A review of security evaluation of practical quantum key distribution system

S Sun, A Huang - Entropy, 2022 - mdpi.com
Although the unconditional security of quantum key distribution (QKD) has been widely
studied, the imperfections of the practical devices leave potential loopholes for Eve to spy …

Implementation security in quantum key distribution

V Zapatero, Á Navarrete, M Curty - Advanced Quantum …, 2024 - Wiley Online Library
The problem of implementation security in quantum key distribution (QKD) refers to the
difficulty of meeting the requirements of mathematical security proofs in real‐life QKD …

Preparing a commercial quantum key distribution system for certification against implementation loopholes

V Makarov, A Abrikosov, P Chaiwongkhot… - Physical Review …, 2024 - APS
A commercial quantum key distribution (QKD) system needs to be formally certified to
enable its wide deployment. The certification should include the system's robustness against …

Characterization of state-preparation uncertainty in quantum key distribution

A Huang, A Mizutani, HK Lo, V Makarov, K Tamaki - Physical Review Applied, 2023 - APS
To achieve secure quantum key distribution, all imperfections in the source unit must be
incorporated in a security proof and measured in the lab. Here we perform a proof-of …

Effect of light injection on the security of practical quantum key distribution

L Han, Y Li, H Tan, W Zhang, W Cai, J Yin, J Ren… - Physical Review …, 2023 - APS
Quantum key distribution (QKD) based on the fundamental laws of quantum physics can
allow the distribution of secure keys between distant users. However, imperfections in …

An approach for security evaluation and certification of a complete quantum communication system

S Sajeed, P Chaiwongkhot, A Huang, H Qin… - Scientific Reports, 2021 - nature.com
Although quantum communication systems are being deployed on a global scale, their
realistic security certification is not yet available. Here we present a security evaluation and …

Nonclassical attack on a quantum key distribution system

A Pljonkin, D Petrov, L Sabantina, K Dakhkilgova - Entropy, 2021 - mdpi.com
The article is focused on research of an attack on the quantum key distribution system and
proposes a countermeasure method. Particularly noteworthy is that this is not a classic …

Ability of strong-pulse illumination to hack self-differencing avalanche photodiode detectors in a high-speed quantum-key-distribution system

B Gao, Z Wu, W Shi, Y Liu, D Wang, C Yu, A Huang… - Physical review A, 2022 - APS
Implementation of high-speed quantum key distribution (QKD) has become one of the major
focuses in the field, which produces a high key-generation rate for applications. To achieve …

Characterization of intensity correlation via single-photon detection in quantum key distribution

T **ng, J Liu, L Zhang, MY Wang, YH Li, R Liu… - Optics …, 2024 - opg.optica.org
One of the most significant vulnerabilities in the source unit of quantum key distribution
(QKD) is the correlation between quantum states after modulation, which shall be …

Randomized ancillary qubit overcomes detector-control and intercept-resend hacking of quantum key distribution

SF Hegazy, SSA Obayya… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Practical implementations of quantum key distribution (QKD) have been shown to be subject
to various detector side-channel attacks that compromise the promised unconditional …