Stateless hash-based post-quantum signatures (FIPS 205). Conservative security, larger signatures.
At a glance
| Quantum risk | Quantum-resistant |
|---|---|
| Used for | Digital signature |
| Post-quantum algorithm | Yes |
Positions and deadlines by authority
| Authority | Position | Effective | Scope | Details |
|---|---|---|---|---|
| NIST | Recommended | in force | all variants | |
| ANSSI | Acceptable | in force | all variants | Hash-based signatures may be used without hybridation. |
Sources
- FIPS 205 — Stateless Hash-Based Digital Signature Standard (SLH-DSA) · NIST
- FAQ — Cryptographie post-quantique · ANSSI (guidance)
Catalog version 2026-09-28. Every position links to its primary source; draft documents are labelled as such.