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Encryption in Chaotic Systems with Sinusoidal Excitations

Author

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  • G. Obregón-Pulido
  • A. Torres-González
  • R. Cárdenas-Rodríguez
  • G. Solís-Perales

Abstract

In this contribution an encryption method using a chaotic oscillator, excited by “ n ” sinusoidal signals, is presented. The chaotic oscillator is excited by a sum of “ n ” sinusoidal signals and a message. The objective is to encrypt such a message using the chaotic behavior and transmit it, and, as the chaotic system is perturbed by the sinusoidal signal, the transmission security could be increased due to the effect of such a perturbation. The procedure is based on the regulation theory and consider that the receiver knows the frequencies of the perturbing signal, with this considerations the algorithm estimates the excitation in such a way that the receiver can cancel out the perturbation and all the undesirable dynamics in order to produce only the message. In this way we consider that the security level is increased.

Suggested Citation

  • G. Obregón-Pulido & A. Torres-González & R. Cárdenas-Rodríguez & G. Solís-Perales, 2014. "Encryption in Chaotic Systems with Sinusoidal Excitations," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-7, April.
    • Handle: RePEc:hin:jnlmpe:782629
    DOI: 10.1155/2014/782629
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