In the recent decade, chaos-based imageencryption algorithms gained attention due to their pros and cons. The authors suggest one such algorithm of imageencryption for different colour space using feed forward initi...
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In the recent decade, chaos-based imageencryption algorithms gained attention due to their pros and cons. The authors suggest one such algorithm of imageencryption for different colour space using feed forward initial condition to pursue random permutation by combining 1D logistic map with a series of tent maps. The algorithm adds one more novel step to protect and encrypt binary image by concealing it within a cover grey image using bit-plane decomposition methods. Sensitivity towards initial condition is shown using block division of image by applying a stream of random initial conditions to each block for encryption along with XOR operation which leads the key space high (similar or equal to 2(484)). For better performance analysis, the proposed scheme has been tested with many colour space images including a binary image. The proposed technique is more efficient with respect to time complexity and resistance to vulnerability aspects.
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