Journal
SIGNAL PROCESSING
Volume 142, Issue -, Pages 340-353Publisher
ELSEVIER
DOI: 10.1016/j.sigpro.2017.07.034
Keywords
Chaos; Permutation and diffusion; Self-adaptive mechanism; DNA random encoding
Categories
Funding
- Fundamental Research Funds for the Central Universities [N162410002-4]
- National Natural Science Foundation of China [61374178]
- Programs for Science and Technology Development of Liaoning Province [2014305006]
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This paper presents a solution for secure and efficient image encryption with the help of self-adaptive permutation-diffilsion and DNA random encoding. The plain image is firstly converted to DNA sequence using random encoding rules, so as to disarrange the bit distribution of the plaintext. A self-adaptive permutation-diffusion procedure is subsequently introduced for further encryption. The quantization processes of the permutation and diffusion procedures are disturbed by the intrinsic features of the plaintext, with the introduced disturbances can be automatically retrieved in the decryption end. The security of the system originates from the plaintext-related quantization of the encryption process which makes the cryptosystem secure against plaintext attack. Besides, the reusability of the random variables can dramatically promote the efficiency of the cryptosystem, which renders great potential for real-time secure image applications. (C) 2017 Elsevier B.V. All rights reserved.
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