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Published in:
2007 | OriginalPaper | Chapter
A Survey of Single-Database Private Information Retrieval: Techniques and Applications
Authors : Rafail Ostrovsky, William E. Skeith III
Published in: Public Key Cryptography – PKC 2007
Publisher: Springer Berlin Heidelberg
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In this paper we survey the notion of Single-Database Private Information Retrieval (PIR). The first Single-Database PIR was constructed in 1997 by Kushilevitz and Ostrovsky and since then Single-Database PIR has emerged as an important cryptographic primitive. For example, Single-Database PIR turned out to be intimately connected to collision-resistant hash functions, oblivious transfer and public-key encryptions with additional properties. In this survey, we give an overview of many of the constructions for Single-Database PIR (including an abstract construction based upon homomorphic encryption) and describe some of the connections of PIR to other primitives.