dorsal/arxiv
View SchemaSecurity bounds in Quantum Cryptography using d-level systems
| Authors | Antonio Acin, Nicolas Gisin, Valerio Scarani |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0303009 |
| URL | https://arxiv.org/abs/quant-ph/0303009 |
| Journal | Quant. Inf. Comp. Vol.3 No. 6, 563 (2003) |
Abstract
We analyze the security of quantum cryptography schemes for $d$-level systems using 2 or $d+1$ maximally conjugated bases, under individual eavesdropping attacks based on cloning machines and measurement after the basis reconciliation. We consider classical advantage distillation protocols, that allow to extract a key even in situations where the mutual information between the honest parties is smaller than the eavesdropper's information. In this scenario, advantage distillation protocols are shown to be as powerful as quantum distillation: key distillation is possible using classical techniques if and only if the corresponding state in the entanglement based protocol is distillable.
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"abstract": "We analyze the security of quantum cryptography schemes for $d$-level systems\nusing 2 or $d+1$ maximally conjugated bases, under individual eavesdropping\nattacks based on cloning machines and measurement after the basis\nreconciliation. We consider classical advantage distillation protocols, that\nallow to extract a key even in situations where the mutual information between\nthe honest parties is smaller than the eavesdropper\u0027s information. In this\nscenario, advantage distillation protocols are shown to be as powerful as\nquantum distillation: key distillation is possible using classical techniques\nif and only if the corresponding state in the entanglement based protocol is\ndistillable.",
"arxiv_id": "quant-ph/0303009",
"authors": [
"Antonio Acin",
"Nicolas Gisin",
"Valerio Scarani"
],
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"quant-ph"
],
"journal_ref": "Quant. Inf. Comp. Vol.3 No. 6, 563 (2003)",
"title": "Security bounds in Quantum Cryptography using d-level systems",
"url": "https://arxiv.org/abs/quant-ph/0303009"
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