基于区块链的云存储数据安全访问控制方法  

Blockchain-based secure access control method for cloud storage data

作　　者：李雪松 廖芳 李香冬 李迪 杨力 LI Xuesong;LIAO Fang;LI Xiangdong;LI Di;YANG Li(Big Data Security Engineering Research Center(Guizhou)Co.,Ltd.,Guiyang 550081,China)

机构地区：[1]大数据安全工程研究中心(贵州)有限公司,贵州贵阳550081

出　　处：《无线互联科技》2024年第19期118-120,共3页Wireless Internet Science and Technology

摘　　要：为提高数据访问的安全性,文章引进区块链技术,开展云存储数据安全访问控制方法研究。该方法利用调制技术设定控制变量,计算数据访问信道的期望效益度,对云存储数据访问信道进行均衡设计,利用区块链技术中的E椭圆曲线加密算法生成一对公钥和私钥,生成访问权限密文。设计智能合约中包含的主要内容,对云存储数据进行安全访问控制。对比实验结果证明:文章设计方法可以实现异常数据的精准辨识。To improve the security of data access,this article introduces blockchain technology and conducts research on cloud storage data security access control methods.This method uses modulation technology to set control variables,calculate the expected benefit of the data access channel,balance the design of the cloud storage data access channel,and uses the E elliptic curve encryption algorithm in blockchain technology to generate a pair of public and private keys,and generate access permission ciphertext.The main content included in designing smart contracts is to provide secure access control for cloud storage data.The comparative experimental results demonstrate that the article design method can achieve accurate identification of abnormal data.

关 键 词：区块链 访问权限密文 云存储数据 安全访问控制 

分 类 号：TP390.2[自动化与计算机技术—计算机应用技术]