Re: Vote verification --- a futile exercise?
On Wed, 2002-04-03 at 12:48, John H. Robinson, IV wrote:
> On Wed, Apr 03, 2002 at 12:16:18AM -0500, Anthony DeRobertis wrote:
> >
> > 5) Each voter can verify the correctness of his vote
> > 8) No voter can prove to another person how he voted.
>
> these two seem mutually exclusive.
>
> if you can prove your own vote, how could you possibly not be able to
> prove that vote to another person?
You don't have to prove to yourself that you voted for, say, Raphael;
the only proof you need for your own vote is that it was tallied
properly.
OTOH, other people have no way of knowing for certain that you voted for
Raphael without an external source of information. Goal 8 seeks to
remove as many of those external sources as possible.
It's theoretically possible to satisfy both goals at once. (Whether
it's practically possible is another matter; it's been a while since
I've real _Applied Cryptography_.)
[Any resemblence to actual votes, real or imagined, is purely
coincidental.]
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