An Efficient Plaintext-Related Chaotic Image Encryption Scheme Based on Compressive Sensing

Abstract

With the development of mobile communication network, especially 5G today and 6G in the future, the security and privacy of digital images are important in network applications. Meanwhile, high resolution images will take up a lot of bandwidth and storage space in the cloud applications. Facing the demands, an efficient and secure plaintext-related chaotic image encryption scheme is proposed based on compressive sensing for achieving the compression and encryption simultaneously. In the proposed scheme, the internal keys for controlling the whole process of compression and encryption is first generated by plain image and initial key. Subsequently, discrete wavelets transform is used in order to convert the plain image to the coefficient matrix. After that, the permutation processing, which is controlled by the two-dimensional Sine improved Logistic iterative chaotic map (2D-SLIM), was done on the coefficient matrix in order to make the matrix energy dispersive. Furthermore, a plaintext related compressive sensing has been done utilizing a measurement matrix generated by 2D-SLIM. In order to make the cipher image lower correlation and distribute uniform, measurement results quantified the 0∼255 and the permutation and diffusion operation is done under the controlling by two-dimensional Logistic-Sine-coupling map (2D-LSCM). Finally, some common compression and security performance analysis methods are used to test our scheme. The test and comparison results shown in our proposed scheme have both excellent security and compression performance when compared with other recent works, thus ensuring the digital image application in the network.

Security Analysis and Improvement of an Image Encryption Cryptosystem Based on Bit Plane Extraction and Multi Chaos

“…If we choose an accuracy of 10 −14 for the four variables ( μ 1 , x 0 , μ 2 , y 0 ), we obtain a key space of 10 56 ≈ 2 187 . As [ 34 , 35 , 36 ] pointed out, the effective key space of the image encryption system should be greater than 2 100 in order to prevent brute force attacks, so the key space of our algorithm is sufficiently large to resist against brute force attacks.…”

Noninvasive Detection of Respiratory Disorder Due to COVID-19 at the Early Stages in Saudi Arabia

“…Through visual inspection, it is evident that the contents are encrypted and an intruder cannot get any ideas about the original spectrogram. However, a visual inspection alone is not sufficient, and security should be proven through statistical analyses [51]. Figures 13-15 show the histograms of the red, green, and blue channels, respectively.…”

Coexistence of Multiple Attractors in a Novel Simple Jerk Chaotic Circuit With CFOAs Implementation

“…Chaos is a complex nonlinear phenomenon with special dynamical properties, and various chaotic systems are found and widely used in the fields of electronic communication systems, control systems, and so on [1][2][3][4][5][6]. Chaotic circuits have become an important tool for studying chaos theory due to easy observation.…”