Cheers, I'll look through that in detail. I remember Fraunhofer doing some interesting research using PUFs creating a foil device that covers special chips, wh

Cheers, I'll look through that in detail. I remember Fraunhofer doing some interesting research using PUFs creating a foil device that covers special chips, where if the foil is tampered with, the memory of the chip is disrupted. It's called PEP foil if I recall correctly. Sergei's PhD thesis, is also an amazing read in case anyone hasn't seen it - http://www.cl.cam.ac.uk/~sps32/phd.html http://www.cl.cam.ac.uk/~sps32/phd.html