Bit-Mapped Gating

Bit-mapped gating is a countermeasure in QKD systems that randomizes detection mappings to prevent detector-control attacks.


Literature

[Lydersen2011d] L. Lydersen, V. Makarov, and J. Skaar. "Secure gated detection scheme for quantum cryptography" In: Phys. Rev. A 83, 032306. (2011) 10.1103/PhysRevA. 83.032306.

QID: CM-0039
Tier: T0
Type: Quantum
Tactic: Harden
Created: 2024-04-05
Updated: 2024-05-10

Technique → Countermeasures

List of techniques where this countermeasure can be applied.

Items: 5
Description Technique

Employment of bit-mapped gating.

Detector Control by Exploiting Superlinearity

Employment of bit-mapped gating.

Blinding Attack on Self-Differencing APDs

Employ the bit-mapped gating.

Detector Efficiency Mismatch Attack

Employment of bit-mapped gating.

Blinding Attack Using Dead Time

Employment of bit-mapped gating.

Detector Control via After-Gate Pulses Attack