Messing with barcodes

stencil

[nico] just received his credentials for an upcoming conference. On each badge, there’s a 2D barcode with the participant’s bio and contact info. These are meant to be scanned by vendors for future contact. [nico] isn’t so interested in that and plans on updating his personal info by generating a new barcode. To this end, he’s collected a number of links to help out barcode hackers. He used the SWIPE toolkit to identify the format and decode (it has an online component too). There are also several online encoders you can use, like this one from [Terry Burton]. If you’re wondering what sort of shenanigans you can get into faking barcodes, check out [fx]‘s presentation from 24C3.

[photo: seanbonner]

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