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.
You can do way more than just 2FA with it. If you’re interested in security, there are all kinds of things you can do. It’s getting some heat because of people using them maliciously, but if you aren’t ethically compromised, it’s a great tool to play around with and find potential vulnerabilities in your own systems and learn a lot in the process.
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Have you seen this? https://flipperzero.one/
You can do way more than just 2FA with it. If you’re interested in security, there are all kinds of things you can do. It’s getting some heat because of people using them maliciously, but if you aren’t ethically compromised, it’s a great tool to play around with and find potential vulnerabilities in your own systems and learn a lot in the process.
https://docs.flipperzero.one/u2f
Also, there are custom firmware loads and open source apps that open up some other avenues with a highly engaged community.
https://github.com/ClaraCrazy/Flipper-Xtreme https://github.com/UberGuidoZ/Flipper
It’s super fun, I’ve barely scratched the surface with mine.
Thank you for sharing some of the flippers capabilities. I am looking for a 0$ option, I got my reasons.