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Entropy 2015, 17(4), 2218-2227; doi:10.3390/e17042218

Cryptographic Aspects of Quantum Reading

Computer Science and York Centre for Quantum Technologies, University of York, Deramore Lane, York YO10 5GH, UK
Received: 10 March 2015 / Revised: 4 April 2015 / Accepted: 8 April 2015 / Published: 13 April 2015
(This article belongs to the Special Issue Quantum Cryptography)
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Abstract

Besides achieving secure communication between two spatially-separated parties,another important issue in modern cryptography is related to secure communication intime, i.e., the possibility to confidentially store information on a memory for later retrieval.Here we explore this possibility in the setting of quantum reading, which exploits quantumentanglement to efficiently read data from a memory whereas classical strategies (e.g., basedon coherent states or their mixtures) cannot retrieve any information. From this point ofview, the technique of quantum reading can provide a new form of technological security fordata storage. View Full-Text
Keywords: quantum reading; data storage; security; quantum entanglement; quantumchannel discrimination; quantum fidelity; Gaussian states quantum reading; data storage; security; quantum entanglement; quantumchannel discrimination; quantum fidelity; Gaussian states
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Spedalieri, G. Cryptographic Aspects of Quantum Reading. Entropy 2015, 17, 2218-2227.

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