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Quantum data locking for high-rate private communication

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Quantum data locking for high-rate private communication. / Lupo, Cosmo; Lloyd, Seth.

In: New Journal of Physics, Vol. 17, 033022, 12.03.2015.

Research output: Contribution to journalArticle

Harvard

Lupo, C & Lloyd, S 2015, 'Quantum data locking for high-rate private communication', New Journal of Physics, vol. 17, 033022. https://doi.org/10.1088/1367-2630/17/3/033022

APA

Lupo, C., & Lloyd, S. (2015). Quantum data locking for high-rate private communication. New Journal of Physics, 17, [033022]. https://doi.org/10.1088/1367-2630/17/3/033022

Vancouver

Lupo C, Lloyd S. Quantum data locking for high-rate private communication. New Journal of Physics. 2015 Mar 12;17. 033022. https://doi.org/10.1088/1367-2630/17/3/033022

Author

Lupo, Cosmo ; Lloyd, Seth. / Quantum data locking for high-rate private communication. In: New Journal of Physics. 2015 ; Vol. 17.

Bibtex - Download

@article{7f1f5a542a624664bad48acc2655e05f,
title = "Quantum data locking for high-rate private communication",
abstract = "We show that, if the accessible information is used as a security quantifier, quantum channels with a certain symmetry can convey private messages at a tremendously high rate, as high as less than one bit below the rate of non-private classical communication. This result is obtained by exploiting the quantum data locking effect. The price to pay to achieve such a high private communication rate is that accessible information security is in general not composable. However, composable security holds against an eavesdropper who is forced to measure her share of the quantum system within a finite time after she gets it.",
keywords = "quantum communication, quantum data locking, quantum enigma machine",
author = "Cosmo Lupo and Seth Lloyd",
year = "2015",
month = "3",
day = "12",
doi = "10.1088/1367-2630/17/3/033022",
language = "English",
volume = "17",
journal = "New Journal of Physics",
issn = "1367-2630",
publisher = "IOP Publishing Ltd.",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Quantum data locking for high-rate private communication

AU - Lupo, Cosmo

AU - Lloyd, Seth

PY - 2015/3/12

Y1 - 2015/3/12

N2 - We show that, if the accessible information is used as a security quantifier, quantum channels with a certain symmetry can convey private messages at a tremendously high rate, as high as less than one bit below the rate of non-private classical communication. This result is obtained by exploiting the quantum data locking effect. The price to pay to achieve such a high private communication rate is that accessible information security is in general not composable. However, composable security holds against an eavesdropper who is forced to measure her share of the quantum system within a finite time after she gets it.

AB - We show that, if the accessible information is used as a security quantifier, quantum channels with a certain symmetry can convey private messages at a tremendously high rate, as high as less than one bit below the rate of non-private classical communication. This result is obtained by exploiting the quantum data locking effect. The price to pay to achieve such a high private communication rate is that accessible information security is in general not composable. However, composable security holds against an eavesdropper who is forced to measure her share of the quantum system within a finite time after she gets it.

KW - quantum communication

KW - quantum data locking

KW - quantum enigma machine

UR - http://www.scopus.com/inward/record.url?scp=84929001300&partnerID=8YFLogxK

U2 - 10.1088/1367-2630/17/3/033022

DO - 10.1088/1367-2630/17/3/033022

M3 - Article

VL - 17

JO - New Journal of Physics

JF - New Journal of Physics

SN - 1367-2630

M1 - 033022

ER -