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Black-Box Separations for Non-Interactive Commitments in a Quantum World
April 24, 2023, 9:18 a.m. |
IACR News www.iacr.org
ePrint Report: Black-Box Separations for Non-Interactive Commitments in a Quantum World
Kai-Min Chung, Yao-Ting Lin, Mohammad Mahmoody
Commitments are fundamental in cryptography. In the classical world, commitments are equivalent to the existence of one-way functions. It is also known that the most desired form of commitments in terms of their round complexity, i.e., non-interactive commitments, cannot be built from one-way functions in a black-box way [Mahmoody-Pass, Crypto'12]. However, if one allows the parties to use quantum computation and communication, it …
bits box communication complexity computation crypto cryptography eprint report fact functions non quantum report terms world
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