Abstract
Encryption is one of the most important methods for providing data security mainly for an end to end protection of data transmitted across the networks. In this paper, we proposed a speech encryption algorithm based on DNA addition and chaotic maps for secure speech communication. The algorithm deals with sampled speech signal that is given as input which is divided into four segments of equal duration. During successive levels of iteration, the speech segment is permuted and substituted with different chaotic mapping techniques such as sine mapping, henon mapping, logistic mapping and tent mapping. After performing the permutation and substitution all the segments are combined and encoded as a sequence of DNA’s denoted by X. The DNA sequence X and DNA sequence Y obtained using henon mapping are summed up together using DNA addition operation. Finally, the speech encryption is obtained as the result using DNA decoding. The correlation co-efficient test, Signal to noise ratio test and Peak Signal to Noise Ratio test provides better analysis of the proposed system. The algorithm also provides a better simulation result and also helps in resisting the brute force attacks and differential attacks.
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Nagakrishnan, R., Revathi, A. (2020). A Robust Speech Encryption System Based on DNA Addition and Chaotic Maps. In: Abraham, A., Cherukuri, A.K., Melin, P., Gandhi, N. (eds) Intelligent Systems Design and Applications. ISDA 2018 2018. Advances in Intelligent Systems and Computing, vol 940. Springer, Cham. https://doi.org/10.1007/978-3-030-16657-1_100
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DOI: https://doi.org/10.1007/978-3-030-16657-1_100
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