保护身份隐私的云存储共享数据审计方法  

Cloud Storage Shared Fata Auditing Method for Protecting Identity Privacy

作　　者：王观上 WANG Guan-shang(Guangdong University of Technology,Guangzhou 510006,China)

机构地区：[1]广东工业大学计算机学院

出　　处：《电脑知识与技术》2019年第8Z期30-32,共3页Computer Knowledge and Technology

基　　金：广东省科技计划资助项目（2017B090906003）;广州市重大科技专项资助项目（201802010043,201807010058）

摘　　要：云存储服务的飞速发展,让人们享受到了低廉优质的存储服务的同时,也产生了一系列的云存储安全问题,成为研究热点。为了验证用户存储在云端数据的完整性和正确性,保证验证结果的可靠性并支持公开审计,通常引入第三方审计者代替用户进行审计,这也导致也用户的数据隐私和身份隐私可能泄露的问题。针对这些问题,提出一种保护用户身份隐私的云存储共享数据审计方法。用户使用自己随机产生的私钥和群组管理者产生的群组公钥对数据块进行签名,签名后的数据块和标签被上传至服务器,只有群管理者可以揭露数据块签名者的身份信息,从而保护了云端共享数据审计时数据块签名者的身份隐私。The rapid development of cloud storage services has enabled people to enjoy low-quality and high-quality storage services,and has also created a series of cloud storage security issues,which has become a research hotspot.In order to verify the integrity and correctness of the data stored in the cloud,ensure the reliability of the verification results and support public auditing,thirdparty auditors are usually introduced instead of users for auditing,which also leads to the leakage of data privacy and identity privacy of users.problem.Aiming at these problems,a cloud storage shared data auditing method for protecting user identity privacy is proposed.The user signs the data block using the private key generated by himself and the group public key generated by the group manager.The signed data block and label are uploaded to the server,and only the group manager can disclose the identity information of the data block signer.,thus protecting the identity privacy of the data block signer when the cloud shared data is audited.

关 键 词：云存储 完整性 公开审计 共享数据 身份隐私 

分 类 号：TP309.2[自动化与计算机技术—计算机系统结构]