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Article Dans Une Revue Physical Review A : Atomic, molecular, and optical physics [1990-2015] Année : 2015

Practical Position-Based Quantum Cryptography

Résumé

We study a general family of quantum protocols for position verification and present a class of attacks based on the Clifford hierarchy. These attacks outperform current strategies based on port-based teleportation for a large class of practical protocols. We then introduce the interleaved product protocol, a scheme for position verification involving only the preparation and measurement of single qubit states for which the best available attacks have a complexity exponential in the number of classical bits transmitted.

Dates et versions

hal-01237233 , version 1 (02-12-2015)

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Kaushik Chakraborty, Anthony Leverrier. Practical Position-Based Quantum Cryptography. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2015, 92 (5), ⟨10.1103/PhysRevA.92.052304⟩. ⟨hal-01237233⟩
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