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How a database is encrypted depends entirely on the types of queries you want to be able to make on it and the security of its design is considered in terms of a leakage function L (analogous to a random oracle). If the server can't tell the difference between a leakage function and an encrypted database with actual data, then the scheme is called ...


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I work in the area of data-at-rest encryption, so I feel fairly qualified to answer your questions. Re. 1: Access control is well and good but it typically isn't modeled in cryptographic proofs of security because it's an extra assumption, and proofs try to use as few assumptions as possible. It's obviously important for the real-world security of a ...



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