期刊名称：International Journal of Engineering and Computer Science
印刷版ISSN：2319-7242
出版年度：2014
卷号：3
期号：4
页码：5215-5223
出版社：IJECS
摘要：Outsourcing the data in cloud computing is exponentially generating to scale up the hardware and software resources.How to protect the outsourced sensitive data as a service is becomes a major data security challenge in cloud computing. Toaddress these data security challenges, we propose an efficient data encryption to encrypt sensitive data before sending to thecloud server. This exploits the block level data encryption using 256 bit symmetric key with rotation. In addition, data users canreconstruct the requested data from cloud server using shared secret key. We analyse the privacy protection of outsourced datausing experiment is carried out on the repository of text files with variable size. The security and performance analysis shows thatthe proposed method is highly efficient than existing methods performance.
