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An audio encryption based on synchronization of robust BAM FCNNs with time delays

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Abstract

In this work, authors’ proposed an audio encryption based on synchronization of hybrid bidirectional associative memory (BAM) and fuzzy cellular neural networks (FCNNs) with time delays. Here, the significant effort is to find the values of the parameters \(A,\ B,\ D,\ \alpha ,\ \beta ,\ \tilde {A},\ \tilde {B},\ \tilde {D},\ \tilde {\alpha },\ \tilde {\beta },\ L,\ \tilde {L},\) \(O_{d}, \ \tilde {O}_{d},\ O_{a}, \ \tilde {O}_{a},\ O_{b}, \ \tilde {O}_{b},\) of the given robust BAM FCNNs system to obtain the dynamical signal (chaotic) which are used to encrypt an audio file and satisfy the condition of Linear matrix inequality (LMI) by choosing suitable Lyapunov-Krasovskii functional (LKF). Further, the key sensitivity of order \(10^{-10}\) of this proposed method have massive key space to make brute-force attack infeasible. Numerical simulations, results and discussions along with comparison are provided to illustrate the effectiveness and merits of the proposed scheme.

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Acknowledgments

This work was supported by the Fundamental Research Grant Scheme (FRGS) MoHE Grant No. FP051-2016. Dr. M. Kalpana is working as a Post-Doctoral Research Fellow at the University of Malaya.

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Authors and Affiliations

  1. Institute of Mathematical Sciences, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia

    M. Kalpana & K. Ratnavelu

  2. Department of Mathematics, Gandhigram Rural Institute, Deemed University, Gandhigram, 624 302, Tamilnadu, India

    P. Balasubramaniam

Authors
  1. M. Kalpana
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  2. K. Ratnavelu
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  3. P. Balasubramaniam
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Correspondence to K. Ratnavelu.

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Kalpana, M., Ratnavelu, K. & Balasubramaniam, P. An audio encryption based on synchronization of robust BAM FCNNs with time delays. Multimed Tools Appl 78, 5969–5988 (2019). https://doi.org/10.1007/s11042-018-6373-y

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  • DOI: https://doi.org/10.1007/s11042-018-6373-y

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