dotnet-cryptography Modern .NET cryptography covering hashing (SHA-256/384/512), symmetric encryption (AES-GCM), asymmetric cryptography (RSA, ECDSA), key derivation (PBKDF2, Argon2), and post-quantum algorithms (ML-KEM, ML-DSA, SLH-DSA) for .NET 10+. Includes TFM-aware guidance: what's available on net10.0 vs fallback strategies for net8.0/net9.0. Out of scope: Secrets management and configuration binding -- see [skill:dotnet-secrets-management]. OWASP vulnerability categories and deprecated security patterns -- see [skill:dotnet-security-owasp]. Authentication/authorization implementation (…