[Cryptech Core] alpha board paper sketch

Fredrik Thulin fredrik at thulin.net
Tue Mar 17 14:02:34 UTC 2015


On Tuesday, March 17, 2015 03:00:35 PM Peter Stuge wrote:
> Would have liked to be there.
> 
> I like the idea of a button to exercise tamper detection.
> 
> So the tamper detector is the root of trust, since it owns the MKM.
> 
> Is AVR8 a Harvard architecture? I think that would be appropriate.
> 
> Why is CPU allowed to send *data* to tamper detector? I would expect
> one or more discrete signals instead.
> 
> Also, should there be a discrete component for
> monitoring/auditing/accountability, e.g. watching FPGA's MKM use?
> 
> And what expectations are there on the two USB-SPI interfaces from CPU?

The tech@ list is the appropriate place to discuss these things. In fact, 
several of them were discussed there last week. Hint hint ;).

/Fredrik




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