algorithm-selection

Installation
SKILL.md

Cryptographic Algorithm Selection and Post-Quantum Readiness

Reference for which cryptographic algorithms to use, which to avoid, and how to prepare for post-quantum cryptography.

Banned (Insecure) Algorithms

NEVER use these algorithms. They are cryptographically broken.

Type Banned
Hash MD2, MD4, MD5, SHA-0
Symmetric RC2, RC4, Blowfish, DES, 3DES
Key Exchange Static RSA, Anonymous Diffie-Hellman

Deprecated (Legacy/Weak) Algorithms

Avoid in new designs. Prioritize migration away from these.

Installs
2
GitHub Stars
52
First Seen
Jul 18, 2026
algorithm-selection — redhatproductsecurity/prodsec-skills