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Color quantum image encryption and decryption method based on multi-chaos and DNA operation

A quantum image and encryption method technology, applied in image enhancement, image coding, chaotic model and other directions, can solve the problems of single encryption method, slow classical computer operation speed, poor encryption effect, etc., to achieve the effect of improving security

Active Publication Date: 2021-08-24
YANSHAN UNIV
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  • Application Information

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Problems solved by technology

However, at present, one of the encryption algorithms based on quantum images is quantum scrambling based on Arnold, Fibonacci transformation and Hilbert scanning matrix. The disadvantage of slow speed; one is the quantum scrambling method combining gray code and qubit, the encryption method is single, and the encryption effect is not good

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  • Color quantum image encryption and decryption method based on multi-chaos and DNA operation
  • Color quantum image encryption and decryption method based on multi-chaos and DNA operation
  • Color quantum image encryption and decryption method based on multi-chaos and DNA operation

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Embodiment Construction

[0053] The purpose of the invention is to provide a color quantum image encryption method based on multi-chaos and DNA operation, so as to improve the security of quantum information transmission.

[0054] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0055]It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawi...

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Abstract

The invention provides a color quantum image encryption and decryption method based on multi-chaos and DNA operation, and the method comprises the steps: taking a hash value obtained by calculation of a random key and an original plaintext image as an encryption key, generating a five-dimensional hyper-chaos system initial value by the encryption key, generating a chaos sequence, and converting the chaos sequence into a DNA sequence by DNA coding; generating an encrypted chaotic sequence by the encryption parameters obtained by the super Lorenz chaotic mapping and the random number generator; converting the encrypted chaotic sequence and the original plaintext image into an encrypted quantum chaotic sequence and an original quantum image by adopting a quantum image representation model; performing CNOT operation on the original quantum image by using the encrypted quantum chaotic sequence to obtain a scrambled quantum image; and performing DNA diffusion on the scrambled quantum image by the encrypted quantum chaotic sequence and the encrypted DNA sequence to obtain an encrypted image. The encryption method disclosed by the invention is separated from the classic computer category, and the security of the encryption algorithm is improved.

Description

technical field [0001] The invention relates to the technical field of image encryption, in particular to a color quantum image encryption and decryption method based on multi-chaos and DNA operations. Background technique [0002] In the current Internet era, with the rapid development of multimedia and communication means, image transmission has become one of the most popular and basic means in multimedia. Not only the protection of personal privacy, the privacy of confidential information is also very important at the national level. However, traditional AES and DES encryption techniques can only encrypt text data, and are not suitable for images. [0003] With the introduction of quantum computers, due to its efficient quantum parallel computing characteristics, the security of encryption algorithms based on classical computers is greatly reduced. [0004] The field of quantum image encryption is emerging. However, at present, one of the encryption algorithms based on...

Claims

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Application Information

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IPC IPC(8): G06F21/60G06T9/00G06N7/08G06T5/40
CPCG06F21/602G06T9/00G06N7/08G06T5/40
Inventor 刘福才刘帅邓文博
Owner YANSHAN UNIV
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