Analysis and Design of Nonlinear Combining Functions in Stream Ciphers

张木想; 肖国镇

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Analysis and Design of Nonlinear Combining Functions in Stream Ciphers

更新时间：2025-12-08

- Analysis and Design of Nonlinear Combining Functions in Stream Ciphers
- Acta Electronica Sinica Issue 1, (1996)
- 作者机构：
  
  西安电子科技大学信息保密研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN918.1
- Published：1996
- 稿件说明：
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[1]张木想,肖国镇.流密码中非线性组合函数的分析与设计[J].电子学报,1996(01):48-52.

张木想, 肖国镇. Analysis and Design of Nonlinear Combining Functions in Stream Ciphers[J]. Acta Electronica Sinica, 1996, (1).
[1]张木想,肖国镇.流密码中非线性组合函数的分析与设计[J].电子学报,1996(01):48-52. DOI：

张木想, 肖国镇. Analysis and Design of Nonlinear Combining Functions in Stream Ciphers[J]. Acta Electronica Sinica, 1996, (1). DOI：

摘要

从互信息的观点出发，本文研究了非线性组合函数与其部分变量的组合之间的相关性，探讨了这种相关性对流密码安全性的影响。利用Ｗａｌｓｈ变换，分析了Ｂｅｎｔ函数与其部分变量之间的相关性，给出了一类与Ｂｅｎｔ函数有相同渐近谱特性的布尔函数的结构。

Abstract

From the viewpoint of mutual information

correlations between a nonlinear combining function and combinations of part of its variables ae studied

and the effect of such correlations on the security of stream ciphers is investigated.Using Walsh transform

correlations between a Bent function and part of its variables are analysed

and a class of Boolean functions is introduced which hold the same asymptotic spectrum properties as Bent functions.

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