how many qubits are needed - BSI report 2022 (Re: deflating heffalumps)

[Bernhard Reiter]

Jacob,

Am Freitag 03 Januar 2025 02:31:43 schrieb Jacob Bachmeyer via Gnupg-users:
> I have been looking for hard numbers for the applicability of Shor's
> algorithm to RSA for a long time. 

take a look at 

Quantum-safe cryptography – fundamentals, current developments and 
recommendations, BSI
from 18.05.2022 
https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Brochure/quantum-safe-cryptography.html?nn=916626

and the referenced study, it is a few years old now, but it explains the 
principles as far as I understand it.

Regards,
Bernhard
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