HackDemocracy Brussels 3 - Verifiable online elections: the future of voting?

Olivier de [email protected]

HackDemocracy Meetup#3February 2011

verifiableonline

electionsthe future of voting?

let’s try it now!Have you ever voted

in an online poll?

let’s try it now!Do you believe

your votewas accurately

taken into account?

what do we observe?

obviously correctbut no secrecy: votes are public

“obviously” secretbut no correctness: difficult to believe in the outcome

correctness vs? secrecyco

rrect

ness

secrecy

publicbulletin board

smartballot tracker

9scWvNiaWypRUK9JIXP2po6tCLVBNLi4vZoeDr85pFs

electionoutcome

(2*4)+(3*5) =

7 8 9 +

4 5 6 -

1 2 3 x

C 0 = ÷

encryptedelectionoutcome

publicbulletinboard

publicmath

operations

electionoutcome

(2*4)+(3*5) =

7 8 9 +

4 5 6 -

1 2 3 x

C 0 = ÷

publicbulletinboard

publicmath

operations

verifiable electionsstrong

confidence intally correctness

vote secrecyunder reasonable

assumptions

http://heliosvoting.org

2009UCLouvain - Rector ElectionPrinceton University - Undergrad Government Election

2010UCLouvain - Student Body ElectionInternational Association of Cryptology Research - Board

... more to come this year

some helios-based elections

Olivier de [email protected]

HackDemocracy Meetup#3February 2011

the future of voting

verifiable(online)

elections