Research Focus
(可调)分组密码结构分析:可证明安全及通用攻击

此方向研究(可调)分组密码的理论,不考虑(可调)分组密码的S盒、密钥编排等算法细节,而只考虑其结构,从而将其转化为抽象的数学模型,并依据不同的安全性定义,研究这些模型的攻击与安全性证明。这些研究有时可以揭示出人意料的性质。例如:

  1. Feistel密码的相关密钥安全性:https://ieeexplore.ieee.org/document/8663351

  2. Indifferentiability:https://eprint.iacr.org/2014/786https://eprint.iacr.org/2016/894

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