通信学报 ›› 2020, Vol. 41 ›› Issue (10): 130-138.doi: 10.11959/j.issn.1000-436x.2020187

• 学术论文 • 上一篇    下一篇

适用于保密容量为负情形的基于混沌序列的polar码加密方案

张小卉1,2,张顺亮1,2,李博文1,2   

  1. 1 中国科学院信息工程研究所,北京 100093
    2 中国科学院大学网络空间安全学院,北京 100049
  • 修回日期:2020-08-12 出版日期:2020-10-25 发布日期:2020-11-05
  • 作者简介:张小卉(1990- ),女,内蒙古赤峰人,中国科学院信息工程研究所博士生、工程师,主要研究方向为通信物理层安全|张顺亮(1974- ),男,陕西西安人,博士,中国科学院信息工程研究所高级工程师,主要研究方向为移动通信网络与安全技术|李博文(1995- ),男,四川宜宾人,中国科学院信息工程研究所硕士生,主要研究方向为移动通信网络与安全技术、移动社交网络等
  • 基金资助:
    上海市科技委基金资助项目(17DZ1100702)

Chaotic sequence based polar code encrypted scheme in negative secrecy capacity case

Xiaohui ZHANG1,2,Shunliang ZHANG1,2,Bowen LI1,2   

  1. 1 Institute of Information Engineering,Chinese Academy of Sciences ,Beijing 100093,China
    2 School of Cyberspace Security,University of Chinese Academy of Sciences,Beijing 100049,China
  • Revised:2020-08-12 Online:2020-10-25 Published:2020-11-05
  • Supported by:
    Shanghai Science and Technology Commission(17DZ1100702)

摘要:

考虑保密容量为负的情形,利用混沌序列对信息序列进行加密并且对冻结比特进行填充,并结合多块polar编码结构,提出了一种具有较低复杂度和较高安全传输速率的 polar 码加密方案。从可靠性、安全性、传输效率这3个方面对所提polar码加密方案进行相应的数学证明和理论分析。结果表明,所提方案在保密容量为负的情形下,在保障可靠、安全的通信的基础上,可达到较高的安全传输速率,且具有较低的实现复杂度。

关键词: polar码, 保密容量, 混沌序列, 安全传输速率

Abstract:

A chaos based encrypted polar coding scheme,which could be applied to the negative secrecy capacity case,was proposed.Chaotic sequences were employed to encrypt the information bits and fill the frozen bits.And multi-block polar coding structure was also employed in the proposed scheme.The proposed scheme was featured as lower complexity and higher secrecy transmission rate.Corresponding mathematical analysis had been performed in terms of the error probability,security and transmission rate.The result reveals that the proposed scheme can achieve reliability,security in negative secrecy capacity case.What’s more,it has relatively low complexity and high secrecy transmission rate compared with the existing schemes.

Key words: polar code, secrecy capacity, chaotic sequence, secrecy transmission rate

中图分类号: 

No Suggested Reading articles found!