期刊名称：International Journal of Computer Technology and Applications
电子版ISSN：2229-6093
出版年度：2013
卷号：4
期号：5
页码：864-868
出版社：Technopark Publications
摘要：Cloud computing has changed the way computing takes place. It is the technology that enables outsourcing of computing and storage to a public cloud maintained by cloud service providers. Cloud users can use cloud storage and other facilities without capital investment in pay as you use fashion. As the data is stored in remote server in the data center of cloud service provider, there is security concern among the cloud users. Wang et al. studied this problem and ensured data integrity in cloud storage by proposing third party auditing concept. The third party auditor is responsible to verify the integrity of data on behalf of cloud data owners. The auditing mechanism monitors the data dynamics. The solution makes use of bilinear aggregate signature for simultaneous auditing and Merkle Hash Tree for secure block level authentication. In this paper we implement a prototype, Java custom simulator, which implements the proof of concept proposed by Wang et al. The empirical results revealed that the prototype is effective to demonstrate the efficiency of auditing mechanism to ensure data integrity
关键词：Cloud computing; outsourcing data; cloud storage security; public auditability
