Time scaling of chaotic systems: Application to secure communications

被引：19
|
作者：
Materassi, Donatello [1 ]
Basso, Michele [1 ]
机构：
[1] Univ Florence, Dipartimento Sistemi & Informat, I-50139 Florence, Italy
来源：
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS | 2008年 / 18卷 / 02期
关键词：
chaotic encryption; secure communication; chaos synchronization; time-scaling;
D O I：
10.1142/S0218127408020483
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
The paper deals with time-scaling transformations of dynamical systems. Such scaling functions operate a change of coordinates on the time axis of the system trajectories preserving its phase portrait. Exploiting this property, a chaos encryption technique to transmit a binary signal through an analog channel is proposed. The scheme is based on a suitable time-scaling function which plays the role of a private key. The encoded transmitted signal is proved to resist known decryption attacks offering a secure and reliable communication.
引用
收藏
页码：567 / 575
页数：9
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