PyCA cryptography 40.0.1 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 3.6+, and PyPy3 7.3.10+. Changelog (https://cryptography.io/en/latest/changelog/#v40-0-1): * Fixed a bug where certain operations would fail if an object happened to be in the top-half of the memory-space. This only impacted 32-bit systems. -Paul Kehrer (reaperhulk)