通信学报 ›› 2018, Vol. 39 ›› Issue (4): 84-90.doi: 10.11959/j.issn.1000-436x.2018060

• 学术论文 • 上一篇    下一篇

M序列反馈函数多项式表示的快速构造方法

关杰,周琮伟()   

  1. 解放军信息工程大学三院,河南 郑州 450001
  • 修回日期:2018-02-27 出版日期:2018-04-01 发布日期:2018-04-29
  • 作者简介:关杰(1974-),女,河南郑州人,博士,解放军信息工程大学教授、博士生导师,主要研究方向为序列密码。|周琮伟(1994-),男,四川眉山人,解放军信息工程大学硕士生,主要研究方向为序列密码。
  • 基金资助:
    国家自然科学基金资助项目(61572516);国家自然科学基金资助项目(61272041);国家自然科学基金资助项目(61272488)

Method of fast construction of M-sequence feedback functions with polynomial representation

Jie GUAN,Congwei ZHOU()   

  1. Department of Three,PLA Information Engineering University,Zhengzhou 450001,China
  • Revised:2018-02-27 Online:2018-04-01 Published:2018-04-29
  • Supported by:
    The National Natural Science Foundation of China(61572516);The National Natural Science Foundation of China(61272041);The National Natural Science Foundation of China(61272488)

摘要:

M序列反馈函数的构造一直是序列密码理论的研究热点。基于由m序列构造M序列反馈函数的结构特性,结合函数变换和函数派生的方式得到一类M序列反馈函数的快速构造方法,并给出了该类M序列反馈函数的多项式表示、计数以及重量性质。

关键词: M序列反馈函数, 多项式表示, 函数变换, 函数派生

Abstract:

The construction of M-sequence feedback functions has always been a hotspot in the theory of stream cipher.Based on the structural properties of the M-sequence feedback function constructed by the m-sequence,the method of fast construction of a class M-sequence feedback functions was proposed by combining the function transformation and function derivative.Meanwhile,polynomial representation,amount and weight property of the class M-sequence feedback functions were considered.

Key words: M-sequence feedback function, polynomial representation, function transformation, function derivative

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