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A Secure and Dynamic Multi Keyword Ranked Search Scheme over encrypted

A.Raghavendra Praveen Kumar, K.Tarakesh, U.Veeresh, ,
Pursuing M.Tech, CSE Branch, Dept of CSE
Assistant Professor, Department of Computer Science and Engineering
Assistant Professor, Department of Computer Science and Engineering G.Pullaiah College of Engineering and Technology, Kurnool, Andhra Pradesh, India.

The major aim of this paper is to solve the problem of multi-keyword ranked search over encrypted cloud data (MRSE) at the time of protecting exact method wise privacy in the cloud computing concept. Data holders are encouraged to outsource their difficult data management systems from local sites to the business public cloud for large flexibility and financial savings. However for protecting data privacy, sensitive data have to be encrypted before outsourcing, which performs traditional data utilization based on plaintext keyword search. As a result, allowing an encrypted cloud data search service is of supreme significance. In view of the large number of data users and documents in the cloud, it is essential to permit several keywords in the search demand and return documents in the order of their appropriate to these keywords. Similar mechanism on searchable encryption makes centre on single keyword search or Boolean keyword search, and rarely sort the search results. In the middle of various multi-keyword semantics, deciding the well-organized similarity measure of “coordinate matching,” it means that as many matches as possible, to capture the appropriate data documents to the search query. Particularly, we consider “inner product similarity” i.e., the amount of query keywords shows in a document, to quantitatively estimate such match measure that document to the search query. Through the index construction, every document is connected with a binary vector as a sub index where each bit characterize whether matching keyword is contained in the document. The search query is also illustrates as a binary vector where each bit means whether corresponding keyword appears in this search request, so the matched one could be exactly measured by the inner product of the query vector with the data vector. On the other hand, directly outsourcing the data vector or the query vector will break the index privacy or the search privacy. The vector space model facilitate to offer enough search accuracy, and the DES encryption allow users to occupy in the ranking while the popularity of computing work is done on the server side by process only on cipher text. As a consequence, data leakage can be eradicated and data security is guaranteed.

A.Raghavendra Praveen Kumar,K.Tarakesh,U.Veeresh."A Secure and Dynamic Multi Keyword Ranked Search Scheme over encrypted". International Journal of Computer Engineering In Research Trends (IJCERT) ,ISSN:2349-7084 ,Vol.2, Issue 12,pp.1137-1141, December- 2015, URL :,

Keywords : Multi-keyword ranked search over encrypted cloud data, OTP, Product resemblance, Cloud, Data owners

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