Abstract
The arrival of cloud computing age makes data outsourcing an important and convenient application. More and more individuals and organizations outsource large amounts of graph data to the cloud computing platform (CCP) for the sake of saving cost. As the server on CCP is not completely honest and trustworthy, the outsourcing graph data are usually encrypted before they are sent to CCP. The optimal route finding on graph data is a popular operation which is frequently used in many fields. The optimal route finding with support for semantic search has stronger query capabilities, and a consumer can use similar words of graph vertices as query terms to implement optimal route finding. Due to encrypting the outsourcing graph data before they are sent to CCP, it is not easy for data customers to manipulate and further use the encrypted graph data. In this paper, we present a solution to execute privacy‐guarding optimal route finding with support for semantic search on the encrypted graph in the cloud computing scenario (PORF). We designed a scheme by building secure query index to implement optimal route finding with support for semantic search based on searchable encryption idea and stemmer mechanism. We give formal security analysis for our scheme. We also analyze the efficiency of our scheme through the experimental evaluation.
Highlights
With the rapid progress of electronic devices and communication technologies, it promotes the advent of the era of cloud computing that has an important impact and value on all walks of life [1, 2]
To solve the problem on cloud computing platform (CCP), we present a solution to execute privacy-guarding optimal route finding with support for semantic search on the encrypted graph in the cloud computing scenario (PORF)
(1) We present a scheme to address the problem of optimal route finding with support for semantic search on the encrypted graph in the cloud computing scenario
Summary
With the rapid progress of electronic devices and communication technologies, it promotes the advent of the era of cloud computing that has an important impact and value on all walks of life [1, 2]. Ciucanu et al presented a secure framework for graph outsourcing and SPARQL evaluation in the literature [27] These methods cannot address the problem of optimal route finding with support for semantic search on encrypted graph. To solve the problem on CCP, we present a solution to execute privacy-guarding optimal route finding with support for semantic search on the encrypted graph in the cloud computing scenario (PORF). (1) We present a scheme to address the problem of optimal route finding with support for semantic search on the encrypted graph in the cloud computing scenario (2) We give the formal security analysis of the scheme to ensure the privacy and security of query results and query terms (3) We conduct an experimental analysis to demonstrate the efficiency of our scheme.
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