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- Title
Comments on the Paper "Are There Enough Decoy States to Ensure Key Secrecy in Quantum Cryptography?" by S. N. Molotkov, K. S. Kravtsov, and M. I. Ryzhkin and on the Erratum to This Paper.
- Authors
Kronberg, D. A.; Kiktenko, E. O.; Trushechkin, A. S.; Fedorov, A. K.
- Abstract
In [1] (S. N. Molotkov, K. S. Kravtsov, and M. I. Ryzhkin, J. Exp. Theor. Phys. 128, 544 (2019)), the authors state that the decoy state method in the BB84 quantum cryptography protocol overestimates the achievable secret key generation rate, and therefore the generated key is not actually secret. This statement results from the error, acknowledged by the authors in [2] (S. N. Molotkov, K. S. Kravtsov, and M. I. Ryzhkin, J. Exp. Theor. Phys. 129, 319 (2019)); however, incorrect statements were made in [2] as well. Thus, incorrect statements in [1, 2] led to incorrect conclusions.
- Subjects
QUANTUM cryptography; AUTHORS
- Publication
Journal of Experimental & Theoretical Physics, 2022, Vol 134, Issue 5, p533
- ISSN
1063-7761
- Publication type
Letter to the Editor
- DOI
10.1134/S1063776122030074