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Article #936

Re: Cryptographic voting

#936
From: Gordon Burditt
Date: Thu, 20 Aug 1992 23:49
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>The problem is much trickier than might appear at first sight.  In
>addition to privacy, two important requirements in a practical voting
>scheme are verifiability and robustness.  Verifiability means that all
>voters can verify that the votes were counted correctly.  Robustness
>means that no small group of participants can invalidate the election,
>disenfranchise valid voters, or otherwise have greater influence over
>the outcome than their alloted votes would allow.  

Another property of the current voting system (except for absentee
ballots) is that voter A cannot conspire with candidate B to
have A prove to B how A voted.  In the current system, B can bribe
A to vote for him, but B can't get a guarantee that A didn't cheat
and vote for someone else (except in the unlikely event that B
doesn't get ANY votes).  It's probably impossible to do this
with electronic voting, since A will voluntarily let B listen to
*ALL* of his communications.  The only thing preventing this in
the current system is that A can't take B into the voting booth with
him.

					Gordon L. Burditt
					sneaky.lonestar.org!gordon
Technical Details
Message-ID: <1992Aug20.234937.3380@sneaky.lonestar.org>
Path: arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!eff!news.oc.com!utacfd.uta.edu!rwsys!sneaky!gordon
References: <9208162214.AA21945@news.cis.ohio-state.edu> <1992Aug18.183055.26594@cs.yale.edu>

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Newsgroups: sci.crypt
Path: arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!eff!news.oc.com!utacfd.uta.edu!rwsys!sneaky!gordon
From: gordon@sneaky.lonestar.org (Gordon Burditt)
Subject: Re: Cryptographic voting
Message-ID: <1992Aug20.234937.3380@sneaky.lonestar.org>
Organization: Gordon Burditt
References: <9208162214.AA21945@news.cis.ohio-state.edu> <1992Aug18.183055.26594@cs.yale.edu>
Date: Thu, 20 Aug 1992 23:49:37 GMT
Lines: 21