Journal
IEEE PHOTONICS JOURNAL
Volume 10, Issue 2, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOT.2018.2817550
Keywords
5-D hyperchaotic system; bit-level scrambling; DNA encoding; decomposition operation
Funding
- National Natural Science Foundation of China [61272469]
- Natural Science Foundation of Fujian Province of China [2016J05153]
- Outstanding Youth Scientific Research Training Program of Fujian Province of China
- Fuqing Branch of Fujian Normal University of China [KY2017NS07]
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In this paper, a novel image encryption scheme has been proposed using pixel-level scrambling, bit-level scrambling, and DNA encoding. First, initial conditions of five-dimensional hyperchaotic system are computed and chaotic sequences are generated. Then, pixel-level scrambling and bit-level scrambling are implemented to permute the plain image. Permuted image and generated pseudorandom sequence are executed decomposition operations in order to enhance security. DNA encoding, DNA XOR operation, and DNA complementary rules are also adopted to improve the security of the cryptosystem. Experiments results and theoretical analysis show that the proposed scheme is secure enough and can resist known plain text attack, statistical attacks, and differential attacks. It is suitable for practical application.
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