Welcome to the resource topic for 2013/481
Title:
Cryptanalysis of the Huang-Liu-Yang Cryptosystem from PKC 2012
Authors: Yosuke Todo, Keita Xagawa
Abstract:This short note describes a key-recovery attack against a multivariate quadratic cryptosystem proposed by Huang, Liu, and Yang (PKC 2012). Our attack is running lattice-basis reduction algorithms on a lattice constructed from the keys in the cryptosystem. The attack takes less than 20 minutes for the proposed parameter sets which are expected to be 80-bit and 128-bit security.
ePrint: https://eprint.iacr.org/2013/481
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