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Quantum Cryptography Security Quantum Foundations

Prospects for device-independent quantum key distribution

arXiv

Authors: Ernest Y. -Z. Tan

Year

2021

Paper ID

41365

Status

Preprint

Abstract Read

~2 min

Abstract Words

103

Citations

N/A

Abstract

Device-independent quantum key distribution (DIQKD) aims to achieve secure key distribution with only minimal assumptions, by basing its security on the violation of Bell inequalities. While this offers strong security guarantees, it comes at the cost of being challenging to implement experimentally. In this thesis, we present security proofs for several techniques that help to improve the keyrates and noise tolerance of DIQKD, such as noisy preprocessing, random key measurements, and advantage distillation. We also show finite-size security proofs for some protocols based on combining several of these techniques. These results and proof techniques should be useful for further development of DIQKD protocols.

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This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
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Device-independent quantum key distribution (DIQKD) aims to achieve secure key distribution with only minimal assumptions, by basing its security on the violation of Bell...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2111.11769 [2] arXiv https://arxiv.org/abs/2111.11769 [3] Publisher https://arxiv.org/abs/2111.11769

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