计算机科学与探索Issue(12)：1093-1103,11.DOI:10.3778/j.issn.1673-9418.1212009
云存储中的用户数据安全
User Data Security in Cloud Storage Service
摘要
Abstract
This paper analyzes the major cloud service providers’key technology and security mechanism to extract the security requirement of current popular cloud services. And based on this analysis, this paper proposes a security framework which integrates cryptography algorithms as attribute-based encryption (ABE), proof of retrievability and proxy re-encryption to ensure the confidentiality, integrity, availability of cloud data. Furthermore, this paper implements a prototype of cloud storage service based efficient search system which employs ABE for fine-grained access control to protect unauthorized users’access to sensitive file information (abstract, keywords) during search process and at the same time keeps the efficiency.关键词
安全搜索引擎/云存储/属性加密(ABE)/代理重加密/可回取证明Key words
secure search engine/cloud storage service/attribute-based encryption (ABE)/proxy re-encryption/proof of retrievability分类
信息技术与安全科学引用本文复制引用
张婧,陈克非,吕林,郭捷..云存储中的用户数据安全[J].计算机科学与探索,2013,(12):1093-1103,11.基金项目
The National Natural Science Foundation of China under Grant Nos.61133014,60970111(国家自然科学基金) （国家自然科学基金）
