Physical Keygen

A dude with a free, text-based 3d modeling software library, a RepRap, and some locks has put together the basics for a physical keygen. Basically, you can download the 3d models, and then brute force your way to entry.

The goal here is to generate working house keys by inputing the key code of the lock into a parametric OpenSCAD model.

To generate new keys, you can just edit the last line of the file and enter in the key code for your key.  If the code isn’t written on the key, you can measure the height of each bit and compare to the numbers in the Root Depth column on the aforementioned pin depth site.  Perhaps more nefariously, you could implement something like SNEAKEY to generate key codes without physically measuring the key.


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