All host keys can be used with all HMACs.

Change-Id: I71055d3085d13683e53491ac9a9d98734dd6e7e5
Reviewed-by: Christian Kandeler <christian.kandeler@theqtcompany.com>
(cherry picked from commit 0aadfbd4)
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>