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Title

Device-independent security of quantum cryptography against collective attacks

Authors
Massar, Serge
Published in Physical Review Letters. 2007, vol. 98, no. 23, p. 230501
Abstract We present the optimal collective attack on a quantum key distribution protocol in the "device-independent" security scenario, where no assumptions are made about the way the quantum key distribution devices work or on what quantum system they operate. Our main result is a tight bound on the Holevo information between one of the authorized parties and the eavesdropper, as a function of the amount of violation of a Bell-type inequality.
Stable URL https://archive-ouverte.unige.ch/unige:12851
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PMID: 17677888
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Deposited on : 2010-12-10

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