[Cryptech Tech] New Avalanche board for Novena?

Joachim Strömbergson joachim at secworks.se
Fri Oct 3 21:58:44 UTC 2014


3 okt 2014 kl. 15:05 skrev Randy Bush <randy at psg.com>:

>>> why are we going down this path on the novena board?  this seems like
>>> it's a real board design, and belongs on the tamper wrapped carrier
>>> with the fpga and arm.
>> Why not?
> did you see joachim's high priority task list?
> it is bad enough that he likes blinkenlights :)  let's not dos him
> with unnecessary complexity.

Bad? Those LEDs are not just for dog & pony, nor personal amusement. The LEDSs on the DE0 and the gpio headers has been great tools for debugging during development.

And who doesn't like LEDs? Esp blue ones,

> or do we think we are gonna learn something useful by putting a flash on
> a noise board and make js have to drive it over that set of pins, which
> i presume will be throw-away code?

Yes on the learn part. Maybe not on the throw away part.
But probably not at this moment.

>> It has to be developed sometime, and retrofitting the key storage
>> module in later seems more difficult to me than having it early on.
>> Just imagine a tamper boundary around the whole Novena including the
>> expansion board ;)
> that is my premise.  which is why i said that the novena has ram, use
> it.  or, if we want flash and other toys, stick a board in the
> micro-pcie slot where it will be on a 'normal' bus accessible to the
> arm as well as the fpga, and in a 'normal' fashion.
> randy

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