Determination of the Parameters for a Lorenz System and Application to Break the Security of Two-channel Chaotic Cryptosystems

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PLA37234.pdf
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2008
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Orue, Amalia Beatriz
Fernandez, Veronica
Alvarez, Gonzalo
Pastor, Gerardo
Romera, Miguel
Montoya, Fausto
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Physics Letters A. 2008, 372(34), pp. 5588-5592. Available under: doi: 10.1016/j.physleta.2008.06.066
Zusammenfassung

This Letter describes how to determine the parameter of the chaotic Lorenz system used in a two-channel cryptosystem. First the geometrical properties of the Lorenz system are used to reduce the parameter search space. Second the parameters are exactly determined - directly from the ciphertext - through the minimization of the average jamming noise power created by the encryption process.

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Fachgebiet (DDC)
530 Physik
Schlagwörter
Secure communication, Cryptanalysis, Synchronization, Lorenz chaotic system
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ISO 690ORUE, Amalia Beatriz, Veronica FERNANDEZ, Gonzalo ALVAREZ, Gerardo PASTOR, Miguel ROMERA, Shujun LI, Fausto MONTOYA, 2008. Determination of the Parameters for a Lorenz System and Application to Break the Security of Two-channel Chaotic Cryptosystems. In: Physics Letters A. 2008, 372(34), pp. 5588-5592. Available under: doi: 10.1016/j.physleta.2008.06.066
BibTex
@article{Orue2008Deter-9459,
  year={2008},
  doi={10.1016/j.physleta.2008.06.066},
  title={Determination of the Parameters for a Lorenz System and Application to Break the Security of Two-channel Chaotic Cryptosystems},
  number={34},
  volume={372},
  journal={Physics Letters A},
  pages={5588--5592},
  author={Orue, Amalia Beatriz and Fernandez, Veronica and Alvarez, Gonzalo and Pastor, Gerardo and Romera, Miguel and Li, Shujun and Montoya, Fausto}
}
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