论文参考：

[1] Pavithra S , Ramya S , Prathibha S . A Survey On Cloud Security Issues And Blockchain[C]// 2019 3rd International Conference on Computing and Communications Technologies (ICCCT). IEEE, 2019.

目录

1 云安全问题

1.1 云计算数据隐私

1.2 数据完整性

1.3 云存储

2 区块链与云安全

2.1 使用区块链解决云安全问题

2.2 区块链与云计算结合

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本文侧重介绍云安全问题和区块链技术的关联

1 云安全问题

1.1 云计算数据隐私

数据隐私主要靠加密算法保证

问题及研究成果：

参考：

[1].Hongbing Cheng, ChunmingRong, ManyunQian, and Weihong Wang (2018), “Accountable Privacy-Preserving Mechanism For Cloud Computing Based On Identity-Based Encryption”, IEEE.

[9].Akshay Arora,Abhirup Khanna, Anmol Rastogi, Amit Agarwal (2017), ”Cloud Security Ecosystem for Data Security and Privacy”, IEEE. Big Data” , IEEE.

[11].Weiwei Kong, Yang Lei, Jing Ma (2017),”Data Security and Privacy Information Challenges in Cloud Computing”, International Conference on Intelligent Networking and Collaborative Systems, IEEE.

1.2 数据完整性

问题及研究成果：

参考：

[6].YindongChen, LipingLi, ZiranChen (2017),“ An Approach to Verifying Data Integrity for Cloud Storage”, IEEE.

[8].Shivarajkumar Hiremath, Sanjeev Kunte,(2017),” A Novel Data Auditing Approach to Achieve Data Privacy and Data Integrity in Cloud Computing”, International Conference on Electrical, Electronics, Communication, Computer and Optimization Techniques (ICEECCOT).

[15].KamileNurSeviş, Ensar Şeker, “Survey on Data Integrity in Cloud”, (2016), IEEE 3rd International Conference on Cyber Security and Cloud Computing.

1.3 云存储

问题及研究成果：

参考：

[10]. Yue Zhang, Jia Yu, RongHao, Cong Wang, Senior Member, IEEE and KuiRen, Fellow, IEEE (2017) “Enabling Efficient User Revocation in Identity-based Cloud Storage Auditing for Shared Big Data” , IEEE.

[13].Yong Yu, Man Ho Au, Member, IEEE, Giuseppe Ateniese, Xinyi Huang, Willy Susilo, Yuanshun Dai, and Geyong Min(2017), “Identity-Based Remote Data Integrity Checking With Perfect Data Privacy Preserving for Cloud Storage”, IEEE

[14].Jia Yu, Huaqun Wang (2016) “Strong Key Exposure Resilient Auditing for Secure Cloud Storage”, IEEE.

[16].Jia Yu, KuiRen, Senior Member, IEEE, and Cong Wang, Member, IEEE(2015),“Enabling Cloud Storage Auditing with Verifiable Outsourcing of Key Updates”,IEEE

2 区块链与云安全

2.1 使用区块链解决云安全问题

问题及研究成果：

参考：

[2].SambitNayak, Nanjangud C Narendra, Anshu ,JamesKempf (2018), IEEE 11th International Conference on Cloud Computing, Saranyu: Using Smart Contracts and Blockchain for Cloud Tenant Management.

[4].Stephen S Kirkman,(2018) A Data Movement Policy Framework for Improving Trust in the Cloud Using Smart Contracts and Blockchains, IEEE International Conference on Cloud Engineering.

[5].QiwuZou, Yuzhe Tang, Ju Chen, Kai Li, Charles A. Kamhoua, Kevin Kwiat, Laurent Njilla, (2018),IEEE 11th International Conference on Cloud Computing ,ChainFS: Blockchain-Secured Cloud Storage.

2.2 区块链与云计算结合

按照本文作者观点，因为区块链技术的难篡改、追踪特性，因此区块链技术与云存储相结合能够很好解决云存储数据安全问题。数据管理去中心化后，也能够降低泄露、篡改等造成风险。并且区块链技术能够利用云计算空闲计算资源，能够降低云计算的成本。