For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:tls/openSUSE_Tumbleweed/security:tls.repo
zypper refresh
zypper install libretls
For openSUSE Factory zSystems run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:tls/openSUSE_Factory_zSystems/security:tls.repo
zypper refresh
zypper install libretls
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:tls/openSUSE_Factory_PowerPC/security:tls.repo
zypper refresh
zypper install libretls
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:tls/openSUSE_Factory_ARM/security:tls.repo
zypper refresh
zypper install libretls
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:tls/openSUSE_Factory/security:tls.repo
zypper refresh
zypper install libretls
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:tls/16.0/security:tls.repo
zypper refresh
zypper install libretls