Yubikey

In this blog post I will show how LUKS works perfect with FIDO2 devices. You can learn how to setup a LUKS device and then switch from password to a FIDO2 device. This ensures, that not only a password is required but also a hardware device (security factors “Knowledge: Something you know” and “Possession: Something you have”). Test environment setup First we will setup a small test environment. Let’s create a small new (virtual) disk. ...

I recently had to deal with a bunch of Yubikeys. I wanted to reuse them for another purpose and therefore I wanted to factory reset them. This post won’t describe how to factory reset the whole Yubikey. Yubikeys have multiple parts, e.g. slot 1 and 2 and a Smart Card (PIV). During this post you can learn how to reset the Smart Card (PIV) and how to generate and flash a new OpenPGP key. ...