Image encryption method based on laser speckle and Henon mapping

In the information technology community, communication is a vital issue. And image transfer creates a major role in the communication of data through various insecure channels. Security concerns may forestall the direct sharing of information and how these different gatherings cooperatively direct data mining without penetrating information security presents a challenge. Cryptography includes changing over a message text into an unintelligible figure and steganography inserts message into a spread media and shroud its reality. Both these plans are successfully actualized in images. To facilitate a safer transfer of image, many cryptosystems have been proposed for the image encryption scheme. This chapter proposes an innovative image encryption method that is quicker than the current researches. The secret key is encrypted using an asymmetric cryptographic algorithm and it is embedded in the ciphered image using the LSB technique. Statistical analysis of the proposed approach shows that the researcher's approach is faster and has optimal accuracy.

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irtual Optical Image Encryption Method Based on Hybrid Chaotic System

ACTA PHOTONICA SINICA ◽

10.3788/gzxb20194807.0710002 ◽

2019 ◽

Vol 48 (7) ◽

pp. 710002 ◽

Cited By ~ 1

Author(s):

郭媛 GUO Yuan ◽

许鑫 XU Xin ◽

敬世伟 JING Shi-wei ◽

杜松英 DU Song-ying

Keyword(s):

Image Encryption ◽

Chaotic System ◽

Optical Image ◽

Encryption Method ◽

Optical Image Encryption

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Image Encryption Algorithm Based on the H-Fractal and Dynamic Self-Invertible Matrix

Computational Intelligence and Neuroscience ◽

10.1155/2019/9524080 ◽

2019 ◽

Vol 2019 ◽

pp. 1-12 ◽

Cited By ~ 3

Author(s):

Xuncai Zhang ◽

Lingfei Wang ◽

Ying Niu ◽

Guangzhao Cui ◽

Shengtao Geng

Keyword(s):

Image Encryption ◽

Security Analysis ◽

Encryption Algorithm ◽

Hyperchaotic System ◽

Original Image ◽

Invertible Matrix ◽

Pseudorandom Sequences ◽

Pixel Location ◽

Encryption Method ◽

Image Encryption Algorithm

In this paper, an image encryption algorithm based on the H-fractal and dynamic self-invertible matrix is proposed. The H-fractal diffusion encryption method is firstly used in this encryption algorithm. This method crosses the pixels at both ends of the H-fractal, and it can enrich the means of pixel diffusion. The encryption algorithm we propose uses the Lorenz hyperchaotic system to generate pseudorandom sequences for pixel location scrambling and self-invertible matrix construction to scramble and diffuse images. To link the cipher image with the original image, the initial values of the Lorenz hyperchaotic system are determined using the original image, and it can enhance the security of the encryption algorithm. The security analysis shows that this algorithm is easy to implement. It has a large key space and strong key sensitivity and can effectively resist plaintext attacks.

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