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A Novel Image Encryption Algorithm Based on DNA Encoding and Spatiotemporal Chaos

College of Mechanical and Electrical Engineering, Northeast Forestry University, No. 26, Hexing Road, Xiangfang Dist., Harbin 150040, China
College of Information and Communication Engineering, Harbin Engineering University, No. 145, Nantong Street, Nangang Dist., Harbin 150001, China
Author to whom correspondence should be addressed.
Academic Editors: J. Tenreiro Machado and António M. Lopes
Entropy 2015, 17(10), 6954-6968;
Received: 3 September 2015 / Revised: 1 October 2015 / Accepted: 9 October 2015 / Published: 16 October 2015
(This article belongs to the Special Issue Complex and Fractional Dynamics)
PDF [2927 KB, uploaded 16 October 2015]


DNA computing based image encryption is a new, promising field. In this paper, we propose a novel image encryption scheme based on DNA encoding and spatiotemporal chaos. In particular, after the plain image is primarily diffused with the bitwise Exclusive-OR operation, the DNA mapping rule is introduced to encode the diffused image. In order to enhance the encryption, the spatiotemporal chaotic system is used to confuse the rows and columns of the DNA encoded image. The experiments demonstrate that the proposed encryption algorithm is of high key sensitivity and large key space, and it can resist brute-force attack, entropy attack, differential attack, chosen-plaintext attack, known-plaintext attack and statistical attack. View Full-Text
Keywords: chaos; DNA encoding; spatiotemporal chaos; image encryption chaos; DNA encoding; spatiotemporal chaos; image encryption

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Song, C.; Qiao, Y. A Novel Image Encryption Algorithm Based on DNA Encoding and Spatiotemporal Chaos. Entropy 2015, 17, 6954-6968.

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