Public-Seed Pseudorandom Permutations
Public-Seed Pseudorandom Permutations
复制标题
公共种子伪随机排列
DOI：
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发表时间：
2017
期刊：
影响因子：
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通讯作者：
Stefano Tessaro
中科院分区：
文献类型：
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作者：
Pratik Soni;Stefano Tessaro
本文开始研究的标准模型假设的排列-或更准确地说，家庭的排列索引的公共种子。我们引入并研究了公共种子伪随机置换（psPRP）的概念，该概念受到Bellare，Hoang和Keelveedhi（1993年）的UCE概念的启发。它认为是一个两阶段的安全游戏，其中第一阶段的对手被称为源，并限制，以防止微不足道的攻击-安全概念，因此参数化的类允许的来源。为此，我们定义特别是不可预测的和重置安全的来源类似于类似的概念UCE。
This paper initiates the study of standard-model assumptions on permutations – or more precisely, on families of permutations indexed by a public seed. We introduce and study the notion of a public-seed pseudorandom permutation (psPRP), which is inspired by the UCE notion by Bellare, Hoang, and Keelveedhi (CRYPTO ’13). It considers a two-stage security game, where the first-stage adversary is known as the source, and is restricted to prevent trivial attacks – the security notion is consequently parameterized by the class of allowable sources. To this end, we define in particular unpredictable and reset-secure sources analogous to similar notions for UCEs.