Germany has published joint national guidance for migrating to post-quantum cryptography (PQC), adopting the European Union’s risk-based transition timetable. Issued by the interior and digital ministries and the Federal Office for Information Security, the guidance calls for high-risk use cases to become quantum-safe as soon as possible and no later than the end of 2030, medium-risk use cases by 2035, and low-risk use cases as far as possible by 2035. Organizations are expected to assign migration ownership, develop implementation plans, establish an initial cryptographic inventory and begin migration by December 31, 2026. The dates are currently recommendations rather than universally binding requirements; German authorities are expected to make deadlines binding before year-end, while existing cybersecurity laws already impose cryptographic risk-management duties on many regulated entities.
The guidance recommends hybrid combinations of classical and post-quantum algorithms, supplier coordination, crypto-agile procurement and emergency planning. It does not explicitly include the pilot projects required by the EU roadmap. Although the arrival of quantum computers capable of breaking RSA remains uncertain, long-lived systems and harvest-now-decrypt-later attacks make delayed migration a confidentiality risk today. Security leaders should prioritize cryptographic discovery and risk classification, identify dependencies on suppliers, and build migration plans around data-retention needs and system replacement cycles.

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BMI, BMDS and BSI published joint guidance adopting the EU roadmap’s migration timelines and recommending organizational ownership, cryptographic inventories, hybrid cryptography and crypto-agile procurement. The dates remain recommendations, with relevant German coordinating bodies asked to adopt them as bindingly as possible by the end of 2026.
The BSI advised against using Classic McEliece in new developments following reduced key-recovery cost estimates. It stated that no practical attack existed against its recommended parameter sets.
EU member states published a three-stage roadmap requiring national migration roadmaps by the end of 2026. It targets completion of high-risk migration by the end of 2030 and medium-risk migration by the end of 2035, with low-risk migration by 2035 where practicable.
The BSI’s 2025 quantum-computing study assessed a cryptographically relevant quantum computer as likely by 2040 or earlier. Germany’s subsequent migration guidance cited this assessment.
A 2023 BSI survey conducted with KPMG found that almost 90% of 28 participating companies and organizations believed they could not counter the quantum threat to cryptography in time.
Pilot projects for a quantum-safe electronic passport and a quantum-safe identity card were already underway. Their start dates were not specified.
The BSI established binding deadlines requiring approved IT security products used in the classified domain to complete their post-quantum transition by 2030. The source does not specify when those deadlines were established.
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