If set, users listed in $XDG_CONFIG_HOME/Yubico/u2f_keys (or $HOME/.config/Yubico/u2f_keys if XDG variable is not set) are able to log in with the associated U2F key. Path can be changed using security.pam.u2f.authFile option.
If set, users listed in $XDG_CONFIG_HOME/Yubico/u2f_keys (or $HOME/.config/Yubico/u2f_keys if XDG variable is not set) are able to log in with the associated U2F key. Path can be changed using security.pam.u2f.authFile option.