Efficient verified fuzzy key word searching method based on cloud data subcontract system
A technology of keyword search and cloud data, which is applied in the field of cloud computing security, can solve the problem of not considering the verifiability of keyword search, etc., and achieve the effect of high efficiency, completeness and correctness
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[0017] Below by embodiment the present invention will be further described:
[0018] Based on the efficient and verifiable fuzzy keyword search method of the cloud data outsourcing system, the cloud data outsourcing system is constructed firstly, the cloud data outsourcing system includes the data owner, the authorized user and the cloud server. by A collection of encrypted data files and exact key set , which is scanned by the data owner to encrypt the document Then create a precise keyword set , the data owner outsources the encrypted files to the server and gets the address of each document , for all sets containing exact keywords The corresponding exact keywords in The file of the document records its address set as: , It is an integer greater than or equal to 1, and the cloud server can provide encrypted document sets for authorized users The fuzzy keyword search service on the cloud, and the data owners and authorized users have been assigned their co...
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