Clifford group restricted eavesdroppers in quantum key distribution

Autor: Govia, L. C. G., Bunandar, D., Lin, J., Englund, D., Lütkenhaus, N., Krovi, H.

Publikováno v: Phys. Rev. A 101, 062318 (2020)

Quantum key distribution (QKD) promises provably secure cryptography, even to attacks from an all-powerful adversary. However, with quantum computing development lagging behind QKD, the assumption that there exists an adversary equipped with a univer

Externí odkaz: http://arxiv.org/abs/1910.10564

Continuous Variable Quantum Cryptography - beating the 3 dB loss limit

Autor: Silberhorn, Ch., Ralph, T. C., Lütkenhaus, N., Leuchs, G.

Publikováno v: Phys. Rev. Lett. 89, 167901 (2002)

We demonstrate that secure quantum key distribution systems based on continuous variables implementations can operate beyond the apparent 3 dB loss limit that is implied by the beam splitting attack . The loss limit was established for standard minim

Externí odkaz: http://arxiv.org/abs/quant-ph/0204064

Security against eavesdropping in quantum cryptography

Autor: Lütkenhaus, N., Barnett, Stephen M.

Publikováno v: Proceedings of an International Workshop on Quantum Communication, Computing, and Measurement, held September 25-30 1996 in Shizuoka, Japan, Plenum Press, New York (1997)

In this article we deal with the security of the BB84 quantum cryptography protocol over noisy channels using generalized privacy amplification. For this we estimate the fraction of bits needed to be discarded during the privacy amplification step. T

Externí odkaz: http://arxiv.org/abs/quant-ph/9711033

Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.

Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.