For openSUSE Leap 42.3 Ports run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:wireguard/openSUSE_Leap_42.3_Ports/home:mnhauke:wireguard.repo
zypper refresh
zypper install wireguard
For openSUSE Leap 42.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:wireguard/openSUSE_Leap_42.3/home:mnhauke:wireguard.repo
zypper refresh
zypper install wireguard
For openSUSE Leap 42.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:wireguard/openSUSE_Leap_42.2/home:mnhauke:wireguard.repo
zypper refresh
zypper install wireguard
For openSUSE Leap 15.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:wireguard/openSUSE_Leap_15.2/home:mnhauke:wireguard.repo
zypper refresh
zypper install wireguard
For openSUSE Leap 15.1 ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:wireguard/openSUSE_Leap_15.1_ARM/home:mnhauke:wireguard.repo
zypper refresh
zypper install wireguard
For openSUSE Leap 15.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:wireguard/openSUSE_Leap_15.1/home:mnhauke:wireguard.repo
zypper refresh
zypper install wireguard