MarsSeed [1] filed a deletion request for openssl-gost [2]: VCS package in disguise, duplicate of openssl-gost-engine-git. [a] There is also a stable package, openssl-gost-engine . [b] In any case, this one should not be kept. [a]: https://aur.archlinux.org/pkgbase/openssl-gost-engine [b]: https://aur.archlinux.org/pkgbase/openssl-gost-engine-git [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/openssl-gost/