Selective image encryption method based on dynamic DNA coding and new chaotic map

Optik ◽  
2021 ◽  
pp. 167286
Author(s):  
Qiqi Cun ◽  
Xiaojun Tong ◽  
Zhu Wang ◽  
Miao Zhang
Keyword(s):  
Image Encryption ◽  
Chaotic Map ◽  
Dna Coding ◽  
Encryption Method

scholarly journals A New Image Encryption Algorithm Based on Composite Chaos and Hyperchaos Combined with DNA Coding

Entropy ◽  
2020 ◽  
Vol 22 (2) ◽  
pp. 171 ◽  
Author(s):  
Yujie Wan ◽  
Shuangquan Gu ◽  
Baoxiang Du
Keyword(s):  
Image Encryption ◽  
Chaotic Behavior ◽  
Chaotic Map ◽  
Security Analysis ◽  
High Sensitivity ◽  
Experimental Simulation ◽  
One Dimensional ◽  
Dna Coding ◽  
Key Space ◽  
Encryption Method

In order to obtain chaos with a wider chaotic scope and better chaotic behavior, this paper combines the several existing one-dimensional chaos and forms a new one-dimensional chaotic map by using a modular operation which is named by LLS system and abbreviated as LLSS. To get a better encryption effect, a new image encryption method based on double chaos and DNA coding technology is proposed in this paper. A new one-dimensional chaotic map is combined with a hyperchaotic Qi system to encrypt by using DNA coding. The first stage involves three rounds of scrambling; a diffusion algorithm is applied to the plaintext image, and then the intermediate ciphertext image is partitioned. The final encrypted image is formed by using DNA operation. Experimental simulation and security analysis show that this algorithm increases the key space, has high sensitivity, and can resist several common attacks. At the same time, the algorithm in this paper can reduce the correlation between adjacent pixels, making it close to 0, and increase the information entropy, making it close to the ideal value and achieving a good encryption effect.

scholarly journals An Image Encryption Scheme of Logistic Modulation Using Computer-Generated Hologram and Chaotic Map

2018 ◽  
Vol 2018 ◽  
pp. 1-6 ◽  
Author(s):  
Hui Ren ◽  
Jun Wang ◽  
Qiong-Hua Wang
Keyword(s):  
Image Encryption ◽  
Chaotic Map ◽  
Security Analysis ◽  
Security Level ◽  
Computer Generated Hologram ◽  
Key Space ◽  
Strong Robustness ◽  
High Security Level ◽  
Simulation Results ◽  
Encryption Method

We introduce an image encryption method based on computer-generated hologram (CGH) and two-dimensional Sine Logistic modulation map (2D-SLMM). We combine CGH and 2D-SLMM to improve encryption security. During the encryption process, the hologram needs to be logistically modulated by 2D-SLMM. This logistic modulation technique can avoid complex algorithms. Simulation results and security analysis demonstrate that the proposed approach has a high security level, good invisibility of image information in ciphertext, large key space, and strong robustness.

Image Encryption Based on Chaotic Map and DNA Coding

2010 ◽  
Vol 7 (2) ◽  
pp. 388-393 ◽  
Author(s):  
Qian Wang ◽  
Qiang Zhang ◽  
Xiaopeng Wei ◽  
Xianglian Xue ◽  
Ling Guo
Keyword(s):  
Image Encryption ◽  
Chaotic Map ◽  
Dna Coding

An Image Encryption Method Based on Tent Chaotic Map in DCT Domain

2011 ◽  
Vol 279 ◽  
pp. 456-460
Author(s):  
Jian Hua Song ◽  
Qun Ding
Keyword(s):  
Image Encryption ◽  
Chaotic System ◽  
High Efficiency ◽  
Chaotic Map ◽  
Transform Domain ◽  
Dct Domain ◽  
Cryptographic Algorithms ◽  
Simulation Results ◽  
Encryption Method

In recent years, the chaos based cryptographic algorithms have suggested some new and efficient ways to develop secure image encryption techniques. In this paper, the sequence was generated using chaotic system, combined with high efficiency and better security in transform domain. An image encryption method based on Tent chaotic map in DCT domain was proposed. The simulation results show that this method has characteristics such as high efficiency and good safety, and has a certain practicality and objectivity.

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