The queue in Zaqar will support to encrypt
messages before storing them into storage backends,
also could support to decrypt messages when those
are claimed by consumer. This feature will enhance
the security of messaging service.
Implements: blueprint encrypted-messages-in-queue
Signed-off-by: wanghao <sxmatch1986@gmail.com>
Change-Id: Icecfb9a232cfeefc2f9603934696bb2dcd56bc9c