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Quantum Cryptography Security

Measurement-device-independent quantum cryptography

arXiv
Authors: Feihu Xu, Marcos Curty, Bing Qi, Hoi-Kwong Lo

Year

2014

Paper ID

47461

Status

Preprint

Abstract Read

~2 min

Abstract Words

103

Citations

N/A

Abstract

In theory, quantum key distribution (QKD) provides information-theoretic security based on the laws of physics. Owing to the imperfections of real-life implementations, however, there is a big gap between the theory and practice of QKD, which has been recently exploited by several quantum hacking activities. To fill this gap, a novel approach, called measurement-device-independent QKD (mdiQKD), has been proposed. It can remove all side-channels from the measurement unit, arguably the most vulnerable part in QKD systems, thus offering a clear avenue towards secure QKD realisations. Here, we review the latest developments in the framework of mdiQKD, together with its assumptions, strengths and weaknesses.

Why This Paper Matters

  • This paper contributes to the Quantum Cryptography & Security research area in the Quantum Articles archive.
  • It adds a 2014 reference point for readers tracking recent quantum research.
  • In theory, quantum key distribution (QKD) provides information-theoretic security based on the laws of physics.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1409.5157 [2] arXiv https://arxiv.org/abs/1409.5157 [3] Publisher https://arxiv.org/abs/1409.5157

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