Quantum-secure authentication of a physical unclonable key

S.A. Goorden, Marcel Horstmann, Allard Mosk, B. Skoric, Pepijn Willemszoon Harry Pinkse

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Authentication of persons and objects is a crucial aspect of security. We experimentally demonstrate quantumsecure authentication (QSA) of a classical multiplescattering key. The key is authenticated by illuminating it with a light pulse containing fewer photons than spatial degrees of freedom and verifying the spatial shape of the reflected light. Quantum-physical principles forbid an attacker to fully characterize the incident light pulse. Therefore, he cannot emulate the key by digitally constructing the expected optical response, even if all information about the key is publicly known. QSA uses a key that cannot be copied due to technological limitations and is quantum-secure against digital emulation. Moreover, QSA does not depend on secrecy of stored data, does not depend on unproven mathematical assumptions, and is straightforward to implement with current technology. © 2014 Optical Society of America
Original languageEnglish
Pages (from-to)421-424
JournalOptica
Volume1
Issue number6
DOIs
Publication statusPublished - 15 Dec 2014

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Authentication
pulses
Photons
degrees of freedom
photons

Keywords

  • IR-93912
  • METIS-308610

Cite this

Goorden, S.A. ; Horstmann, Marcel ; Mosk, Allard ; Skoric, B. ; Pinkse, Pepijn Willemszoon Harry. / Quantum-secure authentication of a physical unclonable key. In: Optica. 2014 ; Vol. 1, No. 6. pp. 421-424.
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Goorden, SA, Horstmann, M, Mosk, A, Skoric, B & Pinkse, PWH 2014, 'Quantum-secure authentication of a physical unclonable key' Optica, vol. 1, no. 6, pp. 421-424. https://doi.org/10.1364/OPTICA.1.000421

Quantum-secure authentication of a physical unclonable key. / Goorden, S.A.; Horstmann, Marcel; Mosk, Allard; Skoric, B.; Pinkse, Pepijn Willemszoon Harry.

In: Optica, Vol. 1, No. 6, 15.12.2014, p. 421-424.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Quantum-secure authentication of a physical unclonable key

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AU - Horstmann, Marcel

AU - Mosk, Allard

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AU - Pinkse, Pepijn Willemszoon Harry

PY - 2014/12/15

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N2 - Authentication of persons and objects is a crucial aspect of security. We experimentally demonstrate quantumsecure authentication (QSA) of a classical multiplescattering key. The key is authenticated by illuminating it with a light pulse containing fewer photons than spatial degrees of freedom and verifying the spatial shape of the reflected light. Quantum-physical principles forbid an attacker to fully characterize the incident light pulse. Therefore, he cannot emulate the key by digitally constructing the expected optical response, even if all information about the key is publicly known. QSA uses a key that cannot be copied due to technological limitations and is quantum-secure against digital emulation. Moreover, QSA does not depend on secrecy of stored data, does not depend on unproven mathematical assumptions, and is straightforward to implement with current technology. © 2014 Optical Society of America

AB - Authentication of persons and objects is a crucial aspect of security. We experimentally demonstrate quantumsecure authentication (QSA) of a classical multiplescattering key. The key is authenticated by illuminating it with a light pulse containing fewer photons than spatial degrees of freedom and verifying the spatial shape of the reflected light. Quantum-physical principles forbid an attacker to fully characterize the incident light pulse. Therefore, he cannot emulate the key by digitally constructing the expected optical response, even if all information about the key is publicly known. QSA uses a key that cannot be copied due to technological limitations and is quantum-secure against digital emulation. Moreover, QSA does not depend on secrecy of stored data, does not depend on unproven mathematical assumptions, and is straightforward to implement with current technology. © 2014 Optical Society of America

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