Spycher (Project Leader).


March 2nd, 2023

OpenCHVote v1.3 released on 

July 11th, 2023

Paper on"An Alternative Group for Applications of ElGamal in Cryptographic Protocols" accepted for publication at E-Vote-ID 2023.

February 9th, 2023

Paper on"Private Internet Voting on Untrusted Voting Devices" accepted for publication at the Voting'23 workshop.