Problem scenario
You want to rebuild libk5crypto.so.3. Can you delete this file?
Solution
No. Once you delete it, sudo commands will stop working. You will not be able to log into the server via SSH either if the file is moved from the /lib64/ directory.
To learn more about the file and an rpm package that provides it, go here: https://centos.pkgs.org/8/centos-baseos-x86_64/krb5-libs-1.17-18.el8.i686.rpm.html