Practical Dynamic Searchable Encryption with Small Leakage

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Provided by: University of Mary Washington
Topic: Security
Format: PDF
Dynamic Searchable Symmetric Encryption (DSSE) enables a client to encrypt their document collection in a way that it is still searchable and efficiently updatable. However, all DSSE constructions that have been presented in the literature so far come with several problems: Either they leak a significant amount of information (e.g., hashes of the keywords contained in the updated document) or are inefficient in terms of space or search/update time (e.g., linear in the number of documents).
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