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A novel method in audio message encryption based on a mixture of chaos function

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Abstract

Rapid growth of digital data and their security concerns increases the significance of enhancing advanced encryption techniques. Encryption is the backbone of secure communication in networks and the physical process of scrambling and permuting data in order to make them impossible to understand for unauthorized users. This paper proposes a novel audio signal encryption method, based on a mixture of three chaos functions. Due to the reversibility of the chaos functions, the decryption process is the inverse of the encryption process. This method was applied to audio signals with various sizes and the encoded messages were compared to the original ones. Simulation results and theoretical analyses show that the proposed approach offers a significant gain in terms of robustness and computational complexity.

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Authors and Affiliations

  1. Department of Computer Engineering and Information Technology, Urmia University of Technology, Urmia, Iran

    Ardalan Ghasemzadeh & Elham Esmaeili

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  1. Ardalan Ghasemzadeh
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  2. Elham Esmaeili
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Correspondence to Ardalan Ghasemzadeh or Elham Esmaeili.

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Ghasemzadeh, A., Esmaeili, E. A novel method in audio message encryption based on a mixture of chaos function. Int J Speech Technol 20, 829–837 (2017). https://doi.org/10.1007/s10772-017-9452-y

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  • DOI: https://doi.org/10.1007/s10772-017-9452-y

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