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For AES in Python, PyCryptodome is a self-contained package whose AES module provides GCM encryption and decryption 1. PyCrypto is unmaintained and should not be used 3.

1
PyCryptodomepycryptodome.orgwebsite read, tools not yet checked
Python package of low-level cryptographic primitives whose AES module encrypts and authenticates messages in GCM mode and decrypts them with verification 1.
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2
Cryptographycryptography.iowebsite read, tools not yet checked
Python library offering high-level recipes and low-level interfaces to symmetric ciphers such as AES 2.
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+4 community tools built for it
3
Bouncy Castlebouncycastle.orgverified and signed
Bouncy Castle is one of the most widely used FIPS-certified open-source cryptographic APIs for Java and C#, including quantum-ready cryptography support and Lon 6
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+1 community tools built for it
for agents: encryption · open-source · encryption

Sources

1PyCryptodomepycryptodome.org · read 2026-10-29
2Welcome to pyca/cryptography — Cryptography 51.0.0-dev1 documentationcryptography.io · read 2026-10-29
3This software is no longer maintained. | PyCryptopycrypto.org · read 2026-10-29
6Bouncy Castle open-source cryptographic APIsbouncycastle.org · read 2026-10-29

For agents: the 10 actions behind this answer

· PyCryptodome website read, tools not yet checked
· Cryptography website read, tools not yet checked
· PyCrypto website read, tools not yet checked
· Zetetic website read, tools not yet checked
Zetetic makes the SQLCipher Encrypted Database and Codebook Password Manager. We specialize in data security.
github-release · github-release verified and signed
Guides IA through releasing a new version of a GitHub library end-to-end. Handles SemVer versioning and Keep a Changelog formatting automatically.
encryption · BouncyCastle.NET Cryptography verified and signed
· OpenSSL Library website read, tools not yet checked
· Async website read, tools not yet checked
A Rust library for easy and understandable async programming
· Pyopenssl website read, tools not yet checked
· libssh2 website read, tools not yet checked

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