ASCON KMAC on a Arduino Elegoo Mega 2560

[Robert Moskowitz]

Things seem to have been quite for the past year...

Can some one point me to ASCON code a student can use for developing on the Elegoo Mega 2560?

The Mega 2560 will support a few sensors and the data has to go authenticated to the upstream analyzer.

Thus all we "need" is a KMAC type function as we discussed a year ago in the workshop.

Static keying will have be used at this stage of the student's work (the actual sensor part IS more important to complete this summer!).  Plus what protocol to use as the student has not found any standard security protocol like D/TLS.  I may have to direct them in just using something like the DTLS envelope.

thank you!

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Robert Moskowitz
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HTT Consulting
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[Rhys Weatherley]

Hi Robert,

I believe you may be referring to my talk on KMAC and other uses for ASCON last year.  The implementations of the ASCON primitives and the things I built on top are part of "ASCON Suite":

Code: https://github.com/rweather/ascon-suite

Documentation: https://rweather.github.io/ascon-suite/index.html

KMAC API: https://github.com/rweather/ascon-suite/blob/master/src/ascon/kmac.h

The paper I presented: https://eprint.iacr.org/2023/391

ASCON Suite can be unpacked into the user's "sketchbook/libraries" directory and used directly as a library in the Arduino IDE.  I have tested it on a Mega 2560 myself, although not the Elegoo variant.  It should work, or the student can e-mail me for help on getting it to work.

Cheers,

Rhys.

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