Defense One | By: Patrick Tucker | GPE – November 12, 2017:
A team of Chinese researchers say they have completed the first long-distance quantum secure direct communication, a critical step toward sending messages that are truly safe from eavesdropping. Here’s why that matters: The feat, if verified, marks a critical step forward in the pursuit of communication that does not require end-to-end encryption and cannot be secretly intercepted by a third party.
Originally published November 09, 2017: The information traveled 2.7 kilometers along a quantum channel, the team said in a paper that was peer-reviewed by China’s Science Bulletin journal and placed online Oct. 22.
Today’s best encryption standards are nearly impossible to crack, but “nearly secure” is not “secure.” With enough computing power, they can be broken, just as Alan Turing’s Automatic Computing Engine penetrated Nazi Germany’s Enigma ciphers.
But quantum secure direct communication doesn’t rely on codes that can be cracked, but rather on something far more secure: the laws of physics…
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