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[belenios-discuss] Complex trustee structures with web server


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  • From: Roberto Blanco <roberto.blanco AT mpi-sp.org>
  • To: belenios-discuss AT inria.fr
  • Subject: [belenios-discuss] Complex trustee structures with web server
  • Date: Mon, 25 Apr 2022 05:45:03 +0200
  • Authentication-results: mail3-smtp-sop.national.inria.fr; spf=None smtp.pra=roberto.blanco AT mpi-sp.org; spf=Pass smtp.mailfrom=roberto.blanco AT mpi-sp.org; spf=None smtp.helo=postmaster AT smtp.mpi-sp.org
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Dear Stéphane and all,

I am setting up Belenios for use in internal elections at MPI-SP, using
the latest 1.18 release, and seemingly running into a tricky use case.

As I understand it, the web server lets an election administrator manage
trustees in one of two ways: either as a collection of Single trustees
(by default) or as a single Pedersen group (by going into "threshold
mode"). For the elections I have in mind, the natural setup would be one
Pedersen group and a small number of Single trustees, but the web server
does not seem to support this kind of configuration, or in general more
than one Pedersen group. Is this observation correct?

If so, I would like to understand which parts of an election with this
more general structure can be safely handled by the web server, and
which need to be done through the command-line belenios-tool, if such a
split is feasible.

In the "worst case" I expect voting could be done through the web
interface, and setup and tally through belenios-tool. Do you foresee any
problems in doing so? This would at least be practical for voters but
cumbersome for trustees.

Ideally, the trustees would at least be able to submit their election
keys and manage their decryption tasks through the web interface, as we
also need non-technical people to be able to play this role. Is there
any way to do this at the moment, or is belenios-tool the only solution?

Best,
Roberto



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