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Choosing Parameters for the Subfield Lattice Attack against overstretched NTRU
NTRU smaller modulus
2017/10/9
Albrecht et al. at Crypto 2016 and Cheon et al. at ANTS 2016 independently presented a subfield attack on overstretched NTRU problem. Their idea is to map the public key down to the subfield (by norm ...
A subfield lattice attack on overstretched NTRU assumptions: Cryptanalysis of some FHE and Graded Encoding Schemes
NTRU Cryptanalysis Multilinear Maps
2016/2/23
We exploit the presence of a subfield to solve the NTRU problem for large moduli
q: norming-down the public key h to a subfield may lead to an easier lattice problem, and any
sufficiently good solut...
QTRU: A Lattice Attack Resistant Version of NTRU PKCS Based on Quaternion Algebra
QTRU NTRU quaternion algebra
2009/8/18
We propose QTRU, a probabilistic and multi-dimensional public key cryptosystem based on
the NTRU public key cryptosystem using quaternion algebra. QTRU encrypts four data vectors
in each encryption ...
QTRU: A Lattice Attack Resistant Version of NTRU PKCS Based on Quaternion Algebra
QTRU NTRU quaternion algebra
2009/7/14
We propose QTRU, a probabilistic and multi-dimensional public-key cryptosystem based on
the NTRU public-key cryptosystem using quaternion algebra. QTRU encrypts four data vectors
in each encryption ...