Device-Independent Security of Quantum Cryptography against Collective Attacks | Zendy

Antonio Acín | Zendy; Nicolas Brunner | Zendy; Nicolas Gisin | Zendy; Serge Massar | Zendy; Stefano Pironio | Zendy; Valerio Scarani | Zendy

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Device-Independent Security of Quantum Cryptography against Collective Attacks

Author(s) -

Antonio Acín,

Nicolas Brunner,

Nicolas Gisin,

Serge Massar,

Stefano Pironio,

Valerio Scarani

Publication year - 2007

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.98.230501

Subject(s) - quantum key distribution , quantum cryptography , computer science , computer security , key (lock) , quantum , cryptography , quantum information , physics , theoretical computer science , quantum mechanics

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.Journal Articleinfo:eu-repo/semantics/publishe

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