Journal
ENTROPY
Volume 17, Issue 4, Pages 2117-2139Publisher
MDPI
DOI: 10.3390/e17042117
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Funding
- Project Building and steady development of PhD students, post-PhD and young scientists in the areas of the natural, technical and mathematical sciences [BG051PO001-3.3.06-0003]
- Operative Program Development of the human resources of the European social fund of the European Union
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We propose a novel image encryption algorithm based on two pseudorandom bit generators: Chebyshev map based and rotation equation based. The first is used for permutation, and the second one for substitution operations. Detailed security analysis has been provided on the novel image encryption algorithm using visual testing, key space evaluation, histogram analysis, information entropy calculation, correlation coefficient analysis, differential analysis, key sensitivity test, and computational and complexity analysis. Based on the theoretical and empirical results the novel image encryption scheme demonstrates an excellent level of security.
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