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改进的求和生成器的密码分析

  • 马卫局 ,
  • 冯登国 ,
  • 巫治平
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  • 1. 信息安全国家重点实验室(中国科学院研究生院), 北京 100049;
    2. 中国科学院软件研究所, 北京 100080

收稿日期: 2004-07-09

  修回日期: 2004-09-20

  网络出版日期: 2005-07-15

基金资助

国家攀登计划 973项目 (G1999035802);国家自然科学基金项目 (60273027);国家杰出青年科学基金项目 (60025205)资助

Cryptanlysis of the Improved Summation Generator

  • MA Wei-Ju ,
  • FENG Deng-Guo ,
  • WU Zhi-Ping
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  • 1. State Key Laboratory of Information Security, Graduate School of Chinese Academy of Sciences, Beijing 100049, China;
    2. Institute of Software, Chinese Academy of Sciences, Beijing 100080, China

Received date: 2004-07-09

  Revised date: 2004-09-20

  Online published: 2005-07-15

摘要

利用分别征服攻击、Chepyzhov提出的快速相关攻击以及代数攻击等3种算法对改进的求和生成器进行了密码分析,并分别给出了攻击算法的计算复杂度和所需要的密钥流的长度

本文引用格式

马卫局 , 冯登国 , 巫治平 . 改进的求和生成器的密码分析[J]. 中国科学院大学学报, 2005 , 22(4) : 494 -498 . DOI: 10.7523/j.issn.2095-6134.2005.4.015

Abstract

In this paper, the divide and conquer attack, Chepyzhov' s fast correlation attack and Algebraic attack are applied on the improved summation generator.The compute complexity of the attacks and the corresponding length of the keystream needed are also given.

参考文献

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