Eavesdropping on the BB84 Protocol using Phase-Covariant Cloning: Experimental Results

Fuente: arXiv
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Auteurs principaux: Pigott, Brian, Campolongo, Elizabeth, Routray, Hardik, Khan, Alex
Format: Preprint
Publié: 2024
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author Pigott, Brian
Campolongo, Elizabeth
Routray, Hardik
Khan, Alex
author_facet Pigott, Brian
Campolongo, Elizabeth
Routray, Hardik
Khan, Alex
contents Though the BB84 protocol has provable security over a noiseless quantum channel, the security is not proven over current noisy technology. The level of tolerable error on such systems is still unclear, as is how much information about a raw key may be obtained by an eavesdropper. We develop a reproducible test to determine the security--or lack thereof--of the protocol in practice. This enables us to obtain an experimental estimate of the information that can be obtained using asymmetric phase-covariant cloning to eavesdrop on the BB84 protocol.
format Preprint
id arxiv_https___arxiv_org_abs_2409_16284
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Eavesdropping on the BB84 Protocol using Phase-Covariant Cloning: Experimental Results
Pigott, Brian
Campolongo, Elizabeth
Routray, Hardik
Khan, Alex
Quantum Physics
Though the BB84 protocol has provable security over a noiseless quantum channel, the security is not proven over current noisy technology. The level of tolerable error on such systems is still unclear, as is how much information about a raw key may be obtained by an eavesdropper. We develop a reproducible test to determine the security--or lack thereof--of the protocol in practice. This enables us to obtain an experimental estimate of the information that can be obtained using asymmetric phase-covariant cloning to eavesdrop on the BB84 protocol.
title Eavesdropping on the BB84 Protocol using Phase-Covariant Cloning: Experimental Results
topic Quantum Physics
url https://arxiv.org/abs/2409.16284