Controlled parameter modulations in secure digital signal transmissions

Palaniyandi, P. ; Lakshmanan, M. (2007) Controlled parameter modulations in secure digital signal transmissions International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, 17 (11). pp. 4187-4194. ISSN 0218-1274

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Official URL: http://www.worldscinet.com/ijbc/17/1711/S021812740...

Related URL: http://dx.doi.org/10.1142/S021812740701972X

Abstract

We propose a simple method for secure digital signal transmission by making some modifications in the single-step parameter modulation technique propo sed earlier to overcome certain inherent deficiencies. In the modified method, the parameter modulation is effectively regulated or controlled by the chaotic signal obtained from the transmitting chaotic system so that it has the maximum security. Then, the same idea is also extended to the multistep parameter modulation technique. It is found that both the methods are secure against ciphertext (return map) and plaintex attacks. We have illustrated these methods by means of the Lorenz system.

Item Type:Article
Source:Copyright of this article belongs to World Scientific Publishing Company.
Keywords:Controlling Of Chaos; Synchronization Of Chaos; Cryptography
ID Code:85023
Deposited On:29 Feb 2012 06:55
Last Modified:29 Feb 2012 06:55

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