Berkeley COMPSCI 261N - Lecture Notes - E-Voting (5 pages)

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Lecture Notes - E-Voting



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Lecture Notes - E-Voting

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Pages:
5
School:
University of California, Berkeley
Course:
Compsci 261n - Internet and Network Security

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CS 261 Week 12 Notes E Voting Eric Kim November 14 2011 1 Why do Electronic Voting We want to do Electronic Voting E Voting because it gives us operational efficiency It s much easier to do an electronic election say using a DRE system than a paper based ballot since a paper based election has a lot of overhead such as printing the ballots making sure there are enough paper ballots transporting the paper ballots etc In addition E Voting allows voting to be more accessible to those with special needs say vision impairment In the past those with impairments motor visual etc would have another person friend spouse etc perform the vote for him or her This isn t desirable since the system is depriving that impaired voter of anonymity and independence With an E Voting system however there can be special machines that are geared towards allowing those with impairments to still successfully cast a vote 2 2 1 Why is E Voting hard the voting problem Problem 1 The Secret Ballot problem All votes should be anonymous and untraceable in addition there shouldn t be a way to prove that a voter voted in a certain way We want this in order to avoid vote coercion or blackmailing consider a scenario where Bob is trying to force Alice to vote for Chuck If Bob is unable to verify that Alice voted for Chuck then it is impossible for Bob to force Alice to vote for Chuck since Bob will be unable to verify Alice s vote So we just can t maintain voting logs 2 2 Problem 2 Confidence We must be confident in the election results more importantly ordinary people i e non Ph D people should be able to hold confidence in the voting system For instance a voting system that uses a crazy amount of complicated cryptography would seem questionable to an ordinary member of the public A voting system that requires experts to understand verify the system isn t ideal Another problem with election confidence is that the election officials in charge are typically appointed by the party in power thus there is a



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