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In CRYPTO 2015, Elias, Lauter, Ozman and Stange described an attack on the non-dual decision version of the ring learning with errors problem (RLWE) for two special families of defining polynomials, w...
Weak instances of composite order protocols.
In this paper we present a new attack on the polynomial
version of the Ring-LWE assumption, for certain carefully chosen number
fields. This variant of RLWE, introduced in [BV11] and called the PLWE...
The ring and polynomial learning with errors problems (Ring-LWE and
Poly-LWE) have been proposed as hard problems to form the basis for cryptosystems,
and various security reductions to hard lattice...