Design the hyperchaotic cryptosystems via the Gerschgorin theorem

Shuh Chuan Tsay, Chuan-Kuei Huang, Chien Tang Chiang

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this paper, we propose a new method to design a feedback controller for synchronizing the hyperchaotic circuits. The main idea of the method is to design a controller by applying a suitable Lyapunov function and Gerschgorin theorem. Therefore, the feedback controller can guarantee that the signal by chaotic masking from the transmitter can be recovered at the receiver. A scheme of the hyperchaotic communication systems is proposed, where the transmitter and receiver are constituted of the coupled Chua's chaotic circuits in this paper. On the other hand, to enhance the degree of security in chaotic communication systems, the techniques of cipher are also considered in this paper. Therefore, the cryptosystems can be obtained by using the encrypter, and decrypter as the chaotic transmitter-receiver pairs. To the purpose of the synchronization, the concepts of identical and generalized synchronizations are used to achieve the aim that the plaintext signals from the encrypter can be retrieved at the decrypter. Finally, the simulation results are given to demonstrate the performance of the proposed cryptosystems.

Original languageEnglish
Pages (from-to)935-948
Number of pages14
JournalChaos, Solitons and Fractals
Volume19
Issue number4
DOIs
Publication statusPublished - 2004 Mar 1

Fingerprint

Cryptosystem
Transmitter
controllers
Receiver
theorems
Controller
transmitters
Communication Systems
telecommunication
synchronism
receivers
Theorem
Chaotic Circuit
Generalized Synchronization
Liapunov functions
Hyperchaotic System
Chua's Circuit
Masking
transmitter receivers
masking

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematics(all)
  • Physics and Astronomy(all)
  • Applied Mathematics

Cite this

Tsay, Shuh Chuan ; Huang, Chuan-Kuei ; Chiang, Chien Tang. / Design the hyperchaotic cryptosystems via the Gerschgorin theorem. In: Chaos, Solitons and Fractals. 2004 ; Vol. 19, No. 4. pp. 935-948.
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Design the hyperchaotic cryptosystems via the Gerschgorin theorem. / Tsay, Shuh Chuan; Huang, Chuan-Kuei; Chiang, Chien Tang.

In: Chaos, Solitons and Fractals, Vol. 19, No. 4, 01.03.2004, p. 935-948.

Research output: Contribution to journalArticle

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