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Researchers publish post-quantum upgrade to the Signal protocol

September 7, 2022

PQShield published a white paper that lays out the quantum threat to secure end-to-end messaging and explains how post-quantum cryptography (PQC) can be added to the Signal secure messaging protocol to protect it from quantum attacks.

The company is offering to license its end-to-end encrypted messaging IP to the Signal Foundation pro bono – if/when they plan to upgrade their system – to support the non-profit behind the free encrypted messaging app, Signal, in its mission to make secure communication accessible to everyone.

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