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Universally- composable Security of Key Distribution from Causality Constraints

Universally- composable Security of Key Distribution from Causality Constraints. Based on results by: Masanes , Renner, Christandl , Winter and Barrett. Main Idea. Main Idea. Braunstein -Caves Bell Inequality. The Protocol. Alice. Bob. The Protocol. Alice. Bob.

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Universally- composable Security of Key Distribution from Causality Constraints

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  1. Universally-composable Security of Key Distribution from Causality Constraints Based on results by: Masanes, Renner, Christandl, Winter and Barrett

  2. Main Idea

  3. Main Idea

  4. Braunstein-Caves Bell Inequality

  5. The Protocol Alice Bob

  6. The Protocol Alice Bob

  7. In terms of quantum measurements…

  8. The Protocol Alice Bob Nonlocality Estimation I J

  9. The Protocol Alice Bob Nonlocality Estimation I J Error Correction c=f(a) EC Thanks! Privacy Amplification Got it!

  10. Nonlocality Estimation

  11. Nonlocality Estimation

  12. Privacy Amplification

  13. Universally-composable Security

  14. Universally-composable Security

  15. Conclusions and Open Problems References

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