If you have one backed by a HSM (Hardware Security Module) then you could be in a good spot. Similar set up to what AWS KMS does. https://aws.amazon.com/kms/details/
That does not do empty folders, sadly.
In my old firm we managed to get ceph running on coreos using ceph in docker. The storage was exposed using a s3 gateway. https://github.com/ceph/ceph-docker
If you have one backed by a HSM (Hardware Security Module) then you could be in a good spot. Similar set up to what AWS KMS does. https://aws.amazon.com/kms/details/
That does not do empty folders, sadly.
In my old firm we managed to get ceph running on coreos using ceph in docker. The storage was exposed using a s3 gateway. https://github.com/ceph/ceph-docker