Dynamic Analysis and Circuit Implementation of a New 4D Lorenz‐Type Hyperchaotic System

Al-khedhairi, A.; Elsonbaty, Amr; Kader, A. H. Abdel; Elsadany, A. A.

doi:10.1155/2019/6581586

Cited by 8 publications

(3 citation statements)

References 41 publications

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“…Firstly, it has a phase space of dimension at least four. Secondly, it possesses at least two positive Lyapunov exponents [49].…”

Section: Lorenz Hyperchaotic Systemmentioning

confidence: 99%

An Image Encryption Scheme Based on Lorenz Hyperchaotic System and RSA Algorithm

Lin

2021

Security and Communication Networks

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This research proposes a new image encryption scheme based on Lorenz hyperchaotic system and Rivest–Shamir–Adleman (RSA) algorithm. Firstly, the initial values of the Lorenz hyperchaotic system are generated by RSA algorithm, and the key stream is produced iteratively. In order to change the position and gray value of the pixel, the image data are hidden by additive mode diffusion. Secondly, the diffusion image matrix is reshaped into a one-dimensional image matrix, which is confused without repetition to hide the image data again. Then, the finite field diffusion algorithm is executed to realize the third hiding of the image information. In order to diffuse the pixel information into the entire cipher image, the additive mode diffusion algorithm needs to be looped twice. Finally, the cipher image can be obtained. The experimental results prove that the image encryption scheme proposed in this research is effective and has strong antiattack and key sensitivity. Moreover, the security of this encryption scheme relies on the RSA algorithm, which has high security.

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“…Firstly, it has a phase space of dimension at least four. Secondly, it possesses at least two positive Lyapunov exponents [49].…”

Section: Lorenz Hyperchaotic Systemmentioning

confidence: 99%

An Image Encryption Scheme Based on Lorenz Hyperchaotic System and RSA Algorithm

Lin

2021

Security and Communication Networks

View full text Add to dashboard Cite

show abstract

“…First, its phase space is at least four-dimensional. Secondly, it has at least two positive Lyapunov exponents [21,22].…”

Section: Lorenz Hyperchaotic Systemmentioning

confidence: 99%

A Hybrid Domain Color Image Watermarking Scheme Based on Hyperchaotic Mapping

Dong,

Yan,

Zhang

et al. 2024

Mathematics

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In the field of image watermarking technology, it is very important to balance imperceptibility, robustness and embedding capacity. In order to solve this key problem, this paper proposes a new color image adaptive watermarking scheme based on discrete wavelet transform (DWT), discrete cosine transform (DCT) and singular value decomposition (SVD). In order to improve the security of the watermark, we use Lorenz hyperchaotic mapping to encrypt the watermark image. We adaptively determine the embedding factor by calculating the Bhattacharyya distance between the cover image and the watermark image, and combine the Alpha blending technique to embed the watermark image into the Y component of the YCbCr color space to enhance the imperceptibility of the algorithm. The experimental results show that the average PSNR of our scheme is 45.9382 dB, and the SSIM is 0.9986. Through a large number of experimental results and comparative analysis, it shows that the scheme has good imperceptibility and robustness, indicating that we have achieved a good balance between imperceptibility, robustness and embedding capacity.

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“…While electronic circuit simulation software [2][3][27][28] and embedded hardware (DSP [13][14][15][16][17][18] , FPGA [19][20][21][22][23][24][25] ) have been widely used for simulating and controlling hyperchaotic systems, the application of embedded hardware STM32 has been limited. The STM32 offers high performance, low cost, low power consumption, real-time capabilities, digital signal processing, and connectivity, making it very popular in various industries such as industrial control, communications, and the Internet of Things.…”

Section: Introductionmentioning

confidence: 99%

Dynamics, Circuit Design, Feedback Control of a New Hyperchaotic System and Its Application in Audio Encryption

Liu

Cheng

2023

Preprint

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In this study, a new 4D hyperchaotic system is developed from the 3D Lü chaotic system. The dynamic characteristics of the proposed hyperchaotic system are analyzed using chaotic attractors, equilibrium point stability, Lyapunov exponents’ spectrum, and bifurcation diagrams. Additionally, a linear feedback control method is employed to design the feedback control of the hyperchaotic system. Then, the new hyperchaotic system is implemented using electronic workbench multisim and embedded hardware STM32, and the experimental results are compared with the numerical simulations, showing consistency between them. Finally, using the principle of cross-XOR operation, the audio encryption of hyperchaotic sequence was implemented on the embedded hardware STM32. The results show that the audio encryption scheme based on the hyperchaotic system is feasible, and the method is simple to implement, has nonlinear characteristics and certain algorithm complexity, which can be applied to audio encryption, image encryption, video encryption, and more.

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Dynamic Analysis and Circuit Implementation of a New 4D Lorenz‐Type Hyperchaotic System

Cited by 8 publications

References 41 publications

An Image Encryption Scheme Based on Lorenz Hyperchaotic System and RSA Algorithm

An Image Encryption Scheme Based on Lorenz Hyperchaotic System and RSA Algorithm

A Hybrid Domain Color Image Watermarking Scheme Based on Hyperchaotic Mapping

Dynamics, Circuit Design, Feedback Control of a New Hyperchaotic System and Its Application in Audio Encryption

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