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How to hack the upcoming Dutch elections and how hackers could have since 2009

sijmen.ruwhof.net

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Re: How to hack the upcoming Dutch elections and how hackers could have since 2009

#2
To answer the question:

You change the SHA1 hash of the voting data in both the PDF and the XML filename. As long as the user is not verifying against a paper printout this attack will work.

Everything else in this article is secondary.