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Signatures From Pseudorandom States via $\bot$-PRFs
Feb. 15, 2024, 5:10 a.m. | Mohammed Barhoush, Amit Behera, Lior Ozer, Louis Salvail, Or Sattath
cs.CR updates on arXiv.org arxiv.org
Abstract: Different flavors of quantum pseudorandomness have proven useful for various cryptographic applications, with the compelling feature that these primitives are potentially weaker than post-quantum one-way functions. Ananth, Lin, and Yuen (2023) have shown that logarithmic pseudorandom states can be used to construct a pseudo-deterministic PRG: informally, for a fixed seed, the output is the same with $1-1/poly$ probability.
In this work, we introduce new definitions for $\bot$-PRG and $\bot$-PRF. The correctness guarantees are that, for …
applications arxiv bot can cryptographic cs.cr feature functions post-quantum quantum signatures states
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