PyCA cryptography 2.1.1 has been released to PyPI. cryptography includes both high level recipes and low level interfaces to common cryptographic algorithms such as symmetric ciphers, message digests, and key derivation functions. We support Python 2.6-2.7, Python 3.4+, and PyPy. This release, in addition to the changes from 2.1, contains the following: * Fixed support for install with the system pip on Ubuntu 16.04. -Paul Kehrer (reaperhulk)