[Cryptech Tech] Alpha board strategy

Ben Laurie benl at google.com
Tue Feb 17 14:31:40 UTC 2015


On 17 February 2015 at 14:04, Joachim Strömbergson <joachim at secworks.se> wrote:
> More specifically the C7 version:
> http://www.altera.com/literature/hb/cyclone-v/cv_51001.pdf
>
> This device provides 150k logic elements, which is a bit more than 2x
> the amount provided by the Xilinx Spartan-6 LX45 on the Novena (if we
> allow us to do some apples and pears comparison). We would like to have
> the C9 device since it would give us headroom to handle all we think we
> want to put in the FPGA with room to spare.

Cool. That should be big enough to fit a CHERI CPU. As I mentioned
before, I think this is a better option than ARM on account of having
a far better memory protection model. Also means you don't have to
rely on the CPU being honest (if you believe its hard to subvert an
FPGA, that is).


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