[Cryptech Tech] Comments on Alpha board schematics

[Joachim Strömbergson]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Aloha!

Fredrik Thulin wrote:
> This is turning into something we need to talk about next time we
> meet face to face =). I think we have had different levels of
> ambition in mind here.

Sure I'm happy to talk about it. I don't think it is a matter of
ambition though. It is a matter of how the TRNG works and will be
working in v2 and how the systen inside of the FPGA will evolve.


> I was thinking that a reseed will likely always be a potentially 
> blocking operation because you need to assess the entropy from the 
> sources and, if it is not deemed good enough you need to wait for
> more or halt the reseed operation alltogether, or something.

Assessment of the entropy when the sources are running will happen
continuously and separately for each source. Reseed is done in a
non-blocking fashion today.

- -- 
Med vänlig hälsning, Yours

Joachim Strömbergson - Alltid i harmonisk svängning.
========================================================================
 Joachim Strömbergson          Secworks AB          joachim at secworks.se
========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: GPGTools - http://gpgtools.org
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
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=cMrF
-----END PGP SIGNATURE-----