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Cryptanalysis of multi-HFE
multivariate public-key cryptosystems multi-HFE post-quantum cryptography
2015/12/18
Multi-HFE (Chen et al., 2009) is one of cryptosystems whose public key is a set of
multivariate quadratic forms over a finite field. Its quadratic forms are constructed by a set
of multivariate quad...
Cryptanalysis of HFE and Multi-HFE and Variants for Odd and Even Characteristic
public-key cryptography / HFE MinRank Gr鯾ner bases
2012/3/27
We investigate in this paper the security of HFE and Multi-HFE schemes as well as their minus and embedding variants. Multi-HFE is a generalization of the well-known HFE schemes. The idea is to use a ...