[Cryptech Tech] EC benchmarks on the STM32

[Joachim Strömbergson]

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Aloha!

FYI: I stumbled upon some interesting EC-benchmarks on different ARM MCU
architectures (M0 -> M4). Some of them are basically the same as the one
we are targeting on the Alpha board (albeit with lower clock freq).

https://www.ietf.org/proceedings/92/slides/slides-92-lwig-3.pdf

There some weirdness in the preso. The performance from the same SW as
measuered on the same architecture (but chips from different chips)
differs closer to 2x with the difference in clock speed. But there are
quite a lot of good stuff in the preso.

And yes, Curve25519 is waay faster. The Donna implementation is what
I've used on a Cortex-M0.
- -- 
Med vänlig hälsning, Yours

Joachim Strömbergson - Alltid i harmonisk svängning.
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 Joachim Strömbergson          Secworks AB          joachim at secworks.se
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