Quantum image encryption algorithm based on chaotic system and DNA dynamic coding

A technology of chaotic system and quantum image, which can be used in secure communication through chaotic signal, chaotic model, transmission system, etc.

Active Publication Date: 2018-05-04
NORTHEAST FORESTRY UNIVERSITY
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  • Abstract
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Problems solved by technology

[0002] With the rapid development of computer networks and multimedia, the security of image information has been paid more and more attention, and then there have been a variety of encryption technologies, such as DES, RSA, etc. However, most encryption technologies are proposed for text encryption, which is not Not suitable for images with large data volumes
Chaos-based encryption technology has the characteristics of simple implementation, fast encryption speed, and high security. It has increasingly demonstrated its advantages in the field of encryption. Many image encryption algorithms based on chaotic systems have emerged. Chaos technology has become the main encryption technology in recent years. , but the single use of chaos technology cannot guarantee the security of the image

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  • Quantum image encryption algorithm based on chaotic system and DNA dynamic coding
  • Quantum image encryption algorithm based on chaotic system and DNA dynamic coding
  • Quantum image encryption algorithm based on chaotic system and DNA dynamic coding

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Embodiment Construction

[0019] 1. Initial value x of Logistic chaotic map 0 = 0.2 and y 0 =0.6, the parameter is μ 1 =3.7 and μ 2 =3.8. The parameters of the Lorenz chaotic map are a=10, b=8 / 3, c=28, and the initial values ​​are x=5, y=7, and z=8.

[0020] 2, Figure 1-Figure 3 It is the encryption and decryption effect diagram obtained by the simulation experiment on the 512×512 Lena gray image. figure 1 Is the original image of Lena, figure 2 For the encrypted image after encrypting the original image, image 3 To decrypt the image.

[0021] 3. Figure 4 It is the rendering of the gray histogram analysis of the image before the Lena image encryption, Figure 5 Encrypted image gray histogram for Lena. Through comparison, it can be found that the pixel values ​​of the gray histogram before encryption are concentrated on some values, and there are obvious peaks and valleys, but the pixel distribution of the gray histogram of the encrypted image is relatively uniform, which shows that the use of The encr...

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Abstract

In order to guarantee the security of quantum information, the invention provides a quantum image encryption algorithm based on chaotic mapping and DNA coding in combination with a chaotic system anda DNA coding theory. According to the algorithm, first, quantum coding is performed on an image; second, a sequence generated in Logistic chaos is utilized to scramble the quantum image; third, Lorenzchaos is utilized to perform dynamic DNA coding and DNA additive operation to diffuse the quantum image; and finally the quantum image is measured to obtain a ciphertext image. Through combination ofthe parts, the quantum encryption algorithm is obtained, and through the algorithm, the quantum image can be encrypted by giving different chaotic initial values.

Description

Technical field: [0001] The invention relates to a quantum image encryption algorithm, which uses chaotic mapping and DNA dynamic coding to encrypt quantum images. Background technique: [0002] With the rapid development of computer networks and multimedia, more and more attention has been paid to the security of image information, and a variety of encryption technologies such as DES and RSA have emerged. However, most encryption technologies are proposed for text encryption. Not suitable for images with a large amount of data. Chaotic-based encryption technology has the characteristics of simple implementation, fast encryption speed, and high security. It has increasingly reflected its advantages in the encryption field. Many image encryption algorithms based on chaotic systems have appeared. Chaos technology has become the main encryption technology in recent years. , But the use of chaotic technology alone cannot guarantee the security of the image. In recent years, image e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N7/08G06T1/00G06T9/00H04L9/00H04L9/08
CPCG06N7/08G06T1/005G06T9/00H04L9/001H04L9/0861
Inventor 张健霍达
Owner NORTHEAST FORESTRY UNIVERSITY
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