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43:40DEF CON 29 - Richard Henderson - Old MacDonald Had a Barcode, E I E I CAR
18K views • 5 years ago
DEFCONConference
A DEF CON 29 talk by Richard Henderson about encoding the EICAR antivirus test string into QR codes and barcodes and scanning them at real systems. Many systems that do not expect such input misbehave or collapse, including a parking garage system.
20:03Can you fit a whole game into a QR code?
9M views • 6 years ago
MattKC
MattKC fits a playable Snake game into a QR code by writing tiny x86 machine code and patching the ZBar scanner so it can run the decoded data.