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Sorin SOVIANY, Cristina – Gabriela GHEORGHE, "The QKD (Quantum Key Distribution) Application in Cyber Security", Romanian Cyber Security Journal, ISSN 2668-6430, vol. 5(2), pp. 87-101, 2023. https://doi.org/10.54851/v5i2y202309
Romanian Cyber Security Journal / Fall 2023, No. 2, Vol. 5
The QKD (Quantum Key Distribution) Application in Cyber Security
Abstract
This paper makes a review of Quantum Key Distribution (QKD) protocols and focuses on their application in Cyber Security. The research work presents the results of some QKD simulations for both categories of protocols: single-photon protocols (based on Heisenberg’s uncertainty principle and the polarization state for a single photon) and entanglement-based protocols (based on entangled photon pairs). The simulations depict the secret key generation process. The reliability of the overall process strongly depends on the number of measurements. The QKD protocols represent a reliable approach to complete the conventional Cyber Security systems with use-cases requiring the reliable detection of the passive attacks.
Keywords
Passive Attacks, Quantum Key Distribution, Cyber Security, Entanglement