Patent
Multiple-image encryption method based on DNA coding and chaos
Zhang Xiaoqiang,Xuesong Wang +1 more
- 02 Feb 2018
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TL;DR: In this article, a multiple-image encryption method based on DNA coding and chaos is proposed, and the experimental results show that the method has excellent encryption effect and high security and is suitable for the practical application of image encryption.
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Abstract: The invention discloses a multiple-image encryption method based on DNA coding and chaos, belonging to the field of information encryption. The massive digital image produced in the large data age should not only ensure the security of the image content, but also have high encryption efficiency. As a new multimedia security technology, the multiple-image encryption has the characteristic of high efficiency. A number of multiple-image encryption methods in the prior art have low encryption efficiency, weak security and obvious distortion in decrypted images, which are difficult to satisfy. Themultiple-image encryption method based on the DNA coding and the chaos comprises the following steps: encoding a number of original images into corresponding DNA sequence matrices; disordering the DNAsequence matrices by means of the chaos sequence; performing the DNA sequence diffusion operation on the disordered results; and obtaining the encrypted image by the DNA decoding operation. The maininnovation is that the invention provides a multiple-image encryption method based on the DNA coding and the chaos. The experimental results show that the method has excellent encryption effect and high security, and is suitable for the practical application of image encryption.
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Citations
Patent
Image encoding method, image decoding method, image encoding device and image decoding device
Wu Tingting,Hou Qiangbo,Cai Xiaohui,Yang Ping +3 more
- 24 May 2019
TL;DR: In this article, a wavelet transformation function is used to decompose an original image into a plurality of sub-images and the levels of the subimages corresponding to the wavelet transform coefficients, and then a coded DNA sequence is determined according to a corresponding relation between the DNA base sequence and numbers.
4
Patent
digital image encryption method based on a DES structure and DNA coding
Zhang Xuncai,Tian Erlin,Ling Dan,Lingfei Wang,Niu Ying,Kai Zhao,Cui Guangzhao,Hangyu Zhou,Wang Yanfeng,Sun Junwei,Jiao Yangyang +10 more
- 14 May 2019
TL;DR: In this paper, a digital image encryption method based on a DES structure and DNA coding is proposed, which is used for solving the problems that when a traditional DES encryption algorithm is applied to image encryption, operation is complex, and clipping attack resistance is poor.
2
Patent
An image encryption method based on chaotic tent mapping and DNA decoding
Li Jianping,Gu Xiaofeng,Hu Jian,Chang Haoyang,Xue Qingtao,Lu Yanan,Zhou Wang,Sun Ruinan +7 more
- 18 Jan 2019
TL;DR: In this paper, an image encryption method based on chaotic tent mapping and DNA decoding was proposed. But the method was not suitable for the problem of low security and practicability in the prior art and direct generation of a key.
1
Patent
Image encryption method based on hyper-chaotic system and variable step size Josepher problem
Niu Ying,Zhang Xuncai,Ge Xun,Lingfei Wang,Geng Shengtao,Hong Wang,Jiao Yangyang,Zhou Zheng +7 more
- 02 Aug 2019
TL;DR: In this article, the authors proposed an image encryption method based on a hyper-chaotic system and a variable step size Josepher problem, which comprises the following steps of inputting an original image into a key generation function to generate a binary sequence.
1
Patent
Multi-diffusion image encryption and decryption method based on chaotic segmentation
Li Jinqing,Di Xiaoqiang,Bi Lin,Xie Nannan,Qi Hui,Cong Ligang,Ren Weiwu,Huan Wang,Wang Jingchun,Ding Yong,Li Jiahuan,Zhao Wei,Liu Xiaojie,Zhenlong Man,Chen Xiaodong,Guan Hongmei +15 more
- 07 Dec 2018
TL;DR: In this article, a multi-diffusion image encryption and decryption method based on chaotic segmentation is disclosed, relating to the field of image encryption technology, and solving the problem of security risks in multimedia data in the existing computer network environment.
1
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Patent
Digital image encryption method based on chaotic system and nucleotide sequence database
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TL;DR: In this article, a digital image encryption method based on a chaotic system and a nucleotide sequence database was proposed, which can effectively defense attack operations such as statistical analysis, exhaustion analysis and the like.
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Patent
DNA dynamic coding based colored image encryption method
Chai Xiuli,Gan Zhihua,Li Zheng,Yang Kang,Gao Yulin,Cheng Yunlong,Duan Xiuqing +6 more
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TL;DR: In this paper, a colored image encryption method based on DNA dynamic coding was proposed, in which a function SHA256 is used to generate the key, and the generation of the key depends on a plaintext, so that plaintext attack can be effectively resisted.
10
Patent
Software watermark process for combined embedding of source code and target code
Junjie Zheng,Bin Lu,Fenlin Liu,Wei Wang,Xin Ge,Yifeng Sun +5 more
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TL;DR: In this article, a technical scheme for performing protection on software, and the technical scheme is produced by applying the technological thought of digital watermarking to the field of software protection.
10
Patent
Multi-image encryption method based on piecewise linear chaotic map (PWLCM)
Wang Xuesong,Cheng Yuhu,Xiaoqiang Zhang +2 more
- 30 Mar 2016
TL;DR: In this paper, a multi-image encryption method based on piecewise linear chaotic map (PWLCM) is proposed to solve the problems that most of the conventional image encryption methods take a single image as an encryption object, and cannot adapt to mass image encryption, and the encryption efficiency is relatively low.
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