[Cryptech Tech] Seeking comments on a proposal for changes to the Cryptech RNG design.

[Joachim Strömbergson]

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Aloha!

Manuel Domke wrote:
> I see there is a need to make it smaller/faster but I don't think its
> a good option to "downgrade" to SHA-256. From the (long-term)
> security perspective I'd prefer using SHA-3 (Keccak-1600) instead of
> SHA-2, like its done in my favorite entropy source - the Infinite
> Noise TRNG - but whitening is fully implemented in software.
> 
> Maybe Blake2s is a good option to go for now? Especially when you
> have an (partial) implementation. Its also been an SHA-3 finalist
> just like the winner Keccak-1600.

Cryptech has a SHA-3 core and could be used here.

https://trac.cryptech.is/wiki/GitRepositories/core/hash/sha3

The interface is a bit different, but could be adapted. Thanks for the
suggestions and feedback.

- -- 
Med vänlig hälsning, Yours

Joachim Strömbergson - Assured AB
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