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Efficiency improvements in constructing pseudorandom generators from one-way functions

Published: 05 June 2010 Publication History

Abstract

We give a new construction of pseudorandom generators from any one-way function. The construction achieves better parameters and is simpler than that given in the seminal work of Hastad, Impagliazzo, Levin, and Luby [SICOMP '99]. The key to our construction is a new notion of "next-block pseudoentropy", which is inspired by the notion of "inaccessible entropy" recently introduced in [Haitner, Reingold, Vadhan, Wee, STOC '09]. An additional advantage over previous constructions is that our pseudorandom generators are parallelizable and invoke the one-way function in a non-adaptive manner. Using [Applebaum, Ishai, Kushilevitz, SICOMP '06], this implies the existence of pseudorandom generators in NC^0 based on the existence of one-way functions in NC^1.

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cover image ACM Conferences
STOC '10: Proceedings of the forty-second ACM symposium on Theory of computing
June 2010
812 pages
ISBN:9781450300506
DOI:10.1145/1806689
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 05 June 2010

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  1. one-way function
  2. pseudorandom generator
  3. security preserving

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June 5 - 8, 2010
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