For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:smuellerDD/openSUSE_Tumbleweed/home:smuellerDD.repo
zypper refresh
zypper install leancrypto
For openSUSE Factory zSystems run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:smuellerDD/openSUSE_Factory_zSystems/home:smuellerDD.repo
zypper refresh
zypper install leancrypto
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:smuellerDD/openSUSE_Factory_PowerPC/home:smuellerDD.repo
zypper refresh
zypper install leancrypto
For devel ARM Factory ARMv9 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:smuellerDD/devel_ARM_Factory_ARMv9/home:smuellerDD.repo
zypper refresh
zypper install leancrypto