Welcome to the resource topic for 2014/719
Title:
Bivariate Polynomials Modulo Composites and their Applications
Authors: Dan Boneh, Henry Corrigan-Gibbs
Abstract:We investigate the hardness of finding solutions to bivariate polynomial congruences modulo RSA composites. We establish necessary conditions for a bivariate polynomial to be one-way, second preimage resistant, and collision resistant based on arithmetic properties of the polynomial. From these conditions we deduce a new computational assumption that implies an efficient algebraic collision-resistant hash function. We explore the assumption and relate it to known computational problems. The assumption leads to (i) a new statistically hiding commitment scheme that composes well with Pedersen commitments, (ii) a conceptually simple cryptographic accumulator, and (iii) an efficient chameleon hash function.
ePrint: https://eprint.iacr.org/2014/719
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