Python Cryptography Breaks Up with OpenSSL with Paul Kehrer and Alex Gaynor

Python Cryptography Breaks Up with OpenSSL with Paul Kehrer and Alex Gaynor

February 1, 2026 · 1h 13m · Season 5 · Episode 3

About this episode

The episode discusses the transition of the Python cryptography module away from OpenSSL as its maintainers explore new backend options.

The Python cryptography module, pyca/cryptography, has mostly been a sane wrapper around a pile of C, so that users get performant cryptography on the many, many platforms Python targets. Therefore its maintainers, Alex Gaynor and Paul Kehrer, have become intimately familiar with OpenSSL. Recently, they declared that after many years of trying to make it work, they announced pyca/cryptography would be moving away from OpenSSL when supporting new functionality and exploring adding other backen...

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