An Audio Encryption Scheme Based on Empirical Mode Decomposition and 2D Cosine Logistic Map

IF 1.3 4区工程技术 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS

IEEE Latin America Transactions Pub Date : 2024-03-14 DOI:10.1109/TLA.2024.10472959

Alenrex Maity;Bibhas Chandra Dhara

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引用次数: 0

Abstract

In this work, we have proposed an audio encryption method. The proposed method is audio signal sensitive as the hash value of the given signal is computed using SHA3-512, which returns a significantly large key of size 512-bit. This key is used to set the different parameters. This work suggests a 2D Cosine Logistic Map (2DCLM) by fusing the Cosine map with the Logistic map. The proposed 2DCLM functions well under chaos. The given audio signal is scrambled with the help of the hash value. The scrambled signal is decomposed by Empirical Mode Decomposition (EMD); before using the EMD the signal is segmented into a 2D signal to reduce the time complexity of the EMD method. The residuals given by EMD and the stream generated by 2DCLM are XOR-ed to encrypt the signal. Finally, the 2D encrypted signal is transformed into a 1D encrypted audio signal. The efficacy of the present method is evaluated with the help of different audio streams. The findings of the simulation and comparison indicate that the suggested technique may deliver effective encryption results while thwarting cryptographic assaults.

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基于经验模式分解和二维余弦对数图的音频加密方案

在这项工作中，我们提出了一种音频加密方法。所提出的方法对音频信号非常敏感，因为给定信号的哈希值是用 SHA3-512 计算出来的，而 SHA3-512 会返回一个很大的 512 位密钥。该密钥用于设置不同的参数。这项工作通过融合余弦图和逻辑图，提出了一种 2D 余弦逻辑图（2DCLM）。所提出的 2DCLM 在混沌条件下运行良好。在哈希值的帮助下，给定的音频信号被加扰。在使用 EMD 之前，先将信号分割成二维信号，以降低 EMD 方法的时间复杂度。EMD 给出的残差和 2DCLM 生成的数据流通过 XOR 对信号进行加密。最后，将二维加密信号转换为一维加密音频信号。在不同音频流的帮助下，对本方法的功效进行了评估。模拟和比较结果表明，所建议的技术可以提供有效的加密结果，同时挫败密码攻击。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Latin America Transactions COMPUTER SCIENCE, INFORMATION SYSTEMS-ENGINEERING, ELECTRICAL & ELECTRONIC

CiteScore

3.50

自引率

7.70%

发文量

192

审稿时长

3-8 weeks

期刊介绍： IEEE Latin America Transactions (IEEE LATAM) is an interdisciplinary journal focused on the dissemination of original and quality research papers / review articles in Spanish and Portuguese of emerging topics in three main areas: Computing, Electric Energy and Electronics. Some of the sub-areas of the journal are, but not limited to: Automatic control, communications, instrumentation, artificial intelligence, power and industrial electronics, fault diagnosis and detection, transportation electrification, internet of things, electrical machines, circuits and systems, biomedicine and biomedical / haptic applications, secure communications, robotics, sensors and actuators, computer networks, smart grids, among others.