Researchers claim stealth encryption breakthrough
Two U.S. researchers believe they have found a way to transmit information safely over an optical network without fear of interception. The technique hinges on transmission of encrypted data in the "noise" of signals along fibre optic cables.
Their method take advantage of the fact fibre-optic systems inevitably have low levels of "noise"--the random jitters in the light waves that are used to transmit information through a network. The technique, developed by two researchers at Princeton University, hides the secret encrypted message in this optical noise. Researchers claim stealth encryption breakthrough - Security - News - ZDNet Asia
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