Multimedia Tools and Applications

, Volume 76, Issue 6, pp 8257–8283 | Cite as

Image encryption based on random projection partition and chaotic system

  • Zhenjun Tang
  • Fei Wang
  • Xianquan Zhang


Image encryption is a useful technique of multimedia security and has been widely used in content protection, image authentication, data hiding, and so on. In this paper, we investigate the use of projection partition in image encryption, and then design an efficient image encryption algorithm based on random projection partition and chaotic system. Specifically, our algorithm randomly divides the input image into overlapping blocks. For each block, our algorithm further divides it into a set of projection lines. And then, chaotic system is exploited to generate a secret data pool. Finally, data encryption is done by random projection line swapping and XOR operation between projection line and secret sequence selected from the secret data pool. Many experiments are conducted to validate efficiency of our algorithm. Comparisons are also done and the results show that our algorithm is better than some popular algorithms.


Image encryption Image content protection Projection partition Arnold transform Chaotic system Skew tent map 



The authors would like to thank the anonymous referees for their valuable comments and suggestions. This work is partially supported by the National Natural Science Foundation of China (61562007, 61300109, 61363034), the Guangxi Natural Science Foundation (2015GXNSFDA139040), Guangxi “Bagui Scholar” Teams for Innovation and Research, the Scientific and Technological Research Projects in Guangxi Higher Education Institutions (YB2014048), the Project of the Guangxi Key Lab of Multi-source Information Mining & Security (15-A-02-02, 14-A-02-02, 13-A-03-01), and Guangxi Collaborative Innovation Center of Multi-source Information Integration and Intelligent Processing.


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Guangxi Key Lab of Multi-source Information Mining & SecurityGuangxi Normal UniversityGuilinChina
  2. 2.Department of Computer ScienceGuangxi Normal UniversityGuilinPeople’s Republic of China

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