云计算下的数据存储安全可证明性综述

云计算的数据服务外包可以减少数据所有者本地的存储和维护压力,然而用户会因此失去对数据可靠性和安全的物理控制。于是如何确保云中数据的安全就成为了非常有挑战性的任务和难题。在全面研究云计算数据存储安全现有成果的基础上,介绍了云计算数据存储的基本架构,并从可检索证明和可证明数据拥有两个角度分析了相关研究方案的发展,从公共认证、同态认证、数据动态化、隐私保护、批审计和多服务器环境得方面讨论了协议的功能设计,并且列表进行了功能和开销对比,在此基础上提出了一个比较完备的云计算环境下的协议框架。最后总结并阐述了后续工作。

Survey of proofs on data storage security in cloud computing

In cloud computing, data service outsourcing relieves the data owners of the burden of local data storage and maintenance. However, it also eliminates their physical control of the storage dependability and security, which makes the outsourced data assurances in cloud computing a very challenging and potentially formidable task. Based on the overall study of the recent researches on data storage security, it introduced the architecture of cloud data storage firstly. And studied the state-of-the-art schemes from proofs of retrievability and provable data possession. Then, this paper discussed the function design in protocol based on public verification, homomorphic authenticators, data dynamics, data privacy protection, batch auditing and multiple-server environment. Furthermore, made some comparisons of functions and the complexity in different protocols in tables. At last, summarized and discussed the further direction of research.