Chaotic Cipher Using the Duffing Equation

被引：0
作者：
Roda, Fernando [1 ]
Lara, Luis [2 ,3 ]
机构：
[1] Univ Nacl Rosario, CONICET FCEIA, Ind Dept, Av Pellegrini 250, RA-2000 Rosario, Argentina
[2] Univ Nacl Rosario, FCEIA, Phy Dept, Rosario, Argentina
[3] UTN, Informat Syst Dept, FRR, Rosario, Argentina
来源：
INFORMATION SECURITY JOURNAL | 2010年 / 19卷 / 06期
关键词：
chaotic system; cryptography; Duffing equation;
D O I：
10.1080/19393555.2010.514889
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We propose a plain files cipher by means of a stream cryptosystem scheme with chaotic addition and a symmetric key. The sequence of numbers used for encryption is generated by a continuous chaotic dynamical system; in particular, we choose the forced Duffing equation since this kind of systems is sensitive to the initial conditions. In a chaotic system, the answer can became periodic during the process of numeric integration. We introduce an heuristic method to break this periodicity.
引用
收藏
页码：320 / 327
页数：8
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