通信学报 ›› 2017, Vol. 38 ›› Issue (9): 39-45.doi: 10.11959/j.issn.1000-436x.2017181

• 学术论文 • 上一篇    下一篇

新的周期为pm的GF(h)上广义割圆序列的线性复杂度

刘龙飞1,杨凯1,杨晓元1,2   

  1. 1 武警工程大学网络与信息安全武警部队重点实验室,陕西 西安 710086
    2 西安电子科技大学计算机网络与信息安全教育部重点实验室,陕西 西安 710071
  • 修回日期:2017-04-05 出版日期:2017-09-01 发布日期:2017-10-18
  • 作者简介:刘龙飞(1990-),男,河南沈丘人,武警工程大学讲师,主要研究方向为流密码和编码。|杨凯(1983-),男,山东莱芜人,武警工程大学讲师,主要研究方向为信息安全。|杨晓元(1959-),男,湖南湘潭人,武警工程大学教授、博士生导师,主要研究方向为密码学和信息安全。
  • 基金资助:
    国家密码发展基金资助项目(MMJJ20170112);国家重点研发计划基金资助项目(2017YFB0802002);国家自然科学基金资助项目(61562077);国家自然科学基金资助项目(U1636114);国家自然科学基金资助项目(64572521);国家自然科学基金资助项目(61402530);武警工程大学基础研究基金资助项目(WJY201518)

On the linear complexity of a new generalized cyclotomic sequence with length mover GF(h)

Long-fei LIU1,Kai YANG1,Xiao-yuan YANG1,2   

  1. 1 Key Laboratory of Network &Information Security of Armed Police Force,Engineering University of Armed Police Force,Xi’an 710086,China
    2 Key Laboratory of Computer Network &Information Security of the Ministry of Education,Xidian University,Xi’an 710071,China
  • Revised:2017-04-05 Online:2017-09-01 Published:2017-10-18
  • Supported by:
    The National Cryptography Development Fund of China(MMJJ20170112);The National Key Research and Development Program of China(2017YFB0802002);The National Natural Science Foundation of China(61562077);The National Natural Science Foundation of China(U1636114);The National Natural Science Foundation of China(64572521);The National Natural Science Foundation of China(61402530);The Basic Research Foundation of Engineering College of APF(WJY201518)

摘要:

基于Ding-广义割圆序列,构造了GF(h)上一类新的周期为pm的广义割圆序列,且该序列为平衡序列。通过分析h与p的关系及多项式理论,确定了该序列的线性复杂度。结果表明,该类序列具有良好的线性复杂度性质,将它们作为密钥流序列的密码系统具有抵抗Berlekamp-Massey算法攻击的能力。

关键词: 流密码, 伪随机序列, 广义割圆类, 线性复杂度

Abstract:

Based on the Ding-generalized cyclotomy,a new class of generalized cyclotomic sequences with length pm over the finite field of power of odd prime order was constructed,and the sequence was balanced.The linear complexity of the sequences was determined using the relationship between h and p and the theory of polynomial over finite field.It is shown that the sequence has good linear complexity,and it can resist attacks from the application of the Berlekamp-Massey algorithm.

Key words: stream cipher, pseudo-random sequence, generalized cyclotomy, linear complexity

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