DagSemProc.06111.21.pdf
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Using Quantum Oblivious Transfer to Cheat Sensitive Quantum Bit Commitment
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Dagstuhl Seminar Proceedings, Volume 6111
Series: Dagstuhl Seminar Proceedings (DagSemProc) - License:
Creative Commons Attribution 4.0 International license
- Publication Date: 2006-11-30
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Andreas Jakoby, Maciej Liskiewicz, and Aleksander Madry. Using Quantum Oblivious Transfer to Cheat Sensitive Quantum Bit Commitment. In Complexity of Boolean Functions. Dagstuhl Seminar Proceedings, Volume 6111, pp. 1-12, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)
https://doi.org/10.4230/DagSemProc.06111.21
Abstract
We define $(varepsilon,delta)$-secure quantum computations
between two parties that can play dishonestly to maximise
advantage $delta$, however keeping small the probability
$varepsilon$ that the computation fails in evaluating correct value.
We present a simple quantum protocol for computing
one-out-of-two oblivious transfer that is
$(O(sqrt{varepsilon}),varepsilon)$-secure.
Using the protocol as a black box we construct a scheme for
cheat sensitive quantum bit commitment which guarantee that
a mistrustful party has a nonzero probability of detecting a
cheating.
Subject Classification
Keywords
- Two-Party Computations
- Quantum Protocols
- Bit Commitment
- Oblivious Transfer.
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