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Open AccessArticle

Cryptographic Aspects of Quantum Reading

Computer Science and York Centre for Quantum Technologies, University of York, Deramore Lane, York YO10 5GH, UK
Entropy 2015, 17(4), 2218-2227; https://doi.org/10.3390/e17042218
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)
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
MDPI and ACS Style

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

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