Ghanbari Adivi, F., Mehrnia, M. (2016). Audio Signal Encryption Based on Permutation Relations and Residue Number System. Journal of Advances in Computer Research, 7(3), 67-76.
Fereshteh Ghanbari Adivi; Mohammad Mehrnia. "Audio Signal Encryption Based on Permutation Relations and Residue Number System". Journal of Advances in Computer Research, 7, 3, 2016, 67-76.
Ghanbari Adivi, F., Mehrnia, M. (2016). 'Audio Signal Encryption Based on Permutation Relations and Residue Number System', Journal of Advances in Computer Research, 7(3), pp. 67-76.
Ghanbari Adivi, F., Mehrnia, M. Audio Signal Encryption Based on Permutation Relations and Residue Number System. Journal of Advances in Computer Research, 2016; 7(3): 67-76.
Audio Signal Encryption Based on Permutation Relations and Residue Number System
M.Sc. Computer Systems Architecture, Dezfoul Branch, Islamic Azad University, Dezfoul, Iran
Abstract
This paper presents a new audio encryption algorithm based on permutation and residue number system. In the current approach, signal samples are combined with residue number system through permutation; therefore, a specific noise is generated. Then, the audio signal is combined with the noise, generated by the algorithm, to produce a silence signal. For this purpose, the algorithm uses a predefined permutation format and a modular set in the form of {2n-1, 2n, 2n+1} to encrypt the main signal. Consequently, the proposed algorithm converts the input signal into a silence signal and increases its security. The signal-to-noise ratio (SNR) was used to evaluate the algorithm. The results indicated very low values of SNR pertaining to audio signals in the proposed method.
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