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Breaking a quantum key distribution system through a timing side channel

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arxiv 0704.3297 v2 pith:IJEHG7YN submitted 2007-04-25 quant-ph

classification quant-ph
keywords quantumdistributionimplementationstimingaccessbreakingchannelcommunicating
verification ladder T0 review T1 audit T2 compute T3 formal

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The security of quantum key distribution relies on the validity of quantum mechanics as a description of nature and on the non-existence of leaky degrees of freedom in the practical implementations. We experimentally demonstrate how, in some implementations, timing information revealed during public discussion between the communicating parties can be used by an eavesdropper to undetectably access a significant portion of the ``secret'' key.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The Quantum Internet (Technical Version)

    quant-ph 2025-01 unverdicted novelty 4.0 of 10

    The paper presents a broad vision of a future global quantum internet, with original conceptual proposals like QTCP and quantum sneakernet, while explicitly acknowledging that much of its content is review.

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