via: [WayBack] Researchers “unblur” images to gain access to Bitcoin wallet. The lesson here is that blurring sensitive images is no longer safe. – Kevin Powick – Google+:
- [WayBack] Researchers Reconstruct Blurred QR Code to Gain Access to $1,000 Bitcoin Wallet:
Two French researchers — Michel Sassano and Clement Storck — have reconstructed a blurred QR code to gain access to a Bitcoin wallet that was holding $1,000.
- The full method used: [WayBack] Let’s Enhance! How we found @rogerkver’s $1,000 wallet obfuscated private key Broadcasted on French TV show “Complément d’enquête”.
Background information:
- [Archive.is] QR Code Tutorial: Introduction – QR Code Tutorial This page explains what it is and gives a general overview of how to turn information into a QR code.
- [Archive.is] Format and Version String Tables – QR Code Tutorial A list of all of the format strings that encode error correction level and mask pattern number, and all version strings
- [WayBack] qr_standard.pdf: INTERNATIONAL ISO/IEC STANDARD 18004 First edition 2000-06-15
- [WayBack] information_qr_code.pdf: Von der Information zum QR-Code und wieder zurück
- [WayBack] unterlagen_lernende.pdf: QR background information
–jeroen
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