Adding PGP key creation capability for vault init

Adding a couple of functions to support PGP key generation
and using said keys to initialise vault.

Issue-ID: AAF-165
Change-Id: Ic65f8157f125005d544bbf8dede184bd282a5357
Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>
2 files changed