Abstract
Quantum cryptography systems combine two communication channels: a quantum and a classical one. (They can be physically implemented in the same fiber-optic link, which is employed as a quantum channel when one-photon states are transmitted and as a classical one when it carries classical data traffic.) Both channels are supposed to be insecure and accessible to an eavesdropper. Error correction in raw keys, interferometer balancing, and other procedures are performed by using the public classical channel. A discussion of the requirements to be met by the classical channel is presented.
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Original Russian Text © A.V. Timofeev, D.I. Pomozov, A.P. Makkaveev, S.N. Molotkov, 2007, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2007, Vol. 131, No. 5, pp. 771–789.
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Timofeev, A.V., Pomozov, D.I., Makkaveev, A.P. et al. Public classical communication in quantum cryptography: Error correction, integrity, and authentication. J. Exp. Theor. Phys. 104, 675–688 (2007). https://doi.org/10.1134/S1063776107050019
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DOI: https://doi.org/10.1134/S1063776107050019