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HybridRAM: The first quantum approach for key recovery attacks on Rainbow. (arXiv:2206.10898v1 [cs.CR])
June 23, 2022, 1:20 a.m. | Seong-Min Cho, Aeyoung Kim, Seung-Hyun Seo
cs.CR updates on arXiv.org arxiv.org
A rectangular MinRank attack, proposed by Ward Beullens in 2021, reduced the
security of Rainbow below the security requirements set out by NIST. If quantum
algorithms are applied to perform repeated operations in this attack, the
rectangular MinRank attacks may be more threatening and dramatically lower the
security level of Rainbow. In this paper, we propose a Hybrid Rank Attack Model
called HybridRAM that reduces the computation complexity of rank-based attacks
by applying Grover's quantum search algorithm. We also design …
More from arxiv.org / cs.CR updates on arXiv.org
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