ADR-007: Post-Quantum Cryptography Migration Strategy#3072
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viv wants to merge 1 commit intoigniterealtime:mainfrom
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ADR-007: Post-Quantum Cryptography Migration Strategy#3072viv wants to merge 1 commit intoigniterealtime:mainfrom
viv wants to merge 1 commit intoigniterealtime:mainfrom
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Quantum computers will eventually break RSA/ECDH used in TLS connections, and adversaries are already recording encrypted traffic for future decryption ("harvest now, decrypt later" attacks). This ADR documents Openfire's quantum readiness and proposes a phased migration strategy.
Key findings:
- Property encryption (Blowfish/AES with PBKDF2) is already quantum-resistant
- TLS connections using RSA-2048 will need hybrid PQC by 2028
The proposed timeline aligns with NIST PQC standards (FIPS 203/204/205) and coordinates with the broader XMPP ecosystem migration.
See: ADR-001, ADR-004, ADR-005, ADR-006 for related encryption decisions
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This was generated after a question arose in discussion around the recent encryption improvements. It appears to be useful and perhaps is something that should be considered, so I've created this PR to see if that holds true. |
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Summary
Context
With NIST publishing the first post-quantum cryptography standards in August 2024 (FIPS 203, 204, 205), and "harvest now, decrypt later" attacks already active, it's prudent to document Openfire's quantum threat exposure and plan for migration.
Key Findings
Proposed Timeline
Technology Choices
Why This Matters
Related ADRs
Notes for Reviewers
This ADR is intentionally forward-looking. It documents current quantum readiness and proposes a migration strategy, but does not require immediate implementation. The "Proposed" status indicates this is open for community discussion before acceptance.
Key questions for reviewers: