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复合缩短M序列能克服当需要巨大的密钥量时长周期序列与复杂的反馈函数之间的矛盾,是一种有效的序列加密法,本文对此作了讨论,并对复合缩短M序列的定义、性质及其产生方法作了简介。
Compound shortened M-sequence can overcome the contradiction between long-period sequence and complex feedback function when a large amount of key is needed, which is an effective sequence encryption method. This article discusses this and the definition of compound shortened M-sequence , Nature and method of producing it.