| 基于忆阻混沌的安全增强算法及其在物联网的应用 |
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| 引用本文：曹华珍，韦 斌 ，隋 宇，陈亚彬.基于忆阻混沌的安全增强算法及其在物联网的应用[J].计算技术与自动化,2022,(3):176-182 |
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| 中文摘要:随着工业物联网的蓬勃发展，物联网信息交互模式下的信息安全问题逐渐成为讨论热点，现有的安全增强技术存在安全性不足、实用性欠缺、技术难以实物化等问题。针对此类情况，提出了一种基于忆阻超混沌系统的加密算法，并在物联网平台实现。首先对原始图像信息进行初处理，将原始图像矩阵以二值化矩阵存储；接着用已定参数来生成混沌序列，并选取部分值来承担密钥功能；然后对密钥进行归一化处理，利用超混沌系统生成序列的高随机性进行掩膜、扩散等加密操作；最后将生成的密文发送至接收端。实验结果和分析表明，该算法具有密钥空间大、对明文和密钥敏感性强等优点。该算法在物联网平台的成功实现，说明其有望应用于工业物联网。 |
| 中文关键词:混沌加密 电网技术 安全通信 物联网 |
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| Security Enhancement Algorithm Based on Memristive Chaos and Its Application in the Internet of Things |
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| Abstract:With the vigorous development of the industrial Internet of Things, the information security problem under the information interaction mode of the Internet of Things has gradually become a hot topic. The existing security enhancement technology has some problems, such as lack of security and practicability, difficulty in materialization and so on. In view of this situation, an encryption algorithm based on memristor hyperchaos system is proposed and implemented on the platform of Internet of Things. Firstly, the original image information is processed, and the original image matrix is stored as a binary matrix. Secondly, the chaotic sequence is generated by using the determined parameters, and some values are selected to assume the key function. Thirdly, the key is normalized, and the high randomness of the sequence generated by the hyperchaotic system is used for encryption operations such as mask and diffusion. Finally, the generated ciphertext is sent to the receiving end. Experimental results and analysis show that the algorithm has the advantages of large key space and strong sensitivity to plaintext and key. Its successful implementation on the Internet of things platform shows that this algorithm is expected to be applied in the industrial Internet of Things. |
| keywords:chaotic encryption power grid technology secure communication Internet of Things |
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