[Cryptech Tech] Tamper detection

[Rob Austein]

At Tue, 19 Jul 2016 10:04:31 +0200, Jakob Schlyter wrote:
> 
> Richard Lamb has offered to help out with tamper detection and the plan 
> we have come up with is that he will create a small tamper daughterboard 
> that connects to the 10-pin tamper GPIO on the alpha board, along with 
> some updated code for the AVR. Once we have more experience with the 
> tamper circuits, we can fold the components into the main board.
> 
> For this to be really usable, we need a battery on the alpha board. This 
> can be implemented by adding a battery holder to the next rev
> and/or adding an external battery to rev03. Rick suggested that we might 
> want to use a larger battery in combination with a supercapacitor so the 
> battery can be replaced without loosing the MKM.

Sounds like an excellent plan to me, with the proviso that nothing too
exciting should happen if someone accidentally shorts the capacitor. :)