I don't see it as much as a QKD advancement but as a Satellite and tracking advancement, as you have to somehow receive individual photons from earth while orbiting at 30 km/s. And if you can track your satellites this accurately, you can track everybody elses.
On 11/08/17 03:41, Jean-Philippe Aumasson wrote: > Mostly PR I believe. With this satellite-QKD thing the Chinese probably > want to show their own expertise (if they built this alone and not with > Western companies), whereas a couple years ago they were discussing with > IdQuantique and others to build QKD backbones. Are the Chinese into > "quantum supremacy" projects like Europeans? > > I don't see satellite-QKD as a way to defeat future (?) quantum computers, > cos satellite-to-earth coms are usually symmetric-crypto based, something > unbroken by a QC. BTW QKD research doesn't have much to do with QC. > > On Thu, Aug 10, 2017 at 5:42 PM dave aitel <[email protected]> wrote: > >> While nothing cryptographic has leaked from the Snowden documents to the >> public, Edward Snowden did give up a lot of things to the Chinese to get >> out of Hong Kong, and I notice that they've recently invested very >> heavily in Quantum Key Distrubtion (for example, shooting satellites up >> with entangled photons, etc.) >> >> So my question is: Is this something they learned about US/Russian >> capability against other cryptographics that we are not aware of? Did >> they study up and learn something themselves that we are not aware of? >> Or is this a total lark or PR stunt? Or maybe it's just not that much >> money to them, so they might as well? >> >> -dave >> >> _______________________________________________ >> Dailydave mailing list >> [email protected] >> https://lists.immunityinc.com/mailman/listinfo/dailydave >> > > > > _______________________________________________ > Dailydave mailing list > [email protected] > https://lists.immunityinc.com/mailman/listinfo/dailydave > _______________________________________________ Dailydave mailing list [email protected] https://lists.immunityinc.com/mailman/listinfo/dailydave
