Improving Efficiency, Expressiveness and Security of Searchable Encryption

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dc.contributor.advisorPapamanthou, Charalamposen_US
dc.contributor.authorDemertzis, Ioannisen_US
dc.contributor.departmentElectrical Engineeringen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.date.accessioned2020-10-10T05:36:36Z
dc.date.available2020-10-10T05:36:36Z
dc.date.issued2020en_US
dc.description.abstractA large part of our personal data, ranging from medical and financial records to our social activity, is stored online in cloud servers. Frequent data breaches threaten to expose these data to malicious third parties, often with catastrophic consequences (estimated to several billion of US dollars annually). In this thesis, we use, extend and improve Searchable Encryption (SE) in order to build the next generation encrypted databases/systems that will prevent such undesirable situations. Our goal is to build systems that are both practical and provably secure, while allowing expressive search and computation on encrypted data. Towards this goal, we have proposed new SE schemes that achieve the following: (i) have better search/computation time, (ii) allow expressive queries such as range, join, group-by, as well as dynamic query workloads, and (iii) provide new adjustable security-efficiency trade-offs---leading to robust and efficient schemes even against very powerful adversaries.en_US
dc.identifierhttps://doi.org/10.13016/qtoj-9mkp
dc.identifier.urihttp://hdl.handle.net/1903/26617
dc.language.isoenen_US
dc.subject.pqcontrolledElectrical engineeringen_US
dc.subject.pqcontrolledComputer scienceen_US
dc.subject.pquncontrolledApplied Cryptographyen_US
dc.subject.pquncontrolledSearchable Encryptionen_US
dc.subject.pquncontrolledSecure Databasesen_US
dc.titleImproving Efficiency, Expressiveness and Security of Searchable Encryptionen_US
dc.typeDissertationen_US

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