Abstract
A search strategy over encrypted cloud data based on keywords has been improved and has presented a method using different strategies on the client and the server to improve the search efficiency in this paper. The client uses the Chinese and English to achieve the synonym construction of the keywords, the establishment of the fuzzy-syllable words and synonyms set of keywords and the implementation of fuzzy search strategy over the encryption of cloud data based on keywords. The server side through the analysis of the user’s query request provides keywords for users to choose and topic words and secondary words are picked out. System will match topic words with historical inquiry in time order, and then the new query result of the request is directly gained. The analysis of the simulation experiment shows that the fuzzy search strategy can make better use of historical results on the basis of privacy protection for the realization of efficient data search, saving the search time and improving the efficiency of search.
Highlights
With the arrival of the era of big data and cloud data, more and more ordinary users and enterprise storage in local data files, cloud storage service with convenient using, cost saving and the other advantages are welcomed by more and more users
A fuzzy keyword search method for encryption data in cloud computing is proposed in the literature [1]
In the paper [12], a fuzzy search scheme based on key words is proposed, which realizes the search for the Chinese fuzzy tone and synonymous keywords and uses the pseudo random function to protect the private key
Summary
With the arrival of the era of big data and cloud data, more and more ordinary users and enterprise storage in local data files, cloud storage service with convenient using, cost saving and the other advantages are welcomed by more and more users. A fuzzy keyword search method for encryption data in cloud computing is proposed in the literature [1]. In the paper [12], a fuzzy search scheme based on key words is proposed, which realizes the search for the Chinese fuzzy tone and synonymous keywords and uses the pseudo random function to protect the private key. In this paper, a fuzzy search strategy based on key encrypted cloud data on the basis of fuzzy search strategy over encrypted cloud data based on the keywords is proposed, exploring a method to improve the search efficiency in the cloud storage environment on the client and the server by different search strategies.
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