ArticleEntropy (Basel, Switzerland)2018
An Image Encryption Algorithm Based on Time-Delay and Random Insertion.
Article in Entropy (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Non-Linear Hopped Chaos Parameters-Based Image Encryption Algorithm Using Histogram Equalization.Entropy (Basel, Switzerland) · 2021Article
- A New Image Encryption Algorithm Based on Composite Chaos and Hyperchaos Combined with DNA Coding.Entropy (Basel, Switzerland) · 2020Article
- An Image Encryption Scheme Based on Block Scrambling, Modified Zigzag Transformation and Key Generation Using Enhanced Logistic-Tent Map.Entropy (Basel, Switzerland) · 2019Article
- Entropy in Image Analysis.Entropy (Basel, Switzerland) · 2019Article
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2 authors.
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Abstract
An image encryption algorithm is presented in this paper based on a chaotic map. Different from traditional methods based on the permutation-diffusion structure, the keystream here depends on both secret keys and the pre-processed image. In particular, in the permutation stage, a middle parameter is designed to revise the outputs of the chaotic map, yielding a temporal delay phenomena. Then, diffusion operation is applied after a group of random numbers is inserted into the permuted image. Therefore, the gray distribution can be changed and is different from that of the plain-image. This insertion acts as a one-time pad. Moreover, the keystream for the diffusion operation is designed to be influenced by secret keys assigned in the permutation stage. As a result, the two stages are mixed together to strengthen entirety. Experimental tests also suggest that our algorithm, permutation- insertion-diffusion (PID), performs better when expecting secure communications for images.
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