[Cryptography] quantum computers & crypto

Peter Gutmann pgut001 at cs.auckland.ac.nz
Sun Oct 31 03:54:36 EDT 2021

Ray Dillinger <bear at sonic.net> writes:

>All software with symmetric keys upgraded to handle keys twice as long so
>symmetric crypto can be secure in a post-QC world?  Harmless.

Cost of replacing the entire global infrastructure that we've spent forty odd
years building with non-PQ crypto?  Boundless.


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