International Journal of Advanced Research in Computer Science & Technology (IJARCST)
Globally, data outsourcing has been experiencing vast growth in commercial cloud-especially in the current economic climate where cost-minimization and data privacy is a big question. Many enterprise owners are turning to public cloud mainly for the reason capital expenses are shifted to operational expenses-pay-as-you-use, but when considering data privacy, it is a big challenging issue. This paper focus on privacy for Multi-Keyword Ranked Search over encrypted cloud data (MKRS).To protect the privacy of the data, data owners encrypt the data and then outsource it to the public cloud. And for efficient retrieval of data, the search query has multiple keywords.