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arxiv: quant-ph/0512258 · v2 · submitted 2005-12-30 · 🪐 quant-ph

Security of Quantum Key Distribution

classification 🪐 quant-ph
keywords quantumdistributionsecurityapplicationappliesarbitraryfinettifinite
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We propose various new techniques in quantum information theory, including a de Finetti style representation theorem for finite symmetric quantum states. As an application, we give a proof for the security of quantum key distribution which applies to arbitrary protocols.

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