Open AccessSecure And Dynamic Multi Keyword Ranked Search
Publication year - 2021
Publication title -
international journal of operations research and information systems
Language(s) - English
Resource type - Journals
eISSN - 1947-9336
pISSN - 1947-9328
DOI - 10.4018/ijoris.20210701oa03
Subject(s) - encryption , outsourcing , computer science , relevance (law) , key (lock) , server , keyword search , cloud computing , database , index (typography) , information retrieval , computer security , data mining , world wide web , operating system , business , political science , law , marketing
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.