Everything is an input device (fun with barcodes)

Muse and Jasper

Playlists: 'MCH2022' videos starting here / audio

If we consider technology sufficiently advanced indistinguishable from magic, then the closest we get to ancient magical glyphs are barcodes. In this talk, we will show how barcodes are not just simple numbers, but can be used to control the machines.

If we consider technology sufficiently advanced indistinguishable from magic, then the closest we get to ancient magical glyphs are barcodes. In this talk, we will show how barcodes are not just simple numbers, but can be used to control the machines.

In this talk we do a brief introduction into barcodes, the way they are built, their uses and their misuses. This will be illustrated with a couple of examples of misuses in the real world.

After this, we will demonstrate how a common implementation of (barcode)-scanning is vulnerable to a deceptively simple attack, which can lead to some interesting results.

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