Description of problem:
Third-party SSL certificates are not working with the passprhase.

Version-Release number of selected component (if applicable):
Satellite 6.1.3

How reproducible:
You need thirird-party certificates to enable on the Satellite 6
Regenerating certs without passprhase can resolve the issue partially:

After regenerating certs without passprhase:

Could not start Service[foreman-proxy]: Execution of '/usr/share/katello-installer/modules/service_wait/bin/service-wait start foreman-proxy' returned 1: Redirecting to /bin/systemctl start foreman-proxy.service
/Stage[main]/Foreman_proxy::Service/Service[foreman-proxy]/ensure: change from stopped to running failed: Could not start Service[foreman-proxy]: Execution of '/usr/share/katello-installer/modules/service_wait/bin/service-wait start foreman-proxy' returned 1: Redirecting to /bin/systemctl start foreman-proxy.service