Journal
EUROPEAN PHYSICAL JOURNAL PLUS
Volume 132, Issue 12, Pages -Publisher
SPRINGER HEIDELBERG
DOI: 10.1140/epjp/i2017-11808-x
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We propose an audio signal encryption scheme based on the chaotic Henon map. The scheme mainly comprises two phases: one is the preprocessing stage where the audio signal is transformed into data by the lifting wavelet scheme and the other in which the transformed data is encrypted by chaotic data set and hyperbolic functions. Furthermore, we use dynamic keys and consider the key space size to be large enough to resist any kind of cryptographic attacks. A statistical investigation is also made to test the security and the efficiency of the proposed scheme.
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