Quantum Key Distribution Protocols and the Fusion with Privacy Enhancing Technologies

Jincheng Zhang

Published Sep 4, 2026• 0 citations

Abstract

This paper explores the integration of Quantum Key Distribution (QKD) protocols with Privacy Enhancing Technologies (PETs) to bolster communication security. The core argument centers on the synergistic effect of combining these two fields, moving beyond isolated analyses of their individual security profiles. Specifically, we investigate the application of techniques like differential privacy within QKD systems to safeguard the confidentiality of the generated keys. The proposed framework addresses the vulnerabilities inherent in traditional QKD systems by proactively mitigating potential eavesdropping attacks while maintaining the key distribution process. We outline a methodology for incorporating PETs, focusing on algorithms that minimize information leakage about individual key shares. This work contributes to a more robust and secure communication paradigm, crucial for applications demanding high levels of security, such as governmental communications and financial transactions. The key mathematical concepts and formulas are presented within this document.

DOI: 10.5281/zenodo.22292279

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