Hello Felix,
> Is there any way those public keys or key stubs can be created from
> the keys stored on the Yubikey or any smartcard itself?
the easiest way is:
(infra) [~] ssh-add -L
ssh-rsa
B3NzaC1yc2EDAQABAAACAQDhYUVGvoVX7jE40Tb/iI45EsyuPv6dbe7wH66OqSYoakImnuDbitQWjAb4rbHiOAtnE6hkbHj
So I've recently started experimenting with a Yubikey.
I started off by creating an encryption subkey from my master key and
moving that to the Yubikey.
This worked fine until I moved to a different computer and tried using
it there.
It didn't automatically recognize the key on the card until
