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Maintaining information privacy is challenging when sharing data across a distributed long-term datastore. In such applications, secret splitting the data across independent sites has been shown to be a superior alternative to fixed-key encryption; it improves reliability, reduces the risk of insider threat, and removes the issues surrounding key management. However, the inherent security of such...
Cipherbase is a comprehensive database system that provides strong end-to-end data confidentiality through encryption. Cipherbase is based on a novel architecture that combines an industrial strength database engine (SQL Server) with lightweight processing over encrypted data that is performed in secure hardware. The overall architecture provides significant benefits over the state-of-the-art in terms...
Deterministic encryption for low entropy personally identifiable information(PII) is vulnerable to dictionary attack. It is particularly so because of an expedient method to enumerate possible PII'splain text instead of all possible keys. Deterministic encryption, however, is indispensable in the generation of hash or index of PII. This paper presents a novel mechanism to frustrate dictionary attacks...
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