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DOI:
Journal of Software:2008.19(5):1256-1264

对一种新的序列密码结构的密码分析
黄小莉,武传坤
(中国科学院 软件研究所 信息安全国家重点实验室,北京 100190; 中国科学院 研究生院,北京 100049)
Cryptanalysis of a New Stream Cipher Structure
HUANG Xiao-Li,WU Chuan-Kun
()
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Received:October 26, 2006    Revised:March 28, 2007
> 中文摘要: 对新提议的一种基于线性反馈移位寄存器、非线性反馈移位寄存器和过滤布尔函数的序列密码结构的安全性进行了研究,对这种结构给出了一种区分攻击.举例子说明了此攻击的有效性.这种新的攻击表明,此种新的序列密码结构存在潜在的安全弱点.
Abstract:This paper studies the security of a newly proposed stream cipher structure based on linear feedback shift register, nonlinear feedback shift register and filter Boolean functions. A distinguishing attack on this structure is presented. An example is illustrated to show the effectiveness of this attack. This new attack suggests that this new stream cipher structure has potential security weakness.
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基金项目:Supported by the National Natural Science Foundation of China under Grant No.60673068 (国家自然科学基金); the National Basic Research Program of China under Grant No.2004CB318004 (国家重点基础研究发展计划(973)) Supported by the National Natural Science Foundation of China under Grant No.60673068 (国家自然科学基金); the National Basic Research Program of China under Grant No.2004CB318004 (国家重点基础研究发展计划(973))
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黄小莉,武传坤.对一种新的序列密码结构的密码分析.软件学报,2008,19(5):1256-1264

HUANG Xiao-Li,WU Chuan-Kun.Cryptanalysis of a New Stream Cipher Structure.Journal of Software,2008,19(5):1256-1264