The insecurity of cloud storage is notorious, it is difficult to both maintain privacy of client's data while still providing the ability to retrieval useful information. In the area of searchable encryption, many previous works presented their constructions based on non-adaptive security definition raised by R.Curtmola. In this paper, we propose an efficient scheme that is secure against more sophisticated server based on adaptive security definition. Furthermore, we combine some components of currently open-source search engine with our scheme to complete a prototype and provide results from experiments on a large-scale dataset to prove the availability and efficiency of our scheme.
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