DIY security key. Can it be made with a regular usb drive?
DIY security key. Can it be made with a regular usb drive?
This idea is interesting to me because hell making my own stuff is fun. I have access to quite a few usb keys already so technically I might have the material available. Also my threat model is pretty low so I'm interested in security mostly for fun.
Most methods I have found talk about making a key to secure a computer but I would really like to make something that would do WebAuthn.
There is a neat Git project that shows how to turn a few specific devices into 2FA code prompters/automatic fillers. But in my naive mind that falls short of what I would truly wish to be able to accomplish ie. Stock USB --> WebAuthn/Passkey device.
Has anybody seen anything on the subject?
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From what I remember, you need a specific usb drive with a controller that is able to be reprogrammed
Another way is to just buy a usb HID device, they’re cheap
The tutorials I found see to point towards specific controllers. I was hoping for a measly flash drive to be able to modified.