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Secure and Dynamic Multi-Keyword Ranked Search

OAI: oai:igi-global.com:277586 DOI: 10.4018/IJORIS.20210701.oa3
Published by: IGI Global

Abstract

Nowadays, information storing in third party storage is increased. Outsourcing the data to other storage device or servers which may questioned to the secure environment. However, sensitive data like medical information should need an privacy when it is stored in cloud storage. In this paper, a secure keyword search which provide the resultant data in a encrypted form where the end user can decrypt using the key given to them. It uses the Blowfish to encrypt the data and it also supports the data owner to delete or modify the content of their document. It also ensure accurate relevance score calculation between encrypted index and query vectors.