Signal recently announced that they have already added quantum safe public key crypto to their messaging platform. This is a great step forward for post quantum crypto and a good first proof of concept for the CRYSTALS-Kyber encryption protocl currently a finalist in the NIST post-quantum cryptography project.
As soon as a winner has been announced in the NIST competition has been announced you can expect that Underscore Backup will be upgraded to support it as an encryption algorithm for its backups. We are currently holding off because until the review is complete it is possible that a compromise might be found (Another finalist was recently compromised by academics). However, rest assured that Underscore Backup is closely monitoring this space with the goal of keeping our customers as safe as possible with current available technology and updates will be made available for free as always.
Photo by Fractal Hassan on Unsplash
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