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Failing to hash into supersingular isogeny graphs
May 10, 2024, 4:12 a.m. | Jeremy Booher, Ross Bowden, Javad Doliskani, Tako Boris Fouotsa, Steven D. Galbraith, Sabrina Kunzweiler, Simon-Philipp Merz, Christophe Petit, Benjam
cs.CR updates on arXiv.org arxiv.org
Abstract: An important open problem in supersingular isogeny-based cryptography is to produce, without a trusted authority, concrete examples of "hard supersingular curves" that is, equations for supersingular curves for which computing the endomorphism ring is as difficult as it is for random supersingular curves. A related open problem is to produce a hash function to the vertices of the supersingular $\ell$-isogeny graph which does not reveal the endomorphism ring, or a path to a curve of …
arxiv authority computing concrete cryptography cs.cr examples graphs hard hash important math.nt problem random ring
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