差分密码分析和线性密码分析是分组密码分析中应用最广泛的技术。随着差分-线性密码分析的出现,一大批派生出来的密码分析方法表现出了很好的攻击效果。文中首先介绍了这两种密码分析方法的原理,然后推广到双线性密码分析。由于双线性密码分析攻击Feistel结构的密码特别有效,所以在某些场合,由差分密码分析和双线性密码分析结合成的差分-双线性密码分析具有比差分-线性密码分析更好的攻击效果。 Differential cryptanalysis and linear cryptanalysis are the most widely used techniques in packet cipher analysis. With the advent of differential-linear cryptanalysis, a large number of derived cryptanalysis methods have shown good attack effects. The paper first introduces the principle of these two kinds of password analysis methods, and then generalizes to bilinear password analysis. Because bilinear cryptanalysis attacks the Feistel structure of the password is particularly effective, so in some cases, by differential cryptanalysis and bilinear cryptanalysis into a differential - bilinear cryptanalysis better than the differential - linear cryptanalysis Attack effect.