PyCA cryptography 3.3.1 has been released to PyPI. cryptography includes both high level recipes and low level interfaces to common cryptographic algorithms such as symmetric ciphers, asymmetric algorithms, message digests, X509, key derivation functions, and much more. We support Python 2.7, Python 3.6+, and PyPy. Please note that this is the final version that will support Python 2.7! Changelog (https://cryptography.io/en/latest/changelog/): * Re-added a legacy symbol causing problems for older ``pyOpenSSL`` users. -Paul Kehrer (reaperhulk)