Provided by:
International journal of Engineering and Management Research (IJEMR)
Topic:
Security
Format:
PDF
The arrival of cloud computing, data owners are motivated to subcontract their complex data management systems from local sites to commercial public cloud for great elasticity and economic savings. But for protecting data privacy, sensitive data has to be encrypted before outsourcing, considering the large number of data users and documents in cloud, it is a key for the search service to allow multi-keyword query and provide result similarity ranking to meet the effective data retrieval need. In this paper, for the first time, the authors define and solve the challenging problem of privacy-preserving Multi-keyword Ranked Search over Encrypted cloud data (MRSE) and establish a set of strict privacy requirements for such a secure cloud data utilization system to become a reality.
