Image transfer with secure communications application using a new reversible chaotic image encryption

Durdu, Ali̇

doi:10.1007/s11042-023-15707-0

Cited by 5 publications

(3 citation statements)

References 47 publications

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“…Historgram for grayscale images has an intensity level that remains in the range of 0 to 255. A good-quality encrypted image or randomly distributed pixels' histogram is close to a uniform that guarantees the encrypted image has no predictable patterns [58]. It can be observed that plain images' graphs are not uniform and have obvious peaks and changes (see figure 2).…”

Section: Historgram Analysismentioning

confidence: 99%

S-box design based on logistic skewed chaotic map and modified Rabin-Karp algorithm: applications to multimedia security

Waheed,

Subhan

2024

Phys. Scr.

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A substitution box (S-box) serves as the nonlinearity component in a symmetric key encryption scheme; it directly determines the performance and security level of ciphers. Thus, the construction of an S-box with superior performance and efficiency, specifically in terms of high cryptographic properties, is critical. This research proposes a novel method to construct the S-box using the skewed logistic chaotic map and modified Rabin-Karp rolling hash function without disturbing its mathematical structure. First, iterate the skewed logistic map by selecting a seed value and specifying the parameters to generate the chaotic values. The map's sensitivity to initial conditions and parameters results in a seemingly random and unpredictable chaotic values. Second, hash the chaotic values using Rabin-Karp for generating sequences of numbers within a specific range (0–255 for an 8-bit S-box). Then an S-box is constructed using the hash values. Performance evaluations indicate that the S-box produced through our suggested approach exhibits superior performance, demonstrating robust resistance against various security threats, including but not limited to linear attacks, differential attacks, and others. To demonstrate the effectiveness of the constructed S-box, this paper goes on to employ it in an image encryption application. Security analyses reveal that the developed image encryption algorithm successfully encrypts diverse types of images, producing cipher images characterized by uniformly distributed histograms. Performance assessments illustrate its high-security level, surpassing several state-of-the-art encryption algorithms.

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Section: Historgram Analysismentioning

confidence: 99%

S-box design based on logistic skewed chaotic map and modified Rabin-Karp algorithm: applications to multimedia security

Waheed,

Subhan

2024

Phys. Scr.

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“…The number of pixels whose gray value is equal to 𝑖𝑖 is represented by 𝑥𝑥 𝑖𝑖 , as for 𝑥𝑥 𝑗𝑗 , it is the number of pixels whose gray value is equal to j. As for variance (x), it can be calculated using equation 16 as follows [37,38]:…”

Section: ) Histogram Analysismentioning

confidence: 99%

Performance of Cipher Image Transmission in Free Space Optics Under Foggy Weather

El-Mottaleb,

Mohamed,

Chehri

et al. 2023

IEEE Access

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This paper proposes a new cipher image transmission system in free space optics system (FSO). A secure and effective image cryptosystem algorithm based on the Choquet fuzzy integral (CFI) technique and the integer wavelet transform is utilized. Numerical simulations are conducted to examine the efficacy of encrypted images against different attacks. The pixel correlation coefficient is found to be quite small for horizontally, vertically, and diagonally in the ranges 2.0557×10 −4 to 0.00057, 9.0256×10 −4 to 0.0045, and 0.00035 to 0.00342, respectively. Additionally, the information entropy of the encrypted image is found to be within the range of 7.9991:7.9972, which is very close to the ideal value of 8. As for the unified average changing intensity (UACI) and the number of pixel change rate (NPCR) metrics, they are in the ranges 33.46 to 33.42 and 99.58 to 99.63, respectively, which are also very close to the optimum values. Median and high pass filters are employed for further enhancing the received decrypted image. Different fog conditions are considered during the transmission of the encrypted image over FSO channel. The signal to noise ratio (SNR), FSO propagation range, and structured similarity index method (SSIM) are metrics used for performance evaluation. The results indicate that images transmitted with ciphering exhibit better performance than plain images. The maximum FSO spans over which the image can propagate in the channel while maintaining good quality are 1790 m, 1198 m, and 947 m under light fog (LF), medium fog (MF), and heavy fog (HF), respectively. In contrast, these ranges extend to 1798 m (LF), 1206 m (MF), and 953 m (HF) with good visual quality when ciphered images are transmitted. Furthermore, the employed enhancement technique demonstrates improvements in SNR and SSIM values for the received images. For instance, when the original image is transmitted in an FSO channel affected by MF, the SNR is -21 dB. This value significantly improves to 12.6 dB when median and high pass filters are applied for enhancement. In addition, the SSIM value goes from 0.18 for the original image to 0.29 when enhancement techniques like median and high pass filters are used at a 1206 m FSO range in MF weather. Consequently, the proposed encrypted image transfer improves image quality. This advancement can be attributed to the CFI encryption algorithm's rigorous security mechanisms, which assure data safety as it travels through the atmosphere.INDEX TERMS Choquet fuzzy integral (CFI), Image encryption, Free space optics (FSO), Signal to noise ratio (SNR), Structured similarity index method (SSIM)

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“…Chaos is a seemingly random phenomenon in differential system without any random factors [2]. Chaos theory as a branch of nonlinear science, it has been widely applied in economy [3], weak signal detection [4][5][6], medical diagnosis [7][8][9], image encryption [10][11][12], neural network [13][14][15], and secure communication [16][17][18]. So far, the researchers have proposed a variety of chaotic systems, such as the continuous chaotic systems [16,[19][20][21][22][23][24][25], continuous fractional order chaotic systems [26,27], discrete chaotic maps [28,29], fractional order discrete chaotic maps [30][31][32], memristive chaotic systems [33,34] and maps [35,36], complex chaotic systems [37,38].…”

Section: Introductionmentioning

confidence: 99%

Hamilton energy of a complex chaotic system and offset boosting

Gao

2023

Phys. Scr.

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The complex differential system can be obtained by introducing complex variable in the real differential system. Complex variables can be decomposed into real component and imaginary component, which makes the complex differential systems have more complex dynamic behaviors. Complex chaotic system is used in secure communications to increase the security of cryptographic systems. In this study, we designed a complex differential system by incorporating a complex variable into a 3D differential system. Dynamics of this complex differential system are investigated by applying typical nonlinear analysis tools. Furthermore, Hamilton energy function for complex differential system is obtained based on Helmholtz’s theorem. The values of Hamilton energy with different oscillations of complex differential system are calculated. In addition, offset boosting control for the complex chaotic signal is realized by adding a constant to variable of complex system. Simulation shows that the position of the chaotic attractor in phase space can be flexibly shifted by applying the offset parameter.

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Image transfer with secure communications application using a new reversible chaotic image encryption

Cited by 5 publications

References 47 publications

S-box design based on logistic skewed chaotic map and modified Rabin-Karp algorithm: applications to multimedia security

S-box design based on logistic skewed chaotic map and modified Rabin-Karp algorithm: applications to multimedia security

Performance of Cipher Image Transmission in Free Space Optics Under Foggy Weather

Hamilton energy of a complex chaotic system and offset boosting

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