Fibonacci Q-Matrix, Hyperchaos, and Galois Field (2⁸) for Augmented Medical Image Encryption DOI Creative Commons
Dina El-Damak, Wassim Alexan, Eyad Mamdouh

et al.

IEEE Access, Journal Year: 2024, Volume and Issue: 12, P. 102718 - 102744

Published: Jan. 1, 2024

This work introduces a novel image encryption algorithm specifically designed for the protection of color medical images, particularly crucial in era cloud storage, where security and privacy are paramount. The initial phase process leverages substantial array Fibonacci Q-matrices to manipulate data intricately. Following this, unique Substitution box (S-box) transformation, developed Galois field (28), is applied each RGB channels, further enhancing layers. final employs an key generated from hyperchaotic system differential equations that models memristive coupled neural network, offering high degree unpredictability resistance attacks. Performance metrics show [Peak Signal-to-Noise Ratio (PSNR) 8.21 dB, Mean Absolute Error (MAE) 81.72, ≈ 0 Pixel Cross-Correlation (PCC)], resistivity occlusion noise attacks, enormous space 26112, with savvy parallel processing techniques, rate 16.65 Mbps. integration this into storage systems significant importance, as it ensures secure confidential handling sensitive addressing growing concerns about breaches unauthorized access healthcare sector. Compared previous provides large 26112 small time per around 0.1 second encrypting 16 images at once. Thus, approach suitable imaging such Computed Tomography (CT) scans generate multiple tissues diagnosis patient.

Language: Английский

A comprehensive study of the novel 4D hyperchaotic system with self-exited multistability and application in the voice encryption DOI Creative Commons
Khaled Benkouider, Aceng Sambas, Talal Bonny

et al.

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: June 6, 2024

Abstract This paper describes a novel 4-D hyperchaotic system with high level of complexity. It can produce chaotic, hyperchaotic, periodic, and quasi-periodic behaviors by adjusting its parameters. The study showed that the new experienced famous dynamical property multistability. exhibit different coexisting attractors for same parameter values. Furthermore, using Lyapunov exponents, bifurcation diagram, equilibrium points’ stability, dissipativity, phase plots, was able to investigate features proposed system. mathematical model’s feasibility is proved applying corresponding electronic circuit Multisim software. also reveals an interesting special feature system’s offset boosting control. Therefore, 4D very desirable use in Chaos-based applications due behavior, multistability, property, easily implementable circuit. Then, presents voice encryption scheme employs characteristics encrypt signal. implemented on MATLAB (R2023) simulate research findings. Numerous tests are used measure efficiency developed against attacks, such as histogram analysis, percent residual deviation (PRD), signal-to-noise ratio (SNR), correlation coefficient (cc), key sensitivity, NIST randomness test. simulation findings show how effective our resilient it cryptographic assaults.

Language: Английский

Citations

13

Dynamic Analysis, Image Encryption Application and FPGA Implementation of a Discrete Memristor-Coupled Neural Network DOI
Fei Yu, Xu Si, Yue Lin

et al.

International Journal of Bifurcation and Chaos, Journal Year: 2024, Volume and Issue: 34(06)

Published: May 1, 2024

This paper presents a novel discrete memristor model that incorporates exponential and absolute value functions. A coupled neural network is constructed based on this design. The periodic chaotic regions of the are determined using bifurcation Lyapunov exponent spectrum. Furthermore, by varying initial values memristive network, we observe coexistence chaos attractors, as well attractors. Additionally, an application to color image encryption system given. Security analysis conducted in aspects key space, histogram analysis, correlation sensitivity Peak Signal-to-Noise Ratio (PSNR), information entropy analysis. results show algorithm has space size [Formula: see text], baboon graph 7.9993, which very close ideal 8. It shows feasible effective. Finally, implementation realized Field Programmable Gate Array (FPGA). experimental Verilog language Vivado 2018.3 platform, obtained align with numerical simulation through MATLAB.

Language: Английский

Citations

12

Design and Analysis of a Novel Fractional-Order System with Hidden Dynamics, Hyperchaotic Behavior and Multi-Scroll Attractors DOI Creative Commons
Fei Yu, Shuai Xu, Yue Lin

et al.

Mathematics, Journal Year: 2024, Volume and Issue: 12(14), P. 2227 - 2227

Published: July 17, 2024

The design of chaotic systems with complex dynamic behaviors has always been a key aspect chaos theory in engineering applications. This study introduces novel fractional-order system characterized by hidden dynamics, hyperchaotic behavior, and multi-scroll attractors. By employing fractional calculus, the system’s order is extended beyond integer values, providing richer behavior. dynamics are revealed through detailed numerical simulations theoretical analysis, demonstrating attractors bifurcations. nature verified Lyapunov exponents phase portraits, showing multiple positive that indicate higher degree unpredictability complexity. Additionally, analyzed, showcasing their potential for secure communication encryption approach enhances flexibility adaptability, making it suitable wide range practical uses, including data transmission, image encryption, signal processing. Finally, based on proposed system, we designed simple efficient medical scheme analyzed its security performance. Experimental results validate findings, confirming robustness effectiveness generating behaviors.

Language: Английский

Citations

12

Firing activity in an N-type locally active memristor-based Hodgkin–Huxley circuit DOI
Quan Xu, Yujian Fang,

Chengtao Feng

et al.

Nonlinear Dynamics, Journal Year: 2024, Volume and Issue: 112(15), P. 13451 - 13464

Published: May 18, 2024

Language: Английский

Citations

11

Fibonacci Q-Matrix, Hyperchaos, and Galois Field (2⁸) for Augmented Medical Image Encryption DOI Creative Commons
Dina El-Damak, Wassim Alexan, Eyad Mamdouh

et al.

IEEE Access, Journal Year: 2024, Volume and Issue: 12, P. 102718 - 102744

Published: Jan. 1, 2024

This work introduces a novel image encryption algorithm specifically designed for the protection of color medical images, particularly crucial in era cloud storage, where security and privacy are paramount. The initial phase process leverages substantial array Fibonacci Q-matrices to manipulate data intricately. Following this, unique Substitution box (S-box) transformation, developed Galois field (28), is applied each RGB channels, further enhancing layers. final employs an key generated from hyperchaotic system differential equations that models memristive coupled neural network, offering high degree unpredictability resistance attacks. Performance metrics show [Peak Signal-to-Noise Ratio (PSNR) 8.21 dB, Mean Absolute Error (MAE) 81.72, ≈ 0 Pixel Cross-Correlation (PCC)], resistivity occlusion noise attacks, enormous space 26112, with savvy parallel processing techniques, rate 16.65 Mbps. integration this into storage systems significant importance, as it ensures secure confidential handling sensitive addressing growing concerns about breaches unauthorized access healthcare sector. Compared previous provides large 26112 small time per around 0.1 second encrypting 16 images at once. Thus, approach suitable imaging such Computed Tomography (CT) scans generate multiple tissues diagnosis patient.

Language: Английский

Citations

11