期刊
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
卷 68, 期 7, 页码 676-686出版社
ELSEVIER GMBH
DOI: 10.1016/j.aeue.2014.02.002
关键词
Chaos; Block encryption; S-box; One-to-one correspondence
资金
- National Natural Science Foundation of China [61363082]
- Minority Nationality Technology Talent Cultivation Plan of Xinjiang [201123116]
- Science and Technology Development Plan of Weifang [2012YD118, 201301119]
A chaos-based color image encryption scheme using bijection is designed. The whole image is diffused by exclusive or (XOR) operation for random rounds, each color component is separated into blocks with the same size. A bijective function f: B -> S between block set B and S-box set S, is built. The corresponding 8 x 8 S-box is dynamically generated by the Chen system with variable conditions. The ciphered image can be obtained after substituting each block with the paired S-box. Numerical simulation and security analysis demonstrate that the scheme is practical in image encryption. (C) 2014 Elsevier GmbH. All rights reserved.
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