626
Mathematician warns US spies may be weakening next-gen encryption
(www.newscientist.com)
This is a most excellent place for technology news and articles.
It's because they don't care about encryption when they can just side channel the endpoints. You can infer device state from observing EM emissions, and in theory observe keys being loaded into the registers under the right circumstances. This has been demonstrated conceptually many times over the past decade, using a wide variety of devices and methods.