Image encryption method based on combination of chaos principle and genetic algorithm

A technology of genetic algorithm and encryption method, which is applied in the field of image encryption, can solve problems such as redundant operation steps, achieve the effects of ensuring safety and effectiveness, improving image security, and avoiding economic loss and technology leakage

Inactive Publication Date: 2021-08-13
JIANGSU GENTURE ELECTRONICS INFORMATION SERVICE CO LTD
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Problems solved by technology

Since the password and the general key position of the password in the entire grouping process will not change, a new grouping is required when the encryption algorithm is used again, and this process is prone to redundant steps.

Method used

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  • Image encryption method based on combination of chaos principle and genetic algorithm
  • Image encryption method based on combination of chaos principle and genetic algorithm
  • Image encryption method based on combination of chaos principle and genetic algorithm

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Embodiment Construction

[0029] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0030] Such as figure 1As shown, an image encryption method based on the combination of chaos principle and genetic algorithm. First, the image is processed. Input the image, generate the initial two-dimensional matrix of the image through the image pixels, expand and arrange the initial two-dimensional matrix of the image to form a string-dimensional array, perform rotation and translation processing on the image, and realize the row and column replacement of the initial two-dimensional matrix of the image, The permuted image and the permuted two-dimensional matrix of the image are obtained. Then, generate an initial key. In image encryption, key is an in...

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Abstract

The invention relates to an image encryption method based on combination of a chaos principle and a genetic algorithm. The image encryption method comprises the steps: 1, image processing, 2, initial key generation, 3, image row encryption and column encryption, 4, chaos sequence generation, 5, chaos mapping and 6, image storage and output. According to the method, the image security and the pixel irrelevance of the image in the transmission process can be improved, the pixel relevance of the image generated after encryption is small, the secret key cracking difficulty is large, the security of image information transmission is ensured, economic loss and technical leakage caused by image leakage are avoided, and safe and effective image information transmission is ensured.

Description

technical field [0001] The invention relates to an image encryption method based on the combination of chaos principle and genetic algorithm, belonging to the technical field of image encryption. Background technique [0002] In recent years, with the diversification and rapid development of my country's modern electronic information industry, a large number of electronic products and various data have flooded all aspects of people's daily life. Compared with the past, the cost for people to obtain all kinds of data is constantly decreasing. At the same time, the value of information data is increasing day by day. In the era of big data, we are constantly exchanging data in our work and life. We are transmitting information all the time and everywhere in our daily work and life. In many cases, we exchange picture information through the network, which will cause information leakage. risks of. Aiming at network security technical issues, there are currently many technical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/06H04L9/00
CPCG06N3/126H04L9/001H04L9/0631
Inventor 杜辅翼李涛陶万军
Owner JIANGSU GENTURE ELECTRONICS INFORMATION SERVICE CO LTD
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