ANSSI plan for post quantum transition
summary
ANSSI lays out a three-phase roadmap that starts with an immediate hybridization mandate for high-impact products and long‑lived data, keeps hybrid combos required while confidence grows, and aims to accept some post‑quantum schemes without hybridization around 2030. Recommended algorithms today include CRYSTALS‑Kyber, CRYSTALS‑Dilithium, Falcon and XMSS/LMS; Falcon is noted as hard to implement and hash‑based signatures bring statefulness tradeoffs. Main costs are bandwidth and implementation/side‑channel risk; guidance and regulatory oversight accompany the rollout.
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chapters (10)
- 0:00ANSSI post-quantum plan intro
- 1:58Quantum threats and timeline
- 4:05Quantum-safe crypto needs
- 6:12ANSSI’s transition role
- 8:22Hybridization for quantum resistance
- 10:32Three-phase migration roadmap
- 13:21Post-quantum algorithm recs
- 17:35Hybrid key exchange methods
- 19:52Security eval and monitoring
- 20:13Q&A
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