New Quantum Oblivious Transfer Protocol Achieves Simulation Security with One-Way Functions
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Summary
This paper presents a new simulation-secure quantum oblivious transfer (QOT) protocol built on one-way functions in the plain model. The protocol prioritizes practical implementation and surpasses prior works in efficiency, aiming for feasible experimental realization. It addresses potential experimental errors and their correction, provides analytical expressions for analyzing required quantum resources, and achieves simulation security through an equivocal and relaxed-extractable quantum bit commitment scheme. The work is published in Quantum journal (2026) by Diamanti, Grilo, Innocenzi, Lefebvre, Yacoub, and Yángüez.
Key quotes
· 4 pulledWe present a new simulation-secure quantum oblivious transfer (QOT) protocol based on one-way functions in the plain model.
With a focus on practical implementation, our protocol surpasses prior works in efficiency, promising feasible experimental realization.
We address potential experimental errors and their correction, offering analytical expressions to facilitate the analysis of the required quantum resources.
Technically, we achieve simulation security for QOT through an equivocal and relaxed-extractable quantum bit commitment.
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