Cryptanalyzing and Improving an Image Encryption Algorithm Based on Chaotic Dual Scrambling of Pixel Position and Bit.

Shuqin Zhu, Congxu Zhu, Hanyu Yan

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Article in Entropy (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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3 authors.

Shuqin ZhuSchool of Computer Science and Technology, Liaocheng University, Liaocheng 252059, China.

Congxu ZhuSchool of Computer Science and Engineering, Central South University, Changsha 410083, China.

Hanyu YanSchool of Computer Science and Technology, Liaocheng University, Liaocheng 252059, China.

Funding

Discipline with Strong Characteristics of Liaocheng University-Intelligent Science and Technology 31946220821B0849the National Natural Science Foundation of China 62071496the Shan Dong Province Nature Science Foundation ZR2022MF283

6 · The paper itself

Abstract

An image encryption algorithm for the double scrambling of the pixel position and bit was cryptanalyzed. In the original image encryption algorithm, the positions of pixels were shuffled totally with the chaotic sequence. Then, the 0 and 1-bit positions of image pixels were scrambled through the use of another chaotic sequence generated by the input key. The authors claimed that the algorithm was able to resist the chosen-plaintext attack. However, through the analysis of the encryption algorithm, it was found that the equivalent key of the whole encryption algorithm was the scrambling sequence

Indexed as

chaotic systemchosen plaintext attackcryptanalysisimage encryption

Identifiers

PMID36981290

DOI10.3390/e25030400

PMCPMC10047393

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