PyPI

cryptography

cryptography is a package which provides cryptographic recipes and primitives to Python developers.

About

cryptographypython

github.com/pyca/cryptographyApache-2.0The Python Cryptographic Authority and individual contributors320M / week7.8k · 1.8k forks · 394 contributors

I'm on version…

Compares against 50.0.2 (latest stable)

Latest Stable50.0.2Sep 30, 2026

Release cadenceEvery 4 weeks

Last releaseSep 30, 2026

Open advisories0

Changelog quality100% curated

CHANGELOG

Release history SecurityYou're on

41.x42.x43.x44.x45.x46.x50.x

STABLE · RCPRE-RELEASE Oct2024AprJulOct2025AprJulOct2026AprJul

118 older or filtered releases not shown.

Upgrade guides

Breaking changes and a migration checklist for each major version

cryptography 49 → 5049.0.0 → 50.0.2Sep 30, 2026 Review needed111091 cryptography 48 → 4948.0.1 → 49.0.0Jun 12, 2026 Breaking52711 cryptography 47 → 4847.0.0 → 48.0.1Jun 9, 2026 Breaking21111 cryptography 46 → 4746.0.7 → 47.0.0Apr 24, 2026 Breaking661121 cryptography 45 → 4645.0.7 → 46.0.7Apr 8, 2026 Breaking331483 cryptography 44 → 4544.0.3 → 45.0.7Sep 1, 2025 Breaking221484 cryptography 43 → 4443.0.3 → 44.0.3May 2, 2025 Breaking111481 cryptography 42 → 4342.0.8 → 43.0.3Oct 18, 2024 Breaking2111061 cryptography 41 → 4241.0.7 → 42.0.8Jun 4, 2024 Breaking3421168 cryptography 40 → 4140.0.2 → 41.0.7Nov 28, 2023 Breaking152856 cryptography 39 → 4039.0.2 → 40.0.2Apr 14, 2023 Breaking25822 cryptography 38 → 3938.0.4 → 39.0.2Mar 2, 2023 Breaking424311 cryptography 37 → 3837.0.4 → 38.0.4Nov 27, 2022 Breaking122655 cryptography 36 → 3736.0.2 → 37.0.4Jul 5, 2022 Breaking2412811 cryptography 35 → 3635.0.0 → 36.0.2Mar 15, 2022 Breaking13762 cryptography 3 → 353.4.8 → 35.0.0Sep 30, 2021 Breaking344 cryptography 2 → 32.9.2 → 3.4.8Aug 24, 2021 Breaking1034131552 cryptography 1 → 21.9 → 2.9.2Apr 22, 2020 Breaking131384223162 cryptography 0.9 → 10.9.3 → 1.9May 30, 2017 Breaking7217562620 cryptography 0.8 → 0.90.8.2 → 0.9.3Jul 9, 2015 Breaking112521 cryptography 0.7 → 0.80.7.2 → 0.8.2Apr 11, 2015 Breaking10512321 cryptography 0.6 → 0.70.6.1 → 0.7.2Jan 16, 2015 Review needed15311 cryptography 0.5 → 0.60.5.4 → 0.6.1Oct 16, 2014 Breaking114131 cryptography 0.4 → 0.50.4 → 0.5.4Aug 21, 2014 Breaking17922 cryptography 0.3 → 0.40.3 → 0.4May 3, 2014 Review needed14 cryptography 0.2 → 0.30.2.2 → 0.3Mar 27, 2014 Review needed41 cryptography 0.1 → 0.20.1 → 0.2.2Mar 4, 2014 Breaking1723

VersionChannelDateChangesSecurity

50.0.2 StableSep 30, 2026111 50.0.1 StableAug 25, 20261 50.0.0 StableJul 31, 20261197Fix 49.0.0 youStableJun 12, 202652711Fix 48.0.1 StableJun 9, 202611Fix 48.0.0 StableMay 4, 2026211 47.0.0 StableApr 24, 2026661121 46.0.7 StableApr 8, 202611Fix 46.0.6 StableMar 25, 20261Fix 46.0.5 StableFeb 10, 202611Fix 46.0.4 StableJan 28, 20262 46.0.3 StableOct 15, 20251 46.0.2 StableOct 1, 20251 46.0.1 StableSep 17, 20252 46.0.0 StableSep 16, 20253134 45.0.7 StableSep 1, 20251 45.0.6 StableAug 5, 20251 45.0.5 StableJul 2, 20251 45.0.4 StableJun 10, 20251 45.0.3 StableMay 25, 20252