Description of problem: Need to migrate from SHA1 certificate.
http://post-office.corp.redhat.com/archives/rhui-list/2017-January/msg00045.html
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2018:2649