Signal Protocol and Post-Quantum Ratchets

We are excited to announce a significant advancement in the security of the Signal Protocol: the introduction of the Sparse Post Quantum Ratchet (SPQR). This new ratchet enhances the Signal Protocol’s resilience against future quantum computing threats while maintaining our existing security guarantees of forward secrecy and post-compromise security. Read more...

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2025/10/02 09:00、Signal Blogが「Signal Protocol and Post-Quantum Ratchets」を公開しました (種別: セキュリティニュース)。関連する技術: Signal。