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    Signal (signalapp@mastodon.world)'s status on Friday, 03-Oct-2025 04:09:37 JST Signal Signal

    In 2023, Signal was the first mainstream messenger to enable post-quantum cryptography. We’re still ahead of the (elliptical) curve, implementing a new hybrid PQ ratchet ensuring Forward Secrecy & Post-Compromise Security even in a post-quantum world. https://signal.org/blog/spqr/

    In conversation about 7 months ago from mastodon.world permalink

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    1. Domain not in remote thumbnail source whitelist: signal.org
      Signal Protocol and Post-Quantum Ratchets
      from @signalapp
      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 guar...

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