How to use fingerprint instead of password window?

Running Manjaro Stable, KDE Plasma 6 on Wayland.

I finally found a fingerprint scanner that just works (Digital Persona U.are.U 4500). I enabled it in /etc/pam.d/ in files like sddm, kde, login, sudo.

What I however can’t replace with a fingerprint scan is this pop up window asking for my password when for example I wish to install some software through pamac GUI and other places.

Which PAM file do I have to modify for this to work?
Thanks!

Hi @8192k,

I think you’ll have to go thorough this:

https://wiki.archlinux.org/title/fprint

The password window you’re referring to, as far as I’m aware, is from polkit. So probably something to do with that. Perhaps this:

fprint - ArchWiki.

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That’s where I have all my information from. KDE doesn’t have polkit, at least there’s no file for it in /etc/pam.d/.

The question should be more like: which configuration file in/etc/pam.d/ should I adjust for this to work?

polkit-1 has been moved from /etc/pam.d/polkit-1 to /usr/lib/pam.d/polkit-1. If your system created /etc/pam.d/polkit-1.pacsave you can use the top four lines for fingerprint authentication.

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