[Resource Topic] 2001/075: Pseudo-Random Functions and Factoring

Welcome to the resource topic for 2001/075

Title:
Pseudo-Random Functions and Factoring

Authors: Moni Naor, Omer Reingold, Alon Rosen

Abstract:

Factoring integers is the most established problem on which
cryptographic primitives are based. This work presents an efficient
construction of {\em pseudorandom functions} whose security is based
on the intractability of factoring. In particular, we are able to
construct efficient length-preserving pseudorandom functions where
each evaluation requires only a {\em constant} number of modular
multiplications per output bit. This is substantially more efficient
than any previous construction of pseudorandom functions based on
factoring, and matches (up to a constant factor) the efficiency of
the best known factoring-based {\em pseudorandom bit generators}.

ePrint: https://eprint.iacr.org/2001/075

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