NIST FIPS 203, 204 and 205

Publisher

NIST

Type

Cryptography standard

What it is

The first post-quantum cryptography standards, approved in August 2024, covering key encapsulation (FIPS 203) and digital signatures (FIPS 204 and 205).

Key points

FIPS 203: ML-KEM key encapsulation
FIPS 204: ML-DSA signatures
FIPS 205: SLH-DSA hash-based signatures

On the exam

Crypto inventory and migration planning for quantum risk.