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» Pseudorandomness and Combinatorial Constructions
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TCC
2005
Springer
95views Cryptology» more  TCC 2005»
15 years 4 months ago
Keyword Search and Oblivious Pseudorandom Functions
We study the problem of privacy-preserving access to a database. Particularly, we consider the problem of privacy-preserving keyword search (KS), where records in the database are ...
Michael J. Freedman, Yuval Ishai, Benny Pinkas, Om...
IACR
2011
115views more  IACR 2011»
13 years 10 months ago
Pseudorandom Functions and Lattices
We give direct constructions of pseudorandom function (PRF) families based on conjectured hard lattice problems and learning problems. Our constructions are asymptotically effici...
Abhishek Banerjee, Chris Peikert, Alon Rosen
62
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CRYPTO
2003
Springer
92views Cryptology» more  CRYPTO 2003»
15 years 4 months ago
Derandomization in Cryptography
We give two applications of Nisan–Wigderson-type (“non-cryptographic”) pseudorandom generators in cryptography. Specifically, assuming the existence of an appropriate NW-ty...
Boaz Barak, Shien Jin Ong, Salil P. Vadhan
APPROX
2009
Springer
156views Algorithms» more  APPROX 2009»
15 years 5 months ago
Small-Bias Spaces for Group Products
Small-bias, or -biased, spaces have found many applications in complexity theory, coding theory, and derandomization. We generalize the notion of small-bias spaces to the setting ...
Raghu Meka, David Zuckerman
EUROCRYPT
2007
Springer
15 years 5 months ago
Range Extension for Weak PRFs; The Good, the Bad, and the Ugly
We investigate a general class of (black-box) constructions for range extension of weak pseudorandom functions: a construction based on m independent functions F1, . . . , Fm is gi...
Krzysztof Pietrzak, Johan Sjödin