Abstract
Image encryption schemes are important to ensure the security during transmission or storage. In this paper, chaos based image encryption scheme based on enhanced logistic map is proposed. The first stage consists of row and column rotation and XORing with first chaotic key. In the diffusion process, the pixel values are altered sequentially so that the changes made to a particular pixel depends on the accumulated effect of all the previous pixels. The operations include nonlinear diffusion using the second chaotic key and alternative zig-zag diffusion of adjacent pixels and XORing with the third chaotic key. The number of rounds in the steps are controlled by combination of pseudo random sequence and original image. The security and performance of the proposed image encryption technique have been analysed using statistical analysis, key space analysis, differential analysis and entropy analysis. The scheme possesses good performance in encryption speed and is suitable for real-time image encryption and transmission.
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Sam, I.S., Devaraj, P., Bhuvaneswaran, R.S. (2011). Chaos Based Image Encryption Scheme Based on Enhanced Logistic Map. In: Natarajan, R., Ojo, A. (eds) Distributed Computing and Internet Technology. ICDCIT 2011. Lecture Notes in Computer Science, vol 6536. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-19056-8_22
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DOI: https://doi.org/10.1007/978-3-642-19056-8_22
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