A Novel Chaotic Image Encryption Algorithm Based on Latin Square and Random Shift
To realize the safe transmission of images, a chaotic image encryption algorithm based on Latin square and random shift is proposed. The algorithm consists of four parts: key generation, pixel scrambling, pixel replacement, and bit scrambling. Firstly, the key is generated from the plain image to im...
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| Veröffentlicht in: | Computational intelligence and neuroscience 2021, Vol.2021 (1), p.2091053-2091053 |
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| creator | Zhang, Xuncai Wu, Tao Wang, Yanfeng Jiang, Liying Niu, Ying |
| description | To realize the safe transmission of images, a chaotic image encryption algorithm based on Latin square and random shift is proposed. The algorithm consists of four parts: key generation, pixel scrambling, pixel replacement, and bit scrambling. Firstly, the key is generated from the plain image to improve the sensitivity of the encryption method. Secondly, each pixel in each row of the image matrix is moved cyclically to the right, in turn, to change the position of the image pixel and realize pixel position scrambling. Then, a 256-order Latin square matrix composed of a chaotic sequence is used as a lookup table, and the replacement coordinates are calculated based on the image pixel value and the chaotic sequence value, replacing the corresponding coordinate elements in the image matrix. Finally, decompose the bitplane of the image matrix and combine it into two-bit matrices, scramble the two bit matrices, respectively, with the Latin square matrix, recombine the scrambled two-bit matrices, and convert them into decimal to obtain the ciphertext image. In the proposed encryption method, all the Latin square matrices used are generated by chaotic sequences, further enhancing the complexity of the generated Latin square matrix and improving the algorithm’s security. Experimental results and security analysis show that the proposed algorithm has good security performance and is suitable for image encryption. |
| doi_str_mv | 10.1155/2021/2091053 |
| format | Article |
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The algorithm consists of four parts: key generation, pixel scrambling, pixel replacement, and bit scrambling. Firstly, the key is generated from the plain image to improve the sensitivity of the encryption method. Secondly, each pixel in each row of the image matrix is moved cyclically to the right, in turn, to change the position of the image pixel and realize pixel position scrambling. Then, a 256-order Latin square matrix composed of a chaotic sequence is used as a lookup table, and the replacement coordinates are calculated based on the image pixel value and the chaotic sequence value, replacing the corresponding coordinate elements in the image matrix. Finally, decompose the bitplane of the image matrix and combine it into two-bit matrices, scramble the two bit matrices, respectively, with the Latin square matrix, recombine the scrambled two-bit matrices, and convert them into decimal to obtain the ciphertext image. In the proposed encryption method, all the Latin square matrices used are generated by chaotic sequences, further enhancing the complexity of the generated Latin square matrix and improving the algorithm’s security. Experimental results and security analysis show that the proposed algorithm has good security performance and is suitable for image encryption.</description><identifier>ISSN: 1687-5265</identifier><identifier>EISSN: 1687-5273</identifier><identifier>DOI: 10.1155/2021/2091053</identifier><identifier>PMID: 34531907</identifier><language>eng</language><publisher>New York: Hindawi</publisher><subject>Algorithms ; Analysis ; Chaos theory ; Data encryption ; Encryption ; Image transmission ; Investment analysis ; Latin square design ; Lookup tables ; Methods ; Pixels ; Security</subject><ispartof>Computational intelligence and neuroscience, 2021, Vol.2021 (1), p.2091053-2091053</ispartof><rights>Copyright © 2021 Xuncai Zhang et al.</rights><rights>COPYRIGHT 2021 John Wiley & Sons, Inc.</rights><rights>Copyright © 2021 Xuncai Zhang et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. https://creativecommons.org/licenses/by/4.0</rights><rights>Copyright © 2021 Xuncai Zhang et al. 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-b07192af7f54d25fdc039c941496f1e11d1a22733f6502b58b5c63befcbaf4fa3</citedby><cites>FETCH-LOGICAL-c453t-b07192af7f54d25fdc039c941496f1e11d1a22733f6502b58b5c63befcbaf4fa3</cites><orcidid>0000-0003-4177-9850 ; 0000-0002-8623-1111 ; 0000-0002-2190-7651 ; 0000-0001-6851-8605 ; 0000-0003-4454-730X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8440112/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8440112/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,4010,27900,27901,27902,53766,53768</link.rule.ids></links><search><contributor>Doulamis, Anastasios D.</contributor><contributor>Anastasios D Doulamis</contributor><creatorcontrib>Zhang, Xuncai</creatorcontrib><creatorcontrib>Wu, Tao</creatorcontrib><creatorcontrib>Wang, Yanfeng</creatorcontrib><creatorcontrib>Jiang, Liying</creatorcontrib><creatorcontrib>Niu, Ying</creatorcontrib><title>A Novel Chaotic Image Encryption Algorithm Based on Latin Square and Random Shift</title><title>Computational intelligence and neuroscience</title><description>To realize the safe transmission of images, a chaotic image encryption algorithm based on Latin square and random shift is proposed. The algorithm consists of four parts: key generation, pixel scrambling, pixel replacement, and bit scrambling. Firstly, the key is generated from the plain image to improve the sensitivity of the encryption method. Secondly, each pixel in each row of the image matrix is moved cyclically to the right, in turn, to change the position of the image pixel and realize pixel position scrambling. Then, a 256-order Latin square matrix composed of a chaotic sequence is used as a lookup table, and the replacement coordinates are calculated based on the image pixel value and the chaotic sequence value, replacing the corresponding coordinate elements in the image matrix. Finally, decompose the bitplane of the image matrix and combine it into two-bit matrices, scramble the two bit matrices, respectively, with the Latin square matrix, recombine the scrambled two-bit matrices, and convert them into decimal to obtain the ciphertext image. In the proposed encryption method, all the Latin square matrices used are generated by chaotic sequences, further enhancing the complexity of the generated Latin square matrix and improving the algorithm’s security. Experimental results and security analysis show that the proposed algorithm has good security performance and is suitable for image encryption.</description><subject>Algorithms</subject><subject>Analysis</subject><subject>Chaos theory</subject><subject>Data encryption</subject><subject>Encryption</subject><subject>Image transmission</subject><subject>Investment analysis</subject><subject>Latin square design</subject><subject>Lookup 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Novel Chaotic Image Encryption Algorithm Based on Latin Square and Random Shift</title><author>Zhang, Xuncai ; Wu, Tao ; Wang, Yanfeng ; Jiang, Liying ; Niu, Ying</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c453t-b07192af7f54d25fdc039c941496f1e11d1a22733f6502b58b5c63befcbaf4fa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Algorithms</topic><topic>Analysis</topic><topic>Chaos theory</topic><topic>Data encryption</topic><topic>Encryption</topic><topic>Image transmission</topic><topic>Investment analysis</topic><topic>Latin square design</topic><topic>Lookup tables</topic><topic>Methods</topic><topic>Pixels</topic><topic>Security</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Xuncai</creatorcontrib><creatorcontrib>Wu, Tao</creatorcontrib><creatorcontrib>Wang, Yanfeng</creatorcontrib><creatorcontrib>Jiang, 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realize the safe transmission of images, a chaotic image encryption algorithm based on Latin square and random shift is proposed. The algorithm consists of four parts: key generation, pixel scrambling, pixel replacement, and bit scrambling. Firstly, the key is generated from the plain image to improve the sensitivity of the encryption method. Secondly, each pixel in each row of the image matrix is moved cyclically to the right, in turn, to change the position of the image pixel and realize pixel position scrambling. Then, a 256-order Latin square matrix composed of a chaotic sequence is used as a lookup table, and the replacement coordinates are calculated based on the image pixel value and the chaotic sequence value, replacing the corresponding coordinate elements in the image matrix. Finally, decompose the bitplane of the image matrix and combine it into two-bit matrices, scramble the two bit matrices, respectively, with the Latin square matrix, recombine the scrambled two-bit matrices, and convert them into decimal to obtain the ciphertext image. In the proposed encryption method, all the Latin square matrices used are generated by chaotic sequences, further enhancing the complexity of the generated Latin square matrix and improving the algorithm’s security. Experimental results and security analysis show that the proposed algorithm has good security performance and is suitable for image encryption.</abstract><cop>New York</cop><pub>Hindawi</pub><pmid>34531907</pmid><doi>10.1155/2021/2091053</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0003-4177-9850</orcidid><orcidid>https://orcid.org/0000-0002-8623-1111</orcidid><orcidid>https://orcid.org/0000-0002-2190-7651</orcidid><orcidid>https://orcid.org/0000-0001-6851-8605</orcidid><orcidid>https://orcid.org/0000-0003-4454-730X</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Algorithms Analysis Chaos theory Data encryption Encryption Image transmission Investment analysis Latin square design Lookup tables Methods Pixels Security |
| title | A Novel Chaotic Image Encryption Algorithm Based on Latin Square and Random Shift |
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