[Resource Topic] 2017/342: Multilinear Maps Using a Variant of Ring-LWE

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Multilinear Maps Using a Variant of Ring-LWE

Authors: Gu Chunsheng


GGH13, CLT13 and GGH15 of multilinear maps suffer from zeroizing attacks. In this paper, we present a new construction of multilinear maps using a variant of ring-LWE (vRLWE). Furthermore, we also present two new variants of vRLWE, which respectively support the applications of multipartite key exchange and witness encryption. At the same time, we also present a new variant of GGH13 using matrix form. The security of our construction depends upon new hardness assumptions.

ePrint: https://eprint.iacr.org/2017/342

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