Maryland's primary elections last month were ruined by procedural and tech problems. Maryland used Diebold machines, even though its Republican governor "lost faith" in them as early as February this year, with months to do something about it before Maryland relied on them in their elections.
The Diebold code was secret, and was used in 2002 even though illegally uncertified — even by private analysts under nondisclosure. Now that it's being "opened by force," the first concern from Diebold, the government, and the media is that it could be further exploited by crackers. What if the voting software were open from the beginning, so its security relied only on hard secrets (like passwords and keys), not mere obscurity, which can be destroyed by "leaks" like the one reported by the Sun? The system's reliability would be known, and probably more secure after thorough public review. How much damage does secret source code employed in public service have to cause before we require it to be opened before we buy it, before we base our government on it?