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Tinkering with Disclosed Source Voting Systems

December 2, 2009 by

As Ed pointed out in October, Sequoia Voting Systems, Inc. (“Sequoia”) announced then that it intended to publish the source code of their voting system software, called “Frontier”, currently under development. (Also see EKR‘s post: “Contrarianism on Sequoia’s Disclosed Source Voting System”.)

Yesterday, Sequoia made good on this promise and you can now pull the source code they’ve made available from their Subversion repository here:
http://sequoiadev.svn.beanstalkapp.com/projects/

Sequoia refers to this move in it’s release as “the first public disclosure of source code from a voting systems manufacturer”. Carefully parsed, that’s probably correct: there have been unintentional disclosures of source code (e.g., Diebold in 2003) and I know of two other voting industry companies that have disclosed source code (VoteHere, now out of business, and Everyone Counts), but these were either not “voting systems manufacturers” or the disclosures were not available publicly. Of course, almost all of the research systems (like VoteBox and Helios) have been truly open source. Groups like OSDV and OVC have released or will soon release voting system source code under open source licenses.

I wrote a paper ages ago (2006) on the use of open and disclosed source code for voting systems and I’m surprised at how well that analysis and set of recommendations has held up (the original paper is here, an updated version is in pages 11–41 of my PhD thesis).

The purpose of my post here is to highlight one point of that paper in a bit of detail: disclosed source software licenses need to have a few specific features to be useful to potential voting system evaluators. I’ll start by describing three examples of disclosed source software licenses and then talk about what I’d like to see, as a tinkerer, in these agreements.

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Election Day; More Unguarded Voting Machines

November 3, 2009 by

It’s Election Day in New Jersey. As usual, I visited several polling places in Princeton over the last few days, looking for unguarded voting machines. It’s been well demonstrated that a bad actor who can get physical access to a New Jersey voting machine can modify its behavior to steal votes, so an unguarded voting machine is a vulnerable voting machine.

This time I visited six polling places. What did I find?

The good news — and there was a little — is that in one of the six polling places, the machines were properly secured. I’m not sure where the machines were, but I know that they were not visible anywhere in the accessible areas of the building. Maybe the machines were locked in a storage room, or maybe they hadn’t been delivered yet, but anyway they were probably safe. This is the first time I have ever found a local polling place, the night before the election, with properly secured voting machines.

At the other five polling places, things weren’t so good. At three places, the machines were unguarded in an area open to the public. I walked right up to them and had private time with them. In two other places, the machines were visible from outside the building and protected only by an outside door with an easily defeated lock. I didn’t defeat the locks myself — I wasn’t going to cross that line — but I’ll bet you could have opened them quickly with tools you probably have in your car.

The final scorecard: ten machines totally unprotected, eight machines poorly protected, two machines well-protected. That’s an improvement, but then again any protection at all would have been an improvement. We still have a long way to go.

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Sequoia Announces Voting System with Published Code

October 29, 2009 by

Sequoia Voting Systems, one of the major e-voting companies, announced Tuesday that it will publish all of the source code for its forthcoming Frontier product. This is great news–an important step toward the kind of transparency that is necessary to make today’s voting systems trustworthy.

To be clear, this will not be a fully open source system, because it won’t give users the right to modify and redistribute the software. But it will be open in a very important sense, because everyone will be free to inspect, analyze, and discuss the code.

Significantly, the promise to publish code covers all of the systems involved in running the election and reporting results, “including precinct and central count digital optical scan tabulators, a robust election management and ballot preparation system, and tally, tabulation, and reporting applications”. I’m sure the research community will be eager to study this code.

The trend toward publishing election system source code has been building over the last few years. Security experts have long argued that public scrutiny tends to increase security, and is one of the best ways to justify public trust in a system. Independent studies of major voting vendors’ source code have found code quality to be disappointing at best, and vendors’ all-out resistance to any disclosure has eroded confidence further. Add to this an increasing number of independent open-source voting systems, and secret voting technologies start to look less and less viable, as the public starts insisting that longstanding principles of election transparency be extended to election technology. In short, the time had come for this step.

Still, Sequoia deserves a lot of credit for being the first major vendor to open its technology. How long until the other major vendors follow suit?

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Finnish Court Orders Re-Vote After E-Voting Snafu

September 10, 2009 by

The Supreme Administrative Court of Finland has ruled that three municipal elections, the first in Finland to use electronic voting, must be redone because of voting machine problems. (English summary; ruling in Finnish)

The troubles started with a usability problem, which caused 232 voters (about 2% of voters) to leave the voting booth without fully casting their ballots. Electronic Frontiers Finland explains what went wrong:

It seems that the system required the voter to insert a smart card to identify the voter, type in their selected candidate number, then press “ok”, check the candidate details on the screen, and then press “ok” again. Some voters did not press “ok” for the second time, but instead removed their smart card from the voting terminal prematurely, causing their ballots not to be cast.

This usability issue was exacerbated by Ministry of Justice instructions, which specifically said that in order to cancel the voting process, the user should click on “cancel” and after that, remove the smart card. Thus, some voters did not realise that their vote had not been registered.

If you want to see what this looks like for a voter, check out the online demo of the voting process, from the Finnish Ministry of Justice (in English).

Well designed voting systems tend to have a prominent, clearly labeled control or action that the voter uses to officially cast his or her vote. This might be a big red “CAST VOTE” button. The Finnish system mistakenly used the same “OK” button used previously in the process, making voter mistakes more likely. Adding to the problem, the voter’s smart card was protruding from the front of the machine, making it all too easy for a voter to grab the card and walk away.

No voting machine can stop a “fleeing voter” scenario, where a voter simply walks away during the voting process (we conventionally say “fleeing” even if the voter leaves by mistake), but some systems are much better than others in this respect. Diebold’s touchscreen voting machines, for all their faults, got this design element right, pulling the voter’s smart card all of the way into the machine and ejecting it only when the voter was supposed to leave — thus turning the voter’s desire to return the smart card into a countermeasure against premature voter departure, rather than a cause of it. (ATM machines often use this same trick of holding the card inside the machine to stop the user from grabbing the card and walking away at the wrong time.) Some older lever machines use an even simpler method against fleeing voters: the same big red handle that casts the ballot also opens the curtains so the voter can leave.

I’d be curious to know what the rules are about fleeing voters in Finland. I know that New Jersey procedures say that if a voter leaves without performing the final step of pushing the “Cast Vote” button, poll workers are supposed to push the button on the voter’s behalf (without looking at the voter’s choices). Crucially, the design of the New Jersey voting machine (for all its faults) makes it almost certain that such a non-cast ballot will be discovered promptly — the machine makes a noise when the ballot is cast, and the machine will complain if the poll worker tries to enable the next voter’s ballot before the previous voter’s ballot has been cast.

It seems likely that the Finnish machine, in addition to its usability problems that led to fleeing voters, had other design/process problems that made a non-completed ballot less noticeable to poll workers. (I don’t know this for sure; the answer isn’t in any English-language document I have seen.)

Fortunately, the damage was not as bad as it might have been, because the e-voting system was used in only three municipalities, as a pilot program, rather than nationwide. Presumably, nationwide use of the flawed system is now unlikely.

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Consolidation in E-Voting Market: ES&S Buys Premier

September 4, 2009 by

Yesterday Diebold sold its e-voting division, known as Premier Election Systems, to ES&S, one of Premier’s competitors. The price was low: about $5 million.

ES&S is reportedly the largest e-voting company, and Premier was the second-largest, so the deal represents a substantial consolidation in the market. The odds of one major e-voting company breaking from the pack and embracing up-to-date security engineering are now even slimmer than before. Premier had seemed like the company most likely to change its ways.

The sale represents the end of an embarrassing era for Diebold. The company must have had high hopes when it first bought a small e-voting company, but the new Diebold e-voting division never approached the parent companies standards for security and product quality. Over time the small e-voting division became an embarrassment, and the parent company distanced itself by renaming the division from Diebold to Premier and publicizing the division’s independence. Now Diebold is finally rid of its e-voting division and can return to doing what it does relatively well.

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