Chaos-Based Confusion and Diffusion of Image Pixels Using Dynamic Substitution
The evolution of wireless and mobile communication from 0G to the upcoming 5G gives rise to data sharing through the Internet. This data transfer via open public networks are susceptible to several types of attacks. Encryption is a method that can protect information from hackers and hence confident...
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doaj-f1fbd5aa81244f458716d266df4f8a292021-03-30T04:28:47ZengIEEEIEEE Access2169-35362020-01-01814087614089510.1109/ACCESS.2020.30129129151878Chaos-Based Confusion and Diffusion of Image Pixels Using Dynamic SubstitutionAbdullah Qayyum0https://orcid.org/0000-0002-0132-1039Jawad Ahmad1https://orcid.org/0000-0001-6289-8248Wadii Boulila2https://orcid.org/0000-0003-2133-0757Saeed Rubaiee3https://orcid.org/0000-0002-4433-5529 Arshad4https://orcid.org/0000-0001-8621-2773Fawad Masood5https://orcid.org/0000-0002-5788-4228Fawad Khan6https://orcid.org/0000-0001-6609-5928William J. Buchanan7https://orcid.org/0000-0003-0809-3523Department of Electrical Engineering, University of Engineering and Technology, Peshawar, PakistanSchool of Computing, Edinburgh Napier University, Edinburgh, U.K.RIADI Laboratory, University of Manouba, Manouba, TunisiaDepartment of Industrial and Systems Engineering, University of Jeddah, Jeddah, Saudi ArabiaInstitute for Energy and Environment, University of Strathclyde, Glasgow, U.K.Department of Electrical Engineering, Institute of Space Technology, Islamabad, PakistanDepartment of Information Security, National University of Sciences and Technology, Islamabad, PakistanSchool of Computing, Edinburgh Napier University, Edinburgh, U.K.The evolution of wireless and mobile communication from 0G to the upcoming 5G gives rise to data sharing through the Internet. This data transfer via open public networks are susceptible to several types of attacks. Encryption is a method that can protect information from hackers and hence confidential data can be secured through a cryptosystem. Due to the increased number of cyber attacks, encryption has become an important component of modern-day communication. In this article, a new image encryption algorithm is presented using chaos theory and dynamic substitution. The proposed scheme is based on two-dimensional Henon, Ikeda chaotic maps, and substitution box (S-box) transformation. Through Henon, a random S-Box is selected and the image pixel is substituted randomly. To analyze security and robustness of the proposed algorithm, several security tests such as information entropy, histogram investigation, correlation analysis, energy, homogeneity, and mean square error are performed. The entropy values of the test images are greater than 7.99 and the key space of the proposed algorithm is 2<sup>798</sup>. Furthermore, the correlation values of the encrypted images using the proposed scheme are close to zero when compared with other conventional schemes. The number of pixel change rate (NPCR) and unified average change intensity (UACI) for the proposed scheme are higher than 99.50% and 33, respectively. The simulation results and comparison with the state-of-the-art algorithms prove the efficiency and security of the proposed scheme.https://ieeexplore.ieee.org/document/9151878/Henon mapIkeda mapchaosencryptionsubstitution box |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Abdullah Qayyum Jawad Ahmad Wadii Boulila Saeed Rubaiee Arshad Fawad Masood Fawad Khan William J. Buchanan |
spellingShingle |
Abdullah Qayyum Jawad Ahmad Wadii Boulila Saeed Rubaiee Arshad Fawad Masood Fawad Khan William J. Buchanan Chaos-Based Confusion and Diffusion of Image Pixels Using Dynamic Substitution IEEE Access Henon map Ikeda map chaos encryption substitution box |
author_facet |
Abdullah Qayyum Jawad Ahmad Wadii Boulila Saeed Rubaiee Arshad Fawad Masood Fawad Khan William J. Buchanan |
author_sort |
Abdullah Qayyum |
title |
Chaos-Based Confusion and Diffusion of Image Pixels Using Dynamic Substitution |
title_short |
Chaos-Based Confusion and Diffusion of Image Pixels Using Dynamic Substitution |
title_full |
Chaos-Based Confusion and Diffusion of Image Pixels Using Dynamic Substitution |
title_fullStr |
Chaos-Based Confusion and Diffusion of Image Pixels Using Dynamic Substitution |
title_full_unstemmed |
Chaos-Based Confusion and Diffusion of Image Pixels Using Dynamic Substitution |
title_sort |
chaos-based confusion and diffusion of image pixels using dynamic substitution |
publisher |
IEEE |
series |
IEEE Access |
issn |
2169-3536 |
publishDate |
2020-01-01 |
description |
The evolution of wireless and mobile communication from 0G to the upcoming 5G gives rise to data sharing through the Internet. This data transfer via open public networks are susceptible to several types of attacks. Encryption is a method that can protect information from hackers and hence confidential data can be secured through a cryptosystem. Due to the increased number of cyber attacks, encryption has become an important component of modern-day communication. In this article, a new image encryption algorithm is presented using chaos theory and dynamic substitution. The proposed scheme is based on two-dimensional Henon, Ikeda chaotic maps, and substitution box (S-box) transformation. Through Henon, a random S-Box is selected and the image pixel is substituted randomly. To analyze security and robustness of the proposed algorithm, several security tests such as information entropy, histogram investigation, correlation analysis, energy, homogeneity, and mean square error are performed. The entropy values of the test images are greater than 7.99 and the key space of the proposed algorithm is 2<sup>798</sup>. Furthermore, the correlation values of the encrypted images using the proposed scheme are close to zero when compared with other conventional schemes. The number of pixel change rate (NPCR) and unified average change intensity (UACI) for the proposed scheme are higher than 99.50% and 33, respectively. The simulation results and comparison with the state-of-the-art algorithms prove the efficiency and security of the proposed scheme. |
topic |
Henon map Ikeda map chaos encryption substitution box |
url |
https://ieeexplore.ieee.org/document/9151878/ |
work_keys_str_mv |
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