Ryan Fahey https://ryan.science/blog My personal website, portfolio, and blog. en Thu, 17 Sep 2026 08:21:20 GMT Keys Not Included https://ryan.science/blog/keys-not-included https://ryan.science/blog/keys-not-included Wed, 16 Sep 2026 00:00:00 GMT Several states sign their driver's license barcodes but publish no keys to check them, so I reconstructed them with ECDSA key recovery. Do you Know Your Citizen? https://ryan.science/blog/do-you-know-your-citizen https://ryan.science/blog/do-you-know-your-citizen Sun, 28 Jun 2026 00:00:00 GMT The US ordered frontier AI walled off from foreign nationals, but verifying citizenship would lock out half of US citizens. Insecure by Design https://ryan.science/blog/insecure-by-design https://ryan.science/blog/insecure-by-design Tue, 02 Dec 2025 00:00:00 GMT The AAMVA's driver's license barcode standard is insecure by design, and the same organization sells the cure.