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

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

来源:Arxiv_logoArxiv
英文摘要

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.

Hardik Routray、Alex Khan、Elizabeth Campolongo、Brian Pigott

物理学

Hardik Routray,Alex Khan,Elizabeth Campolongo,Brian Pigott.Eavesdropping on the BB84 Protocol using Phase-Covariant Cloning: Experimental Results[EB/OL].(2024-09-24)[2025-08-24].https://arxiv.org/abs/2409.16284.点此复制

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