[Resource Topic] 2020/1487: One-Way Functions Imply Secure Computation in a Quantum World

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One-Way Functions Imply Secure Computation in a Quantum World

Authors: James Bartusek, Andrea Coladangelo, Dakshita Khurana, Fermi Ma


We prove that quantum-hard one-way functions imply simulation-secure quantum oblivious transfer (QOT), which is known to suffice for secure computation of arbitrary quantum functionalities. Furthermore, our construction only makes black-box use of the quantum-hard one-way function. Our primary technical contribution is a construction of extractable and equivocal quantum bit commitments based on the black-box use of quantum-hard one-way functions in the standard model. Instantiating the Crépeau-Kilian (FOCS 1988) framework with these commitments yields simulation-secure QOT.

ePrint: https://eprint.iacr.org/2020/1487

Talk: https://www.youtube.com/watch?v=-_4jTfiNG_I

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