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

[Joachim Strömbergson]

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Aloha!

Clifford Wolf, not Stoll. Sorry for the mixup.

Joachim Strömbergson wrote:
> Aloha!
> 
> As you might have seen here previously, we have discussed building
> our own tamper protected master key memory. The idea is to use a
> tiny, low power FPGA. The FPGA contains logic needed to implement:
> 
> 1. Interface to the main FPGA. Currently SPI, but consider UART.
> 
> 2. Storage of a master key with logic for anti-remanence (controlled 
> periodic bit flipping.
> 
> 3. Fast (ns) key erasure when detecting an event on an external
> input.
> 
> We are currently considering using the Lattice ICE devices. One of
> the chief reasons is the project IceStorm by Clifford stoll.
> 
> http://www.clifford.at/icestorm/
> 
> With the tool flow in Icestorm we should be able to show that the
> secure storage and protection of the "crown jewels", the master key
> does not rely on the implicit trust of proprietary tools and black
> box device features.
> 
> I'm considering buying one of the following boards. Neither of them
> are expensive. Both should have ample resources for what we intend to
> do. The question is more which one is easiest to interface to the
> Cryptech Alpha board for testing. Unless I'm missing some important
> detail.
> 
> http://www.latticesemi.com/icestick 
> http://www.latticesemi.com/en/Products/DevelopmentBoardsAndKits/iCE40HX8KBreakoutBoard.aspx
>
>  If you have any suggestions, comments, feedback I would appreciate
> them.
> 
> _______________________________________________ Tech mailing list 
> Tech at cryptech.is https://lists.cryptech.is/listinfo/tech

- -- 
Med vänlig hälsning, Yours

Joachim Strömbergson - Assured AB
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