[Cryptech Tech] Comments on Alpha board schematics

[Fredrik Thulin]

On Wednesday, January 27, 2016 11:38:29 AM Joachim Strömbergson wrote:
> Aloha!
> 
> Fredrik Thulin wrote:
> > On Monday, January 25, 2016 04:28:24 PM Joachim Strömbergson wrote:
> >>> Having support for turning the
> >
> >>> entropy source off ana on adds quite a lot of complexity in terms
> >>> of
> >
> >>> warm up times and startup testing vs starvation of RNG output
> >>> and
> >
> >>> race problems.
> >
> > Don't we have this complexity already? We have to take care of it at
> > boot time I guess.
> 
> No we don't. There are some things in place and I've planned to do a 
lot
> of work. But that work stalled when Leif told me to cut back.

So as I would put it, we have the complexity (to deal with the problem) 
but not the solution?

My point is that we will have to deal with warmup/bootup tests 
regardless of if we do 1 or N bootups of the entropy source for every 1 
bootup of the HSM.

/Fredrik
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