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Keys Not Included: recovering the signing keys for US driver's license barcodes

289 points · 152 comments · Ryan5453

  1. RockRobotRock · · focus · HN ↗
    I had a fake ID, and it being scannable was a huge selling point. Convenience stores all scan, and don't seem to care if you look underage. I was only turned down two or three times, usually at bars and restaurants.
    1. anon_cow1111 · · focus · HN ↗
      The first thing I do with a real ID is widen the reference bars on the sides so the checkout scanner can't read it. If they want my birthday they can type it in manually, I don't need all my info in some store database.
      1. beej71 · · focus · HN ↗
        Interestingly, I've never had anyone scan my DL barcode. About 10% of them look at my ID and manually enter it. The rest look at my gray beard, ask me for my birthdate, and key in whatever random plausible date I give them. :) (There's one store where the gray beard is enough and they remotely approve me at the self checkout, no questions asked. The misery of it is that I only buy NA beer and that still requires an ID.)
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