基于交替量子随机游走的量子灰度图像加密方法

IF 5.6 2区 物理与天体物理 Q1 OPTICS
Xudong Song, Shizhao Feng, Weiguo Yi, Ye Zheng
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引用次数: 0

摘要

近年来,在量子计算技术飞速发展的背景下,Shor算法等量子攻击方法对传统的基于数论谜题的公钥加密系统构成了严重威胁。利用量子比特的特性,提出了一种基于交替量子随机游走的量子灰度图像加密方法。首先利用量子表示模型将图像转换为量子态,然后利用交替量子随机游走算法生成量子密钥,并结合量子门运算对灰度图像数据进行加密,既继承了量子计算的抗攻击优势,又通过量子并行性和不可克隆性,解决了量子时代传统图像加密的安全性和效率瓶颈,显著提高了灰度图像加密的安全性。本文提出的算法已经通过仿真实验进行了验证,实验结果表明该方法在加解密效果上都很出色,并且对于加密后的图像,进行了大量的性能分析,分析结果表明所提出的加密方法具有很高的安全性,并且能够有效抵御统计攻击、噪声攻击等。加密后的图像直方图分布更加均匀,像素相关分析接近1,信息熵接近7.999。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Quantum grey-scale image encryption method based on alternating quantum random walk

In recent years, in the context of the rapid development of quantum computing technology, quantum attack methods such as Shor’s algorithm pose a serious threat to the traditional public key encryption system based on number-theoretic puzzles. Using the characteristics of quantum bits, this paper proposes a quantum grey-scale image encryption method based on alternating quantum random walk. Firstly, the quantum representation model is used to transform the image into a quantum state, and then the quantum key is generated by the alternating quantum random walk algorithm, and combined with the quantum gate operation for encrypting the grey-scale image data, which not only inherits the advantage of the anti-attack of the quantum computation, but also, through the quantum parallelism and the non-clonability, which solves the security and efficiency bottleneck of traditional image encryption in the quantum era and significantly improves the security of grey-scale image encryption. The algorithm proposed in this paper has been verified by simulation experiments, and the experimental results show that the method is excellent in encryption and decryption effects, and for the encrypted image, a number of performance analyses have been carried out, and the analysis results show that the proposed encryption method has a high degree of security, and it can effectively resist the statistical attack, noise attack, etc., and the distribution of the histogram of encrypted image is more uniform, the pixel correlation analysis is close to 1, and the information entropy is close to 7.999.

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来源期刊
EPJ Quantum Technology
EPJ Quantum Technology Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
7.70
自引率
7.50%
发文量
28
审稿时长
71 days
期刊介绍: Driven by advances in technology and experimental capability, the last decade has seen the emergence of quantum technology: a new praxis for controlling the quantum world. It is now possible to engineer complex, multi-component systems that merge the once distinct fields of quantum optics and condensed matter physics. EPJ Quantum Technology covers theoretical and experimental advances in subjects including but not limited to the following: Quantum measurement, metrology and lithography Quantum complex systems, networks and cellular automata Quantum electromechanical systems Quantum optomechanical systems Quantum machines, engineering and nanorobotics Quantum control theory Quantum information, communication and computation Quantum thermodynamics Quantum metamaterials The effect of Casimir forces on micro- and nano-electromechanical systems Quantum biology Quantum sensing Hybrid quantum systems Quantum simulations.
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