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Content available Speech signal security scheme based on multiple chaotic maps with deoxyribonucleic acid coding algorithm
Yousif Sura F., Abdulkadhim Hussein A.
International Journal of Electronics and Telecommunications
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2025
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Vol. 71, No. 1
69-78
EN
This article presents a novel speech cryptosystem by using chaotic maps and Deoxyribonucleic Acid coding. Initially, the speech signal is divided into four equal blocks. Then the speech samples in each block are submitted to confusion/diffusion via four different chaotic maps. The gained ciphered speech samples and the obtained chaotic sequence from Sine map are encoded via DNA rules. The consequent coded sequences from the previous step are merged via DNA/XNOR to get the coded DNA signal. Ultimately, the resulted signal is decoded to acquire the definitive ciphered signal. The experiments prove the efficiency and robustness of the suggested method.
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