Welcome to the resource topic for 2022/1754
Title:
An SVP attack on Vortex
Authors: zhenfei zhang
Abstract:In [BS22], the authors proposed a lattice based hash function that is useful for building zero-knowledge proofs with superior performance. In this short note we analysis the underlying lattice problem with the classic shortest vector problem, and show that 2 out of 15 proposed parameter sets for this hash function do not achieve the claimed security.
ePrint: https://eprint.iacr.org/2022/1754
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