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Quantum Nexum

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.

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CNSA 2.0 Algorithm Quick Reference

NSA Commercial National Security Algorithm Suite 2.0 — Required for National Security Systems (NSS) by 2030.

Key Encapsulation (FIPS 203)

  • ML-KEM-768 — CNSA 2.0 minimum, NIST Level 3
  • ML-KEM-1024 — NIST Level 5, highest security
  • ML-KEM-512 not approved for NSS

Digital Signatures (FIPS 204)

  • ML-DSA-65 — CNSA 2.0 minimum, NIST Level 3
  • ML-DSA-87 — NIST Level 5, highest security
  • ML-DSA-44 not approved for NSS

Hash-Based Signatures (FIPS 205)

  • SLH-DSA-SHA2-128s — CNSA 2.0 approved
  • SLH-DSA-SHAKE-128s — CNSA 2.0 approved
  • Conservative security, larger signatures
EZ Mode