Abstract
In the Internet of Things environment, the secure transmission of digital images has attracted much attention. To improve the confidentiality, we propose an image cryptosystem adopting a quantum chaotic map and the certain security-enhanced mechanisms. Firstly, we use the good random characteristics of quantum chaotic sequences to enhance security performance. Then, we introduce a plaintext correlation mechanism and a diffusion-permutation-diffusion structure in the cryptosystem. Finally, we verify the cryptosystem on a common secure communication platform. The theoretical and statistical analysis results demonstrate that the cryptosystem has excellent performance and can resist various cryptographic attacks. Moreover, feasibility and effectiveness of the image cryptosystem are verified on the Internet of Things secure communication experimental platform. It proves that the proposed image cryptosystem is a preferred and promising secure communication technology solution.
Highlights
With the vigorous development of emerging information technologies such as Big Data, Internet of Things (IoT), Artificial Intelligence, and 5G communication, the information security of multimedia, especially digital images, has attracted particular attention [1]–[3]
This paper proposes a secure image cryptosystem using quantum chaos and verifies its feasibility on the IoT experimental platform
To improve the security of digital image encryption algorithms and provide high-quality technical solutions for secure communications in the Internet of Things, we have proposed a quantum chaotic image cryptosystem
Summary
With the vigorous development of emerging information technologies such as Big Data, Internet of Things (IoT), Artificial Intelligence, and 5G communication, the information security of multimedia, especially digital images, has attracted particular attention [1]–[3]. It is critical to improve the security performance to resist cryptographic attacks, which is one of the important factors that determines the technology from theoretical research to practical application [20]. This paper proposes a secure image cryptosystem using quantum chaos and verifies its feasibility on the IoT experimental platform. To enhance the ability of encryption algorithms against cryptographic attacks, we propose an image cryptosystem of the structure ‘‘diffusion-permutationdiffusion’’. The confusion and diffusion performance of encryption algorithm are enhanced, and the ability of cipher image to resist various noise attacks is improved. Simulation results show that plaintext correlation to generate chaotic key sequences and ciphertext feedback diffusion encryption security mechanism can improve the security of the encryption scheme performance. We provide the experimental results of security performance analysis and hardware technology implementation
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