/usr/lib/x86_64-linux-gnu/libk5crypto.so.3 is in libk5crypto3 1.12.1+dfsg-19+deb8u4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libk5crypto.so.3.1
/usr/lib/x86_64-linux-gnu/libk5crypto.so.3.1