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01-Applied Mathematics & Information Sciences
An International Journal


Volumes > Volume 05 > No. 3


An Efficient Approach for DNA Fractal-based Image Encryption

PP: 445-459
Qiang Zhang, zhangq@dlu.edu.cn, Xiaopeng Wei,
Security of the image information has become more and more important. At present, researchers have paid much attention to DNA cryptography-based image encryption. In this paper, an efficient encryption approach is proposed, in which, we do not use DNA biological operation to implement image encryption, but DNA sequences are used as the secret keys. The permutation process is implemented by using Haoís fractal sequence representation and the diffusion process is used to alter the gray values. According to the simulation experiment and performance analysis, this approach is feasible and effective.

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