Eavesdropping and countermeasures for backflash side channel in quantum cryptography
PVP Pinheiro, P Chaiwongkhot, S Sajeed, RT Horn… - Optics express, 2018 - opg.optica.org
Quantum key distribution (QKD) promises information theoretic secure key as long as the
device performs as assumed in the theoretical model. One of the assumptions is an absence …
device performs as assumed in the theoretical model. One of the assumptions is an absence …
Hacking commercial quantum cryptography systems by tailored bright illumination
The peculiar properties of quantum mechanics allow two remote parties to communicate a
private, secret key, which is protected from eavesdropping by the laws of physics 1, 2, 3, 4 …
private, secret key, which is protected from eavesdropping by the laws of physics 1, 2, 3, 4 …
Hacking single-photon avalanche detectors in quantum key distribution via pulse illumination
Quantum key distribution (QKD) has been proved to be information-theoretically secure in
theory. Unfortunately, the imperfect devices in practice compromise its security. Thus, to …
theory. Unfortunately, the imperfect devices in practice compromise its security. Thus, to …
Thermal blinding of gated detectors in quantum cryptography
It has previously been shown that the gated detectors of two commercially available
quantum key distribution (QKD) systems are blindable and controllable by an eavesdropper …
quantum key distribution (QKD) systems are blindable and controllable by an eavesdropper …
Quantum key distribution with distinguishable decoy states
The decoy-state protocol has been considered to be one of the most important methods to
protect the security of quantum key distribution (QKD) with a weak coherent source. Here we …
protect the security of quantum key distribution (QKD) with a weak coherent source. Here we …
Afterpulse analysis for quantum key distribution
The afterpulse effect is an intrinsic characteristic of the single-photon avalanche photodiode
that has been widely used in quantum key distribution (QKD). As QKD systems move into the …
that has been widely used in quantum key distribution (QKD). As QKD systems move into the …
Quantified effects of the laser-seeding attack in quantum key distribution
Quantum key distribution (QKD) enables private communications with information-theoretic
security. To guarantee the practical security of QKD, it is essential that QKD systems are …
security. To guarantee the practical security of QKD, it is essential that QKD systems are …
After-gate attack on a quantum cryptosystem
We present a method to control the detection events in quantum key distribution systems that
use gated single-photon detectors. We employ bright pulses as faked states, timed to arrive …
use gated single-photon detectors. We employ bright pulses as faked states, timed to arrive …
Quantum eavesdropping without interception: an attack exploiting the dead time of single-photon detectors
The security of quantum key distribution (QKD) can easily be obscured if the eavesdropper
can utilize technical imperfections in the actual implementation. Here, we describe and …
can utilize technical imperfections in the actual implementation. Here, we describe and …
[PDF][PDF] Feasibility study of free-space quantum key distribution in the mid-infrared
T Aellen, M Giovannini, J Faist… - Quantum Information …, 2008 - researchgate.net
We report on a feasibility study of a free-space Quantum Key Distribution setup operating at
a mid-infrared wavelength. Alice sends polarization-coded pseudo-single photons from a …
a mid-infrared wavelength. Alice sends polarization-coded pseudo-single photons from a …