期刊
IEEE ACCESS
卷 6, 期 -, 页码 39705-39724出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2018.2855726
关键词
Logistic-dynamic; CML; parameter space; dynamic coupling; image encryption
资金
- National Natural Science Foundation of China [61672124, 61370145, 61173183]
- Password Theory Project of the 13th Five-Year Plan National Cryptography Development Fund [MMJJ20170203]
- China Postdoctoral Science Foundation [2016M601307]
This paper proposes a new spatiotemporal chaos model, which is a logistic-dynamic coupled logistic map lattice (LDCML). Through a large number of simulation experiments and theoretical analysis, it can be proved that a chaotic region has the larger parameter space, and the system is more chaotic compared with traditional CML by the introduction of a dynamic coupled method, which is more suitable for chaotic encryption and secure communications. So, this paper presents a bit-level adaptive image encryption algorithm based on this system, and further demonstrates the good chaos of the system from the aspect of encryption performance.
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