[Cryptography] Defending against weak/trapdoored keys

Peter Gutmann pgut001 at cs.auckland.ac.nz
Fri Oct 14 18:33:44 EDT 2016


Jan Dušátko <jan at dusatko.org> writes:

>Dne 14.10.2016 v 2:14 Peter Gutmann napsal(a):
>> Jan Dušátko <jan at dusatko.org> writes:
>>> Experience, generating DH parameters on Intel(R) Core(TM) i7-3612QE CPU @
>>> 2.10GHz :
>> What are the figures for a 70Mhz Cortex M3?
>
>I haven't tested those on different that amd64/x86 architecture. More, this
>is about speed of generating parameters, not about overall speed of
>encryption.

The point I was making, in my usual indirect manner :-), was that the
important factor isn't how fast you can get it to go on the most bleeding-edge
CPU available, it's how it works on the trailing edge ones that are still in
use everywhere.

Peter.


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