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本文讨论了线性密钥流的一类话密体制的求解。根据△M无话段的编码特点,着重介绍了线性反馈移位寄存器序列模二加△M无话编码的排列统计特性。提出了一种在一定条件下适用的线性密钥流的排列统计求解方法。并从理论上对本原多项式、不可约多项式产生的线性序列模二加△M无话编码的实验结果进行了较详细的分析。
This paper discusses the solution of a class of key systems for linear keystreams. According to the character of △ M without segments, this paper focuses on the permutation statistics of linear feedback shift register sequence modulo plus △ M non-coding. A method to solve the permutation of linear keystreams under certain conditions is proposed. In addition, the experimental results of the linear sequence modulo-2 plus △ M non-coding coding by the primitive polynomials and irreducible polynomials are theoretically analyzed in detail.