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<p>The application of chaos theory in data security offers the distinct advantage of countering threats, bolstering system resilience, and enhancing overall security. Numerous encryption methods and algorithms founded on chaos theory are now widely employed to safeguard audio data. However, these methods and algorithms are beset with considerable complexity, which complicates their deployment, or they may be lacking in the high security required for certain real-world scenarios. In this article, we propose a novel chaos-based audio encryption method that is both straightforward to implement and provides high security for audio data obtained directly from the sound sensor. The implementation process of the proposed method is meticulously detailed, notably the introduction of a novel hyperchaotic attractor based on robust adaptive control synchronization, theoretical analysis, Matlab representation, and the design of electronic circuits for encryption in Multisim. To demonstrate the efficacy of our proposal, its security is scrutinized using various statistical measures and graphical representations. The simulation and comparative results demonstrate the considerable effectiveness of the proposed cryptosystem and its robustness against various cryptographic attacks, surpassing recent and related works.</p>

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Advanced speech encryption method leveraging a hidden hyperchaotic attractor and its synchronization with robust adaptive sliding mode control

  • 期刊论文

  • 发表日期：

    2025年2月7日

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  • Ali Abou El Qassime,
  • Hasna Nhaila,
  • Lhoussain Bahatti,
  • Soumaya Zayrit

摘要

The application of chaos theory in data security offers the distinct advantage of countering threats, bolstering system resilience, and enhancing overall security. Numerous encryption methods and algorithms founded on chaos theory are now widely employed to safeguard audio data. However, these methods and algorithms are beset with considerable complexity, which complicates their deployment, or they may be lacking in the high security required for certain real-world scenarios. In this article, we propose a novel chaos-based audio encryption method that is both straightforward to implement and provides high security for audio data obtained directly from the sound sensor. The implementation process of the proposed method is meticulously detailed, notably the introduction of a novel hyperchaotic attractor based on robust adaptive control synchronization, theoretical analysis, Matlab representation, and the design of electronic circuits for encryption in Multisim. To demonstrate the efficacy of our proposal, its security is scrutinized using various statistical measures and graphical representations. The simulation and comparative results demonstrate the considerable effectiveness of the proposed cryptosystem and its robustness against various cryptographic attacks, surpassing recent and related works.