Special Quantum Steganalysis Algorithm for Quantum Secure Communications Based on Quantum Discriminator

• Xinzhu Liu,
• Zhiguo Qu,
• Xiubo Chen,
• Xiaojun Wang,

Vol. 17, No. 6, June 30, 2023
10.3837/tiis.2023.06.008, Download Paper (Free):

• Quantum Computing
• quantum discriminator
• quantum machine learning
• quantum steganalysis
• quantum steganography

Abstract

The remarkable advancement of quantum steganography offers enhanced security for quantum communications. However, there is a significant concern regarding the potential misuse of this technology. Moreover, the current research on identifying malicious quantum steganography is insufficient. To address this gap in steganalysis research, this paper proposes a specialized quantum steganalysis algorithm. This algorithm utilizes quantum machine learning techniques to detect steganography in general quantum secure communication schemes that are based on pure states. The algorithm presented in this paper consists of two main steps: data preprocessing and automatic discrimination. The data preprocessing step involves extracting and amplifying abnormal signals, followed by the automatic detection of suspicious quantum carriers through training on steganographic and non-steganographic data. The numerical results demonstrate that a larger disparity between the probability distributions of steganographic and non-steganographic data leads to a higher steganographic detection indicator, making the presence of steganography easier to detect. By selecting an appropriate threshold value, the steganography detection rate can exceed 90%.

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