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SUMMARY:Bell-based Quantum Key Distribution - Lluis Masanes\, University o
 f Barcelona
DTSTART:20091028T141500Z
DTEND:20091028T151500Z
UID:TALK21117@talks.cam.ac.uk
CONTACT:13971
DESCRIPTION:This talk is about secret key distribution from correlations t
 hat violate Bell inequalities. A security proof can be obtained from the a
 ssumption that arbitrarily-fast signaling between different subsystems is 
 impossible. This assumption is imposed at the level of the outcome probabi
 lities given the choice of observables\, therefore\, the scheme remains se
 cure in situations where the honest parties distrust their quantum apparat
 uses.
LOCATION:MR14\, Centre for Mathematical Sciences
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