Chaos-based image encryption using discrete maps
Ritesh Shrivastavritesharsh15@gmail.comDepartment of Computer Science & EngineeringAnjuman College of Engineering & TechnologyNagpur, Maharashtra, 440022, IndiaView full profile → , *Latika Rahul DesaiCorresponding authorlatikadesai@gmail.comAkurdiView full profile → , Saniya Khuranasaniya.khurana.orp@chitkara.edu.inCentre for Research Impact and OutcomeChitkara UniversityRajpura, Punjab, 140417, IndiaView full profile → , Lokesh Ravillalokesh.ravilla.lr@gmail.comCentre for Multidisciplinary ResearchAnurag UniversityHyderabad, Telangana, 500088, IndiaView full profile → , Shobhit Goyalshobhit.goyal@quantumeducation.inQuantum University Research CenterQuantum UniversityRoorkee, Uttarakhand, 247667, India0009-0009-2291-7614View full profile → , Fazil Hasanfazil@niu.edu.inDepartment of AgricultureNoida International UniversityGreater Noida, Uttar Pradesh, 203201, IndiaView full profile →
* Corresponding author · click or hover a name for details
- Received:
- 01 Apr 2026
- Published Online:
- 31 Oct 2026
- Article type:
- Research Article
- Language:
- EN
- Article no.:
- JDMSC-3035
- Pages:
- 4097–4107
Abstract
Image encryption using chaos has become an effective method of protecting digital visual information because of its high sensitivity, randomness and nonlinear nature. The current paper outlines a discrete map-based encryption model which uses chaotic sequences to provide strong protection to images. The model proposed combines both permutation and diffusion processes based on discrete chaotic maps to attain good confusion and diffusion properties. The encryption algorithm is a stepwise algorithm that is meant to encode pixel positions and intensities and the decryption algorithm, when the correct keys are used, would guarantee proper decoding of the algorithm. It can be shown using key sensitivity analysis that any small change in the initial parameters will lead to a large difference in the output, which will make it more resistant to brute-force and differential attacks. The effectiveness of the proposed chaos-based encryption scheme is confirmed by the experimental results showing a high level of entropy, low level of correlation, and enhanced security performance over traditional techniques.
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References
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