Open access
Aug 2026
Detecting Practical Attacks for Continuous-Variable Quantum Key Distribution Using Quantum k-Nearest Neighbor
This paper proposes a quantum k-nearest neighbor (QkNN)-based multiclass attack detection framework for CVQKD systems that establishes a direct connection between attack detection and secret key generation, enabling a more realistic security evaluation for practical CVQKD systems.
Chan Liu, Junhao Li, Q. Liao
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