On Tue, 7 Jun 2011, Nico Williams wrote: > TEMPEST. > > I'd like keyboards with counter-measures (emanation of noise clicks) > or shielding to be on the market, and built-in for laptops.
Remember how well the original IBM PC "clicky keyboard" went over (I think I'm the only person in the US who actually liked it - veryone gave me theirs after "upgrading to the newer lightweight and silent ones): the user experience will always end up with a back seat when it's time to do the actual work in front of the screen. > I wonder whether touch-screen smartphones give off any useful RF > emanations regarding touches, drags, screen contents. I haven't done a lot of serious work there, but I did look once at an LG Optimus V out of idle curiosity: I don't think it would be very difficult to map many of it's leaky signals. Same for all smartphones in general. //Alif -- I hate Missouri. Land of the free, home of the perjuriously deranged. _______________________________________________ cryptography mailing list [email protected] http://lists.randombit.net/mailman/listinfo/cryptography
