We want to propose Image Encryption for Openstack, which would affect Cinder,
but also Nova and Glance. This spec contains the details of the Cinder part
for the Image Encryption. The transformations from image to volume and from
volume to image are discussed.
Change-Id: Ib2cd599cbc102bbc123ab88bc4813aca3d81ba10
Co-Authored-By: Markus Hentsch <markus.hentsch@secustack.com>