For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Dead_Mozay:telegram/openSUSE_Tumbleweed/home:Dead_Mozay:telegram.repo
zypper refresh
zypper install libarchive
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Dead_Mozay:telegram/openSUSE_Slowroll/home:Dead_Mozay:telegram.repo
zypper refresh
zypper install libarchive
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Dead_Mozay:telegram/15.6/home:Dead_Mozay:telegram.repo
zypper refresh
zypper install libarchive
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Dead_Mozay:telegram/15.5/home:Dead_Mozay:telegram.repo
zypper refresh
zypper install libarchive