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Asynchronous quantum key distribution on a relay network

Barnett, Stephen M. and Phoenix, Simon J. D. (2012) Asynchronous quantum key distribution on a relay network. Journal of Modern Optics, 59 (15). pp. 1349-1354. ISSN 0950-0340

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We show how quantum key distribution on a multi-user, multi-path, network can be used to establish a key between any two end-users in an asynchronous fashion using the technique of bit-transport. By a suitable adaptation of our previous secret-sharing scheme we show that an attacker has to compromise all of the intermediate relays on the network in order to obtain the key. Thus, two end-users can establish a secret key provided they trust at least one of the network relays.

Item type: Article
ID code: 41916
Keywords: quantum key distribution, secret sharing, optical networks, Physics, Atomic and Molecular Physics, and Optics
Subjects: Science > Physics
Department: Faculty of Science > Physics
Depositing user: Pure Administrator
Date Deposited: 05 Nov 2012 12:00
Last modified: 01 Oct 2015 19:42
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