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#crypto (3)

Cheat sheets (3)

uuid — RFC 4122 / 9562 UUID generator

Package-level reference for uuid on npm — v4 random, v5 namespace, v7 sortable, ESM-only since v9, and namespace pattern.
npm package id crypto javascript

cryptography — Recipes and Hazmat for Python Crypto

Package-level reference for the cryptography library on PyPI — install, version policy, Fernet, asymmetric keys, X.509, and TLS contexts.
pip package crypto security tls

gpg — OpenPGP Encryption & Signing

Practical GnuPG cheat sheet — generate keys, sign and verify files, encrypt for a recipient, sign git commits and tags, and manage trust without the bureaucracy.
gpg security crypto signing encryption cli web-researched