CASca: A CA Based Scalable Stream Cipher

被引：2

作者：

Ghosh, Shamit ^{[1
]}

Chowdhury, Dipanwita Roy ^{[1
]}

机构：

[1] Indian Inst Technol Karagpur, Dept Comp Sci & Engn, Kharagpur 721302, W Bengal, India

来源：

MATHEMATICS AND COMPUTING | 2015年 / 139卷

关键词：

Cellular automata; Stream cipher; Pseudo random sequence generator; Scalable stream cipher;

D O I：

10.1007/978-81-322-2452-5_7

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

This paper presents a scalable stream cipher based on Cellular Automata. The cipher uses linear and nonlinear cellular automata as crypto primitives. The properties of maximum length nonlinear cellular automata have been exploited to design the cipher. Rotational symmetric bent function is used in the final combiner of the cipher which is proven to be secured against certain kind of fault attacks. The scalability provides different security level for different applications. Finally the cipher is shown to be very hardware efficient.

引用

页码：95 / 105

页数：11

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