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Frequency Side Channel Attack in Twin-Field QKD
The Frequency Side Channel Attack exploits imperfections in intensity modulation within Twin-Field Quantum Key Distribution (TF-QKD) systems, leading to frequency-based distinguishability between signal and decoy states. This vulnerability allows an eavesdropper to identify key information by observing frequency shifts induced by the modulation process.
Literature
[Lu2021] | Y. Lu, M. Jiang, Y. Wang, X. Zhang, F. Liu, C. Zhou, H. Li, and W. Bao. "Practical analysis of sending or not-sending twin-feld quantum key distribution with frequency side channels" In: Appl. Sci. 11(20), 9560. (2021) 10.3390/app11209560. |
Technique → Countermeasures
List of countermeasures applicable to this technique.
Items: 2
Description | Countermeasure |
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Consider this attack in your security proof. |