[Cryptography] Some quantum computers might need more power than supercomputers

[Jan Dušátko]

Dne 09. 01. 26 v 9:15 Peter Gutmann via cryptography napsal(a):
> Jon Callas<jon at callas.org> writes:
>
>> Some quantum computers might need more power than supercomputers
> The German government (via the BSI) wrote a report on this and estimated that
> it would take 100 days and €4M in electricity to recover a single 2048-bit key
> on a quantum computer that doesn’t exist.  That's one single key.  There are 7
> trillion keys negotiated each year just for TLS web connections.
>
> Oh, and that's for integer factorisation, not (EC)DLP, so not actually useful
> for attacking the shopping list of common crypto protocols I mentioned
> earlier.
>
> Peter.
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May this work should be useful

Estimating the Energy Requirements to Operate a Cryptanalytically 
Relevant Quantum Computer 
https://media.licdn.com/dms/document/media/v2/D4E1FAQHzi9RTyvl3lg/feedshare-document-pdf-analyzed/B4EZ18e.bvJAAY-/0/1775909989427?e=1776902400&v=beta&t=srE4GEiT0eANSV2erykLD4aOHQkZG2wON6vfx33d_g0 
<https://media.licdn.com/dms/document/media/v2/D4E1FAQHzi9RTyvl3lg/feedshare-document-pdf-analyzed/B4EZ18e.bvJAAY-/0/1775909989427?e=1776902400&v=beta&t=srE4GEiT0eANSV2erykLD4aOHQkZG2wON6vfx33d_g0>

Regards

Jan

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Jan Dušátko

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