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Cloud computing motivates data owners to economically outsource large amounts of data to the cloud. To preserve the privacy and confidentiality of the documents, the documents need to be encrypted prior to being outsourced to the cloud. In this paper, we propose a lightweight construction that facilitates ranked disjunctive keyword (multi-keyword) searchable encryption based on probabilistic trapdoors...
Public Cloud storage services can be used as a document store to host a large number of documents. In many cases, the documents have to be encrypted in order to ensure their confidentiality, integrity and privacy. As the number of documents increases, searching for the desired documents over the encrypted dataset can be a difficult and resource intensive task. In this paper a novel ranked searchable...
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