The IACR Can't Decrypt with Matt BernhardThe International Association of Cryptologic Research held their regular election using secure voting software called Helios…and lost the keys to decrypt the results, leaving them with no choice but to throw out the vote and call a new election. Hilarity ensues. We welcome special guest Matt Bernhard who actually works on secure voting systems to explain which bits are homomorphically additive or not.
Watch on YouTube: https://www.youtube.com/watch?v=euw_yqAQFI8
Transcript: https://securitycryptographywhatever.com/2025/12/30/iacr-helios
Links:
- NYT: https://www.nytimes.com/2025/11/21/world/cryptography-group-lost-election-results.html
- IACR Memo: https://www.iacr.org/news/item/27138
- https://www.iacr.org/elections/
- https://vote.heliosvoting.org/faq
- https://github.com/Election-Tech-Initiative/electionguard
- https://www.usenix.org/legacy/events/sec08/tech/full_papers/adida/adida.pdf
- https://www.iacr.org/elections/eVoting/about-helios.html
- https://www.iacr.org/elections/eVoting/
- https://crypto.ethz.ch/publications/files/CrGeSc97b.pdf
- https://electionguard.vote/
- https://eprint.iacr.org/2025/1901
- https://freeandfair.us/blog/open-free-election-technology/
- https://www.starvoting.org/
- https://mbernhard.com/
"Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)
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