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Paper 2013/481
Cryptanalysis of the Huang-Liu-Yang Cryptosystem from PKC 2012
Yosuke Todo and 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.
Metadata
- Available format(s)
- Category
- Public-key cryptography
- Publication info
- Preprint. MINOR revision.
- Keywords
- cryptanalysismultivariate cryptographylattice algorithm
- Contact author(s)
- xagawa keita @ lab ntt co jp
- History
- 2013-08-14: received
- Short URL
- https://ia.cr/2013/481
- License
-
CC BY