Countermeasure against blinding attacks on low-noise detectors with background noise cancellation scheme
arXiv:1611.04267 · doi:10.1103/PhysRevA.94.062321
Abstract
We developed a countermeasure against blinding attacks on low-noise detectors with a background noise cancellation scheme in quantum key distribution (QKD) systems. Background noise cancellation includes self-differencing and balanced avalanche photon diode (APD) schemes and is considered a promising solution for low-noise APDs, which are critical components in high-performance QKD systems. However, its vulnerability to blinding attacks has been recently reported. In this work, we propose a new countermeasure that prevents this potential security loophole from being used in detector blinding attacks. An experimental QKD setup is implemented and various tests are conducted to verify the feasibility and performance of the proposed method. The obtained measurement results show that the proposed scheme successfully detects occurring blinding-attack-based hacking attempts.
10 pages, 11 figures, 1 table
References in corpus (17)
- Secure Quantum Key Distribution
- Hacking commercial quantum cryptography systems by tailored bright illumination
- Advances in InGaAs/InP single-photon detector systems for quantum communication
- Long term performance of the SwissQuantum quantum key distribution network in a field environment
- Field and long-term demonstration of a wide area quantum key distribution network
- Gigahertz decoy quantum key distribution with 1 Mbit/s secure key rate
- High speed single photon detection in the near-infrared
- An avalanche-photodiode-based photon-number-resolving detector
- A High Speed, Post-Processing Free, Quantum Random Number Generator
- Quantum Eavesdropping without Interception: An Attack Exploiting the Dead Time of Single Photon Detectors
- Continuous operation of high bit rate quantum key distribution
- Avoiding the Detector Blinding Attack on Quantum Cryptography
- GHz-gated InGaAs/InP single-photon detector with detection efficiency exceeding 55% at 1550 nm
- Field test of the wavelength-saving quantum key distribution network
- Passive faraday mirror attack in practical two-way quantum key distribution system
- Reply to "Avoiding the Detector Blinding Attack on Quantum Cryptography"
- Random Variation of Detector Efficiency: A Countermeasure against Detector Blinding Attacks for Quantum Key Distribution