Fast construction of binary ring FCSRs for hardware stream ciphers

被引:1
|
作者
Lin, Zhiqiang [1 ,2 ]
Pei, Dingyi [1 ,2 ]
Lin, Dongdai [3 ]
Zhang, Xiaolei [1 ,2 ]
机构
[1] Guangzhou Univ, Coll Math & Informat Sci, Guangzhou 510006, Guangdong, Peoples R China
[2] Guangzhou Univ, Key Lab Math & Interdisciplinary Sci, Guangdong Higher Educ Inst, Guangzhou 510006, Guangdong, Peoples R China
[3] Chinese Acad Sci, Inst Informat Engn, State Key Lab Informat Secur, Beijing 100093, Peoples R China
关键词
Stream cipher; l-Sequences; 2-Adic ring; FCSRs; Transition matrix; FEEDBACK;
D O I
10.1007/s10623-017-0370-4
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Stream ciphers based on linear feedback shift registers have been subject to algebraic attacks. To avoid these kinds of attacks, feedback with carry shift registers (FCSRs) have been proposed as an alternative. They are suitable for hardware implementations. FCSRs have been implemented using ring representation, in order to circumvent some weaknesses in the traditional representations. In this paper, we explore the simplest case of FCSRs, called binary FCSRs, which are common in applications. We give a fast algorithm to construct binary ring FCSRs for hardware stream ciphers.
引用
收藏
页码:939 / 953
页数:15
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