PyCA cryptography 41.0.1 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 3.7+, and PyPy3 7.3.10+. Changelog (https://cryptography.io/en/latest/changelog/#v41-0-1): * Temporarily allow invalid ECDSA signature algorithm parameters in X.509 certificates, which are generated by older versions of Java. * Allow null bytes in pass phrases when serializing private keys. -Paul Kehrer (reaperhulk)