摘要
到目前为止,还没有利用构造多个逼近方程来实现B.S.Kaliski和M.J.B.Robshaw的多重线性逼近的例子。利用Mastui构造的线性组合传递链是周期为8的线性组合传递链这个特点,选取该线性组合传递链的8个不同起点,就可由该线性组合传递链构造出8条新的线性组合传递链,再加上其对偶的线性组合传递链,共可构造出16条线性组合传递链,利用它们可实现对DES的密钥比特进行攻击。
Until now,multiple linear cryptanalysis proposed by B.S.Kaliski and M.J.B.Robshaw has not been realized by multiple linear approximation equations.The paper selects eight different start points in linear combinational pass chain which period is eight and constructed by Mastui,and constructs eight new chains,then plus its dual chains,gets totally sixteen chains.Finally,key bits of DES can be attacked by these chains.
出处
《计算机工程与应用》
CSCD
北大核心
2007年第8期118-120,125,共4页
Computer Engineering and Applications
基金
国家高技术研究发展计划(863) (the National High-Tech Research and Development Plan of China under Grant No.2002AA141030)
