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Image encryption method based on controlled magic cube and alternating quantum walks

An encryption method and image technology, which is applied in image communication and key distribution, can solve problems such as insufficient security, and achieve the effect of protecting patient privacy, uniform pixel distribution, and good random scrambling effect

Pending Publication Date: 2022-05-06
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

At present, using Rubik's cube transformation to encrypt images has achieved certain effects, but because the traditio

Method used

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  • Image encryption method based on controlled magic cube and alternating quantum walks
  • Image encryption method based on controlled magic cube and alternating quantum walks
  • Image encryption method based on controlled magic cube and alternating quantum walks

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[0048] The following detailed description is exemplary and intended to provide further explanation of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application.

[0049] An image encryption method based on controlled Rubik's cube and alternating quantum walk, including the following steps,

[0050] S1. Input the transmission image, separate the image into R, G, B three-channel images, and then process the R, G, B three channels respectively; select the appropriate parameters required for the alternate quantum walk, and realize the quantum walk through the photoelectric device , the initial state of the coin is ψ 0 , after...

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Abstract

The invention discloses an image encryption scheme based on a controlled Rubik's cube and alternate quantum walkings, which comprises the following steps of: generating a control sequence and an encryption sequence by adopting quantum walkings, averagely dividing a two-dimensional image into six parts to represent six surfaces of the Rubik's cube, and sequentially selecting pixels in the six parts to form a plurality of three-order Rubik's cubes, the control sequence is used for controlling the magic cube to rotate to complete the spatial position scrambling of the image, the pixel value of the scrambled image is preliminarily encrypted according to the magic cube shifting principle, and finally the scrambled and encrypted image and the encryption sequence are subjected to XOR processing to obtain the encrypted image. The method has the capability of resisting statistical analysis attack and any violent attack, so that the security of image encryption is higher.

Description

technical field [0001] The invention belongs to the field of image encryption, in particular to an image encryption method based on controlled Rubik's cube and alternate quantum walks. Background technique [0002] With the development of science and technology, it has brought earth-shaking changes to our production and life. With the vigorous development of big data and the Internet of Things, sensors and networks have been widely used, generating a large amount of information data. At present, multimedia information such as numbers, characters, images, audio and video are widely disseminated on the Internet. Massive amounts of information are transmitted on the Internet through various media, and these information often contain more or less secret information such as personal privacy of many people. Therefore, the security protection of information has become an inevitable demand of the public, especially the security protection of image information carrying a large amou...

Claims

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Application Information

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IPC IPC(8): H04N1/32H04L9/08
CPCH04N1/32272H04L9/0852
Inventor 马鸿洋张田赵景波蒋建伟宋佳宝柯祉衡
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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