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Researchers find hole in 'flawless' encryption technology

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Quantum cryptography, a new technology until now considered 100 per cent secure against attacks on sensitive data traffic, has a flaw after all, Swedish researchers say.

"In computer terms, we've found a bug," said Jan-Aake Larsson, an associate professor of applied mathematics at the Linkoeping University in southern Sweden.

"It was surprising - we didn't expect to find a flaw," he said, adding that he and another researcher at the university had also discovered a way to fix the problem.

https://abc.com.au/news/stories/2008/04/21/2223348.htm

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