关键词: 云计算, 数据安全, 隐私保护, 基于属性的加密, 可搜索加密

Abstract: With the rapid development of network information technology, cloud computing has gradually become a main technology to achieve information sharing. Because the storage and search of user data in cloud computing are all carried out in the cloud, the protection of user data privacy has been put forward higher requirements, and the protection of data privacy has become the most critical issue in cloud computing. From the point of view of cloud user data privacy protection technology in cloud computing, the key technologies of cloud user data privacy protection in cloud computing environment are analyzed in detail, and their advantages and disadvantages are pointed out in paper.

Key words: cloud computing, data security, privacy protection, ABE, SE