
The keystonemiddleware library recently switched to using the cryptography library over pycrypto, which was unmaintained. See Iced7f5115e49ccf4f7f5bf6813cb5988b95c248b Change-Id: I1873e1f0bba1433ead11532c395c1e0f31ba3723 Co-Authored-By: Nolan Brubaker <nolan.brubaker@rackspace.com>