What BSI Post-Quantum Cryptography Position and Technical Guideline TR-02102-1 (Germany) requires
The German Federal Office for Information Security (BSI) sets out its post-quantum cryptography position through its quantum technologies and post-quantum cryptography guidance and documents its concrete algorithm and key length recommendations in Technical Guideline BSI TR-02102-1, Cryptographic Mechanisms: Recommendations and Key Lengths, version 2026-01 dated 23 January 2026. The distinguishing element of the German position is its treatment of hybrid deployment. BSI states that post-quantum schemes should only be used in combination with classical schemes, described as hybrid, if possible, and observes that a hybrid approach using two or more post-quantum schemes remains a possible solution even after the development of cryptographically relevant quantum computers. This is a stronger hybrid stance than a simple recommendation to adopt post-quantum algorithms, and it shapes how German-regulated deployments are expected to be configured. BSI records that first post-quantum algorithms have been selected by NIST for standardisation, and states that the migration to post-quantum cryptography should be pushed forward. It co-signed the joint European statement Securing Tomorrow, Today: Transitioning to Post-Quantum Cryptography in November 2024, urging industry, critical infrastructure providers and public administration to start the transition, and published the guideline Quantum-safe cryptography, fundamentals, current developments and recommendations in December 2021.
Pillar: Aviation, Defense & Quantum · Authority: Bundesamt fuer Sicherheit in der Informationstechnik (BSI) · Version: 1.0.0 · Last updated:
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