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 >
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