International Journal of Innovative Science Engineering and Technology (IJISET)
In the emergence of cloud computing, data owners are aggravated to outsource their complex data management system from local site to commercial cloud for great flexibility and economic saving. But for protecting data privacy, sensitive data has to be encrypted before outsourcing to commercial public cloud. Encrypted cloud data search system remains a very challenging task because of inherent security and privacy obstacles. There are so many security issues over the hybrid cloud during migration of data from one site to public cloud and also they cannot handle group of receivers in case of SKE.