Technology of Information Security
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App. Res. of Comp. Printed Article
Vol. 36, 2019 No. 10
3039-3042,3053

Improved McEliece variant scheme based on parity-check codes

Li Mengdong1,2
Sun Yuqing2
Wei Yi'er2
Cheng Sipei1
1. Beijing Electronic Science & Technology Institute, Beijing 100070, China
2. School of Telecommunications Engineering, Xidian University, Xi'an 710071, China
DOI: 10.19734/j.issn.1001-3695.2018.04.0349

Abstract

McEliece public-key crypto system is a public-key cryptosystem based on coding theory. Its security can be reduced to the general linear code decoding problem and it can resist quantum attack. This paper proposed an improved Mc-Eliece variant scheme based on QC-MDPC code and QC-LDPC code. The main improvement was that it combined the parity check matrices of QC-LDPC code and QC- MDPC code as a private key, and applied the concatenated codewords generated to the McEliece variant scheme, then gave out an improved decoding algorithm. The analysis shows that under the 80 bit security parameter, it has small system key and low-implement complexity. In addition, this system can resist the recently proposed key recovery attacks on QC-MDPC and QC-LDPC respectively.

Foundation Support

北京市支持中央高校共建项目—青年英才计划项目
中央高校基本科研业务费专项资金资助项目(2017CL06)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2018.04.0349
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 10
Section: Technology of Information Security
Pages: 3039-3042,3053
Serial Number: 1001-3695(2019)10-035-3039-04

Publish History

[2019-10-05] Printed Article

Cite This Article

李梦东, 孙玉情, 韦依儿, 等. 改进的基于奇偶校验码的McEliece变型方案 [J]. 计算机应用研究, 2019, 36 (10): 3039-3042,3053. (Li Mengdong, Sun Yuqing, Wei Yi'er, et al. Improved McEliece variant scheme based on parity-check codes [J]. Application Research of Computers, 2019, 36 (10): 3039-3042,3053. )

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  • Application Research of Computers Monthly Journal
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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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