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Title:
Gadget-Based iNTRU Lattice Trapdoors
Authors: Nicholas Genise, Baiyu Li
Abstract:We present two new related families of lattice trapdoors based on the inhomogeneous NTRU problem (iNTRU) defined in Genise et. al (ASIACRYPT 2019). Our constructions are ``gadget-based’’ and offer compact secret keys and preimages and compatibility with existing, efficient preimage sampling algorithms. Our trapdoors can be used as a fundamental building block in lattice-based schemes relying lattice trapdoors. In addition, we implemented our trapdoors using the PALISADE library.
ePrint: https://eprint.iacr.org/2020/1354
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