For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:joeyli:branches:openSUSE:Factory:secure-boot/openSUSE_Tumbleweed/home:joeyli:branches:openSUSE:Factory:secure-boot.repo
zypper refresh
zypper install shim
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:joeyli:branches:openSUSE:Factory:secure-boot/openSUSE_Factory_ARM/home:joeyli:branches:openSUSE:Factory:secure-boot.repo
zypper refresh
zypper install shim
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:joeyli:branches:openSUSE:Factory:secure-boot/16.0/home:joeyli:branches:openSUSE:Factory:secure-boot.repo
zypper refresh
zypper install shim
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:joeyli:branches:openSUSE:Factory:secure-boot/15.6/home:joeyli:branches:openSUSE:Factory:secure-boot.repo
zypper refresh
zypper install shim