stream states 中文意思是什麼
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At first, some basic knowledge in stream cipher and cellular automata has been introduced ; second, properties of one kind of cellular automata such as its periodicity, its topologies and the connection between its states have been deeply researched ; third, the algorithms base on cellular automata and their security have been discussed ; finally, i have implemented one simple cellular automata and one simple linear feedback shift register, and have analyzed the advantage and the disadvantage of cellular automata
文章首先介紹了序列密碼及細胞自動機的相關知識；然後對一類簡單的加法細胞自動機的周期性、拓撲結構以及各狀態之間的相互關系進行了研究；對利用細胞自動機構造序列密碼和分組密碼的方式及其安全性進行了研究；最後實現了一類簡單的ca和lfsr ，分析了細胞自動機在硬體實現上的優點。
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