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tl;dr: Separate the "voting machine" and "casting"
and use paper audit.
After a person selects their choice on a voting selection
machine (or smartphone etc...)
They go to the "casting machine", this casting machine
NFC to read your ballot setting and prints out the ballot
a roll at a "staging" view. If you accept, it will pass
and be casted. If you have a change of mind, it will
a series of holes to void the message before sending the
ballot entry into the roll.
Printing it on a continuous roll allows for very fast
via optical scanner.
To deal with voter privacy, you could have multiple
printers on a casting machine, and randomly select one
of the printers to print to.
Other possibility, is to provide a continuously calculated
hash function (like sha5), printed on a separate audit
roll (or maybe on the actual voting roll as well).
Which ensures that nothing funny has been calculated
the fact. And you can even read it back to the casting
device (like a phone), so people can check their ballot
been casted properly after the fact remotely.
Each roll has a chip that store the claimed tally into a
one time programmable chip. You run the roll though a
optical reader, and it checks that it tallys up correctly to
the the chip's tally.
3 printing tech to consider
1. Thermal - Reliable printhead, but paper can fade
2. Inkjet - long lasting print, cheap printhead, not as
reliable as other methods
3. Toner - Reliable, long lasting print but expensive
4. Dot matrix - Very rugged, can mechanically fail tho.
Ink last for a while. Low rez
5. Punched holes - Can have mechanical issues, but
prints will last the life of the paper.
thermal paper fade if stored improperly
[mofosyne, Aug 09 2015]
A way to temporal link each voting rolls together [mofosyne, Jan 21 2017]
||[+] the return of papertape.
||You could do it right on the paper, in transit from send to takeup roll: fill in the box for your candidate and hit the "cast" button; if you screw up, fill in the "void" box and it will forward to the next line for you to start again. For voting systems that allow negative votes, different coloured markers.
||I really like the ability to check my cast was not tampered with.
||FlyingToaster, Aug 07 2015
||Well the issue with that, is you don't want a ballot writing
and casting on the same box. This is since you increase
the attack surface from one casting box, to all the ballot
machine. Plus less privacy if you can trace to a ballot box
(unless you get all printers to print at the same time, but
that requires communication between printers... which is
another potential attack vector).
||Can't just have a single ballot writing/casting box too...
that would be awfully slow.
||Thus my suggested design decision to have it as a
"Tap/Scan your NFC/QR tag, or tap your smartphone" to
load in your settings to a
"Preview Only" screen, before printing to a paper staging
area, before being committed.
||I hope this idea makes its way to a proper category. Soon.
||Give each voter a verifiable salted hash of his vote/votes.
All hashes count toward the winner. That's all that's
||Windows 10 will do your voting for you, based on your click history.
||This is quite simply one of the most brilliant ideas to
ever be posted on this site.
||In the age of electronic voting, there is no security
against fraud without hard paper copies of one's vote
that can be accessed and checked. This makes paper
ballots and order of magnitude more difficult to
||We had an election here where the guy running for
congress was slightly behind so he kept demanding
"recounts" till he won. Each recount "found" another
box of ballots that were all for him, all coming from
districts that supported him. They basically told the
polling places "We need x amount more ballots, print
them up and send them in." Where the original vote
had him slightly behind, these "recounts" supplied
thousands of votes that were exclusively for him. To
check each ballot sent in would be very time
consuming. To spot check a roll of 10,000 ballots
would be comparatively easy.
||This needs to be passed up the chain from "Hmm,
interesting idea" to consideration for actual
implementation. Brilliant. Absolutely brilliant. If this
were my idea I'd patent it and at least give it a good
go. What a fun and interesting challenge this would
be to implement. Something that could do some real
good for society as well.
||Well in the interest of actually getting this implemented.
||I hereby declare this idea, as free for all.
||Oh. And also, to whoever is lobbying for voting machines...
seriously please open your damn sourcecode. And politicians
that let this obviously massive security hole though... what
the hell were you guys thinking?
||This is the kind of simple solution to a complicated problem
that I really get a kick out of. Very clever.
||And there really is a need for something like this. About the
only thing that the two parties in my country
agree on is that voter fraud is rampant. They just disagree
about who's doing it.
||Plus if online voting is about improving
accessibility/incentive to vote...
||Why not just make the voting day a national holiday, and
perhaps give everyone cash (or make it compulsory like
Australia) just to vote? Seems to work for Australia (we
90% turnout). The usual objection I hear, is that voters
idiots and shouldn't vote if they don't want to. But it
neglects the issue of those who want to vote, who really
shouldn't be voting as well (like religious extremist) lol.
||Capital idea... I say we put it to a vote.
||// Online voting should be given a try just so that on
election night we'll have no exit polls, no minute by
minute coverage and no tallying of the votes for
hours when the polls close. //
||Seems to me if electronic voting is implemented
properly a real-time tally as votes are placed could
|| scad mientist, Aug 09 2015
||ballot casting box twittering on twitter?
||ballotbox:"OH HAI, LOOKS LIKE BERNIE@495 AND
||ballotbox:"OH DON'T MINE ME! I LOVE RECOUNTING"
||ballotbox:""OH SILLY ME, TRUMP@1243 WHILE
|| scad mientist, Aug 09 2015
||Well what about also displaying a real time hash as well? So to
verify that the voting roll has not been tampered with, you
calculate the voting hash at each stage of the election. (I
think this would be related to block chain "which is essentially
a chain of hashes").