An Image Encryption Algorithm Based on Josephus Traversing and Mixed Chaotic Map
This paper proposes a new chaotic image encryption scheme, which employs Josephus traversing and mixed chaotic map. The scheme consists of three processes: key stream generation process; three-round scrambling process; and one-round diffusion process. The proposed mathematical model is applied for t...
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| Published in | IEEE access Vol. 6; pp. 23733 - 23746 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
Piscataway
IEEE
01.01.2018
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subjects | |
| Online Access | Get full text |
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| Abstract | This paper proposes a new chaotic image encryption scheme, which employs Josephus traversing and mixed chaotic map. The scheme consists of three processes: key stream generation process; three-round scrambling process; and one-round diffusion process. The proposed mathematical model is applied for the key stream generator in the first process. The initial values and parameters are sensitive to both the secret keys in the new scheme and plain images. The second process employs the Josephus traversing in scrambling; then the rows and columns of pixels are exchanged. The third process can modify the pixel gray-level values and crack the strong correlations between adjacent pixels simultaneously. The initial conditions for chaotic systems are derived using external secret keys by applying some algebraic transformations to the key. Security analysis indicates that the new scheme is effective, which can resist common attacks. |
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| AbstractList | This paper proposes a new chaotic image encryption scheme, which employs Josephus traversing and mixed chaotic map. The scheme consists of three processes: key stream generation process; three-round scrambling process; and one-round diffusion process. The proposed mathematical model is applied for the key stream generator in the first process. The initial values and parameters are sensitive to both the secret keys in the new scheme and plain images. The second process employs the Josephus traversing in scrambling; then the rows and columns of pixels are exchanged. The third process can modify the pixel gray-level values and crack the strong correlations between adjacent pixels simultaneously. The initial conditions for chaotic systems are derived using external secret keys by applying some algebraic transformations to the key. Security analysis indicates that the new scheme is effective, which can resist common attacks. |
| Author | Wang, Xingyuan Zhu, Xiaoqiang Zhang, Yingqian |
| Author_xml | – sequence: 1 givenname: Xingyuan orcidid: 0000-0002-9724-0152 surname: Wang fullname: Wang, Xingyuan email: wangxy@dlut.edu.cn organization: School of Information Science and Technology, Dalian Maritime University, Dalian, China – sequence: 2 givenname: Xiaoqiang surname: Zhu fullname: Zhu, Xiaoqiang organization: School of Electronic and Information Engineering, Dalian University of Technology, Dalian, China – sequence: 3 givenname: Yingqian surname: Zhang fullname: Zhang, Yingqian organization: School of Information Science and Technology, Xiamen University Tan Kah Kee College, Zhangzhou, China |
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| SubjectTerms | Algorithms Chaos Chaos theory cryptography Diffusion processes Encryption Gray-scale image analysis Initial conditions Logistics Mathematical model Parameter sensitivity Pixels |
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| Title | An Image Encryption Algorithm Based on Josephus Traversing and Mixed Chaotic Map |
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