Vault

Authoritative reference for NIST post-quantum cryptography. FIPS 203/204/205 algorithms, CNSA 2.0 requirements, Federal PKI guidance, and SP 800-series compliance frameworks.

Loading reference...

CNSA 2.0 Algorithm Quick Reference

NSA Commercial National Security Algorithm Suite 2.0 — Tiered transition: software/browsers by 2025, networking by 2030, all NSS by 2035.

Key Encapsulation (FIPS 203)

  • ML-KEM-1024 — CNSA 2.0 required, NIST Level 5
  • ML-KEM-768 — NIST Level 3, not CNSA 2.0
  • ML-KEM-512 — NIST Level 1, not approved for NSS

Digital Signatures (FIPS 204)

  • ML-DSA-87 — CNSA 2.0 required, NIST Level 5
  • ML-DSA-65 — NIST Level 3, not CNSA 2.0
  • ML-DSA-44 — NIST Level 2, not approved for NSS

Hash-Based Signatures (FIPS 205)

  • SLH-DSA-SHA2-256s — CNSA 2.0 approved
  • SLH-DSA-SHAKE-256s — CNSA 2.0 approved
  • 128-bit variants not CNSA 2.0 compliant
Vault 101