需要 openSUSE Tumbleweed ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:Simmphonie:yubico/openSUSE_Tumbleweed/home:Simmphonie:yubico.repo
zypper refresh
zypper install python-cryptography
需要 16.0 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:Simmphonie:yubico/16.0/home:Simmphonie:yubico.repo
zypper refresh
zypper install python-cryptography
需要 15.6 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:Simmphonie:yubico/15.6/home:Simmphonie:yubico.repo
zypper refresh
zypper install python-cryptography