huawei

[eugen at leitl.org (Eugen Leitl)]

On Fri, Jun 14, 2013 at 08:34:49PM -0400, Scott Helms wrote:
> Is it possible?  Yes, but it's not feasible because the data rate would be
> too low.  That's what I'm trying to get across.  There are lots things that
> can be done but many of those are not useful.
> 
> I could encode communications in fireworks displays, but that's not
> effective for any sort of communication system.

Depends on the value of secrets leaked. Secret keys don't have a lot
of bits, and change rarely, if ever. Shell code is typically compact,
too. Something which requires several side effects acting constructively
is completely invisible, even if you're reading the source.