/usr/lib/x86_64-linux-gnu/libshibsp.so is in libshibsp-dev 2.5.2+dfsg-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libshibsp.so.6.0.2
/usr/lib/x86_64-linux-gnu/libshibsp.so.6.0.2