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+ - Scientist make quantum encryption breakthrough

Submitted by
Madas
Madas writes "Scientists working in Cambridge, England have managed to make quantum encryption completely secure by putting decoy pulses in the key transmission stream. According to the story this paves the way for safe, encrypted high-speed data links. Could this allow completely private transmission of data away from snooping eyes and ears? Or will it mean film studios can stop movies from being copied when travelling on the internet?"

We warn the reader in advance that the proof presented here depends on a clever but highly unmotivated trick. -- Howard Anton, "Elementary Linear Algebra"

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