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- Title
A Colour Image Encryption Scheme Using Permutation-Substitution Based on Chaos.
- Authors
Xing-Yuan Wang; Ying-Qian Zhang; Xue-Mei Bao
- Abstract
An encryption scheme for colour images using a spatiotemporal chaotic system is proposed. Initially, we use the R, G and B components of a colour plain-image to form a matrix. Then the matrix is permutated by using zigzag path scrambling. The resultant matrix is then passed through a substitution process. Finally, the ciphered colour image is obtained from the confused matrix. Theoretical analysis and experimental results indicate that the proposed scheme is both secure and practical, which make it suitable for encrypting colour images of any size.
- Subjects
IMAGE encryption; PERMUTATIONS; SUBSTITUTION (Logic); SPATIOTEMPORAL processes; COLOR image processing
- Publication
Entropy, 2015, Vol 17, Issue 6, p3877
- ISSN
1099-4300
- Publication type
Article
- DOI
10.3390/e17063877