MarsSeed [1] filed a deletion request for yubipam-git [2]: Broken third-party module for YubiKey. Development discontinued since 2015. [a]
Extra repo carries YubiCo's official yubico-pam module for YubiKey. [b] [a]: https://github.com/firnsy/yubipam [b]: https://archlinux.org/packages/?q=yubico-pam [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/yubipam-git/
