[Cryptech Tech] Working memory on HSM for decrypted private key components?

[Rob Austein]

At Wed, 16 Dec 2015 13:45:19 +0100, Joachim Strömbergson wrote:
> Rob Austein wrote:
> > There was a discussion this morning about maybe including a jumper
> > on the Alpha board controlling whether the CPU can talk to the MKM,
> > so that the as-yet-unwritten MKM core doesn't become a blocking item.
> > As you describe it, the initial MKM core doesn't sound all that 
> > complicated, so maybe this is a non-issue, OTOH one more jumper on a 
> > prototype board is (probably) harmless.
> 
> Since the AVR can talk to the MKM and the CPU can talk to the AVR, would
> a third electrical path really be necessary?

If it prevents us from having developers sitting idle while waiting
for the MKM core, yes; otherwise, probably not.