For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:privacy/openSUSE_Tumbleweed/security:privacy.repo
zypper refresh
zypper install b3sum
For openSUSE Factory zSystems run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:privacy/openSUSE_Factory_zSystems/security:privacy.repo
zypper refresh
zypper install b3sum
For openSUSE Factory RISCV run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:privacy/openSUSE_Factory_RISCV/security:privacy.repo
zypper refresh
zypper install b3sum
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:privacy/openSUSE_Factory_PowerPC/security:privacy.repo
zypper refresh
zypper install b3sum
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:privacy/openSUSE_Factory_ARM/security:privacy.repo
zypper refresh
zypper install b3sum
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:privacy/15.6/security:privacy.repo
zypper refresh
zypper install b3sum