/usr/lib/x86_64-linux-gnu/libtss.so is in libtss-dev 1045-1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /debian/libtss0/usr/lib/x86_64-linux-gnu/libtss.so.0
/debian/libtss0/usr/lib/x86_64-linux-gnu/libtss.so.0