TIL Western Security, Ltd. was doing the GameCube/Wii copy protection scheme on floppies, in 1985. (cc @tmbinc)
https://scarybeastsecurity.blogspot.com/2020/12/the-cleverest-floppy-disc-protection.html …
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For those who don't know, the GC/Wii disc scheme works by punching radial scratches onto the disc with a laser (i.e. cutting "tracks" out of a spiral groove) and then fingerprinting where they ended up and lasering a barcode with the encrypted table onto the inner ring.
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How you defeat this security?
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