| 缩扩生成器的构造与分析 |
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| 引用本文： | 王静,王锦玲,张步英,牛秀艳.缩扩生成器的构造与分析[J].信息安全与通信保密,2009(6):75-77. |
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| 作者姓名： | 王静 王锦玲 张步英 牛秀艳 |
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| 作者单位： | 1. 河北科技师范学院数理系,河北,秦皇岛,066004
2. 郑州大学数学系,河南,郑州,450052 |
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| 摘 要： | 论文将自扩生成器与缩减生成器组合构成了一种新型的伪随机序列生成器——缩扩生成器，它由两个三元的线性反馈移位寄存器（LFSR）构成。文中讨论了某种特殊情形下得到的缩扩序列的周期、符号分布、特征多项式等密码学性质。
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| 关 键 词： | 线性反馈移位寄存器 周期 特征多项式 |
Construction and Analysis of Shrinking-extended Generator |
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| WANG Jing,WANG Jin-ling,ZHANG Bu-ying,NIU Xiu-yan.Construction and Analysis of Shrinking-extended Generator[J].China Information Security,2009(6):75-77. |
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| Authors: | WANG Jing WANG Jin-ling ZHANG Bu-ying NIU Xiu-yan |
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| Affiliation: | WANG Jing, WANG Jin-ling, ZHANG Bu-ying, NIU Xiu-yan (1.Department of Mathematics and Physics, Hebei Normal University of Science and Technology, Qinhuangdao Hebei 066004, China; 2.Department of Mathematics Zhengzhou University, Zhengzhou Henan 450052, China) |
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| Abstract: | This paper proposes a new pseudo-random sequence generator, which is a combined model of the selfextended generator and the shrinking generator, called a SE-generator in short. It is constructed by using two ternary linear feedback shift registers（LFSR）. The period, symbol distribution and characteristic polynomial of the SE-sequence are also discussed. |
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| Keywords: | LFSR period characteristic polynomial |
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