Could a cellphone camera give a quantum boost to cryptography programs? That was the pitch that surfaced in a paper this week from a group of researchers at the University of Geneva. The paper studied the visual noise patterns from the camera on a Nokia N9 smartphone, digging deep enough to track quantum fluctuations. If used right, those fluctuations could provide a source of perfectly random noise that would make a huge difference in future encryption protocols.
Traditional computing often has a hard time producing the necessary chaos
The group was trying to solve a persistent problem for cryptography software. For encryption to work, it needs a steady supply of random numbers to throw attackers off the scent. Traditional computation...
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