[Cryptech Tech] Lattice boards for developing a custom master key memory

[Joachim Strömbergson]

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Aloha!

Pavel Shatov wrote:
> Speaking of asynchronous signals, I think the original idea was to
> have several tamper detection inputs in the tiny MKM FPGA. Suppose
> that they are active-low, this way as soon as a tamper event from a
> certain sensor is detected, the corresponding input goes low. Tamper
> detection inputs can be AND'ed together and routed to the reset
> signals of the flops where the master key stored. This way the master
> key can we wiped asynchronously and even if the clock signal is
> stopped for whatever reason.

As long as we can guarantee (as in really guarantee) that we never get a
drop on the input by mistake (glitches, drops etc) then sure
Your, Stuges and Fredriks knowledge on supply, board design, signal
integrity will be needed here.

- -- 
Med vänlig hälsning, Yours

Joachim Strömbergson - Assured AB
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