Upper Bounds on Key Rates in Device-Independent Quantum Key Distribution Based on Convex-Combination Attacks

Karol Łukanowski; Karol Łukanowski; Máté Farkas; Maria Balanzó-Juandó; Antonio Acín; Antonio Acín; Jan Kołodyński

doi:10.1364/QUANTUM.2022.QTu4C.1

Quantum 2.0 Conference and Exhibition
Technical Digest Series (Optica Publishing Group, 2022),
paper QTu4C.1
•https://doi.org/10.1364/QUANTUM.2022.QTu4C.1

Upper Bounds on Key Rates in Device-Independent Quantum Key Distribution Based on Convex-Combination Attacks

Karol Łukanowski, Máté Farkas, Maria Balanzó-Juandó, Antonio Acín, and Jan Kołodyński

Quantum 2.0 2022

Boston, MA United States
13–16 June 2022
ISBN: 978-1-957171-11-1

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Quantum Communication III (QTu4C)

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K. Łukanowski, M. Farkas, M. Balanzó-Juandó, A. Acín, and J. Kołodyński, "Upper Bounds on Key Rates in Device-Independent Quantum Key Distribution Based on Convex-Combination Attacks," in Quantum 2.0 Conference and Exhibition, Technical Digest Series (Optica Publishing Group, 2022), paper QTu4C.1.

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Abstract

We provide an efficient, generic tool for upper-bounding key rates in device-independent quantum key distribution (DIQKD) and prove that Bell nonlocality is not suf-ficient for the security of standard DIQKD protocols.

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