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Quantum Cryptography Security
Active beam splitting attack applied to differential phase shift quantum key distribution protocol
arXiv
Authors: A. S. Avanesov, D. A. Kronberg, A. N. Pechen
Year
2019
Paper ID
15463
Status
Preprint
Abstract Read
~2 min
Abstract Words
78
Citations
N/A
Abstract
The differential phase shift quantum key distribution protocol is of high interest due to its relatively simple practical implementation. This protocol uses trains of coherent pulses and allows the legitimate users to resist individual attacks. In this paper, a new attack on this protocol is proposed which is based on the idea of information extraction from the part of each coherent state and then making decision about blocking the rest part depending on the amount of extracted information.
Why This Paper Matters
- This paper contributes to the Quantum Cryptography & Security research area in the Quantum Articles archive.
- It adds a 2019 reference point for readers tracking recent quantum research.
- The differential phase shift quantum key distribution protocol is of high interest due to its relatively simple practical implementation.
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