[Cryptech Core] test ipr case

[Randy Bush]

> I'm guessing that can't really be answered without becoming more
> concrete, as in "we have this design X, will that fly?".

that was my worry.  but maybe something such as

   we are looking at sources of entropy for a fpga/asic-based true
   random number generator.  among other sources, we are looking at
   zenier diode breakdown noise.  is there something such as a list of
   ipr minefields in this area?

randy