Coin Flipping of Any Constant Bias Implies One-Way Functions

Itay Berman, Iftach Haitner, Aris Tentes
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引用次数: 2

Abstract

We show that the existence of a coin-flipping protocol safe against any nontrivial constant bias (e.g., .499) implies the existence of one-way functions. This improves upon a result of Haitner and Omri (FOCS’11), who proved this implication for protocols with bias √ 2−1/2 − o(1) ≈ .207. Unlike the result of Haitner and Omri, our result also holds for weak coin-flipping protocols.
任意常数偏置的抛硬币隐含单向函数
我们证明了对任何非平凡常数偏差(例如,.499)安全的抛硬币协议的存在意味着单向函数的存在。这改进了Haitner和Omri (FOCS ' 11)的结果,他们证明了偏差为√2−1/2−o(1)≈.207的协议的这一意义。与Haitner和Omri的结果不同,我们的结果也适用于弱抛硬币协议。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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