Ticket #47596 attrcrypt fails to find unlocked key
https://fedorahosted.org/389/ticket/47596
Reviewed by: nkinder (Thanks!)
Branch: master
Fix Description: There should always be a pre-authenticated slot/token that
has the servers cert and key. Just loop through all of the slots that the
server's cert is found on, and use the first one that is authenticated.
Platforms tested: RHEL6 x86_64
Flag Day: no
Doc impact: no