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arxiv: quant-ph/0302196 · v1 · submitted 2003-02-27 · 🪐 quant-ph

A Modified Wigner's Inequality for Secure Quantum Key Distribution

classification 🪐 quant-ph
keywords distributioninequalitymodifiedquantum-keywignerdiscussekertguarantees
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In this report we discuss the insecurity with present implementations of the Ekert protocol for quantum-key distribution based on the Wigner Inequality. We propose a modified version of this inequality which guarantees safe quantum-key distribution.

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