For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Yoshio_Sato:branches:security:logging/openSUSE_Tumbleweed/home:Yoshio_Sato:branches:security:logging.repo
zypper refresh
zypper install libopenssl1_1
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Yoshio_Sato:branches:security:logging/16.0/home:Yoshio_Sato:branches:security:logging.repo
zypper refresh
zypper install libopenssl1_1
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Yoshio_Sato:branches:security:logging/15.6/home:Yoshio_Sato:branches:security:logging.repo
zypper refresh
zypper install libopenssl1_1
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Yoshio_Sato:branches:security:logging/15.5/home:Yoshio_Sato:branches:security:logging.repo
zypper refresh
zypper install libopenssl1_1