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this post was submitted on 07 Oct 2023
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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I wish to replace it with a yubikey, but I don't even know if it's supported.
It is supported by systemd to use FIDO2 + pin to decrypt luks partitions with many security keys, including Yubikeys. I use it every day on my laptop.
It is, I have it set up on my laptop. It's a bit finicky in how it works and it's not easy to setup, but it is possible.
Does it work by emulating the keyboard and typing in the password? Or by the encrypted protocol that works using the on device secret?
Both should be possible. I am using the psuedo 2FA method. First I type the PIN and after that I confirm with YubiKey.
You can't even use a fucking fingerprint scanner while being in the system, that package is borked for months and nobody seem to care to solve it.
I think using Yubikey at boot time is quite out of reach