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Kvantovaya Elektronika, 2019, Volume 49, Number 10, Pages 974–981 (Mi qe17129)  

Quantum cryptography

Coherent-state quantum cryptography using pseudorandom number generators

A. S. Avanesovab, D. A. Kronbergacb

a Steklov Mathematical Institute of Russian Academy of Sciences, Moscow
b Moscow Institute of Physics and Technology (State University), Dolgoprudny, Moscow region
c International Center for Quantum Optics and Quantum Technologies (the Russian Quantum Center), Moscow, Skolkovo

Abstract: Quantum key distribution plays an important role in modern cryptography, since the security of the transmitted keys is guaranteed by fundamental laws of nature. A method using pseudorandom number generators well known from classical cryptography is considered. It is shown that their use in quantum cryptography makes it possible to increase the key generation rate under very weak assumptions about the capabilities of the eavesdropper. A practical scheme of a coherent-state quantum key distribution protocol using pseudorandom sequences is proposed. The cryptographic strength of the proposed protocol against a beam-splitting attack is considered.

Keywords: quantum cryptography, quantum information, coherent states, pseudorandom number generators.

Funding Agency Grant Number
Russian Science Foundation 18-71-00074


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English version:
Quantum Electronics, 2019, 49:10, 974–981

Received: 30.04.2019
Revised: 28.06.2019

Citation: A. S. Avanesov, D. A. Kronberg, “Coherent-state quantum cryptography using pseudorandom number generators”, Kvantovaya Elektronika, 49:10 (2019), 974–981 [Quantum Electron., 49:10 (2019), 974–981]

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  • Квантовая электроника Quantum Electronics
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