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The worlds first uncrackable security system has been developed by researchers in Scotland, it has been claimed.

Computer scientists have long feared the arrival of quantum computing would allow encrypted data to be easily decoded by hackers.

But a global team,including scientists from the University of St Andrews, say they have achieved perfect secrecy by creating a chip which effectively generates a one-time-only key every time data is sent through it.

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Its the equivalent of standing talking to someone using two paper-cups attached by string, said Professor Andrea Di Falco of the School of Physics and Astronomy at the university. If you scrunched up the cups when speaking it would mask the sound, but each time it would be scrunched differently so it could never be hacked.

This new technique is absolutely unbreakable.

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Excerpt from:
Scientists in Scotland help develop worlds first encryption system that is unbreakable by hackers - The Independent