An all-optical teleportation attack can perform collective eavesdropping in Gaussian QKD without channel purification, reaching optimality only with infinite entanglement and beating individual attacks with finite resources.
Secure quantum key distribution with realistic devices
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
abstract
In principle, quantum key distribution (QKD) offers information-theoretic security based on the laws of physics. In practice, however, the imperfections of realistic devices might introduce deviations from the idealized models used in security analyses. Can quantum code-breakers successfully hack real systems by exploiting the side channels? Can quantum code-makers design innovative counter-measures to foil quantum code-breakers? This article reviews theoretical and experimental progress in the practical security aspects of quantum code-making and quantum code-breaking. After numerous attempts, researchers now thoroughly understand and are able to manage the practical imperfections. Recent advances, such as the measurement-device-independent protocol, have closed the critical side channels in the physical implementations, paving the way for secure QKD with realistic devices.
fields
quant-ph 1years
2019 1verdicts
CONDITIONAL 1representative citing papers
citing papers explorer
-
Teleportation-based collective attacks in Gaussian quantum key distribution
An all-optical teleportation attack can perform collective eavesdropping in Gaussian QKD without channel purification, reaching optimality only with infinite entanglement and beating individual attacks with finite resources.