= Léo Ducas
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= L. Ducas
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{synonym}
<Léo Ducas> is a <computer scientist> whose work concerns <lattice-based cryptography> and <lattice algorithms>. His research connects the geometry and computation of <Euclidean lattices> with the construction of <cryptographic protocols>.<Léo Ducas's CWI research homepage>[About, teaching and cryptographic scheme contributions]{ref}
He is a co-designer of <CRYSTALS-Kyber> and <CRYSTALS-Dilithium>, the schemes that were standardized as <ML-KEM> and <ML-DSA>. They serve different purposes: a <key encapsulation mechanism> establishes a shared secret through a public-key operation, while a <digital signature> authenticates a message under a signing key.<Léo Ducas's CWI research homepage>[Co-Designer of schemes submitted for standardization, <CRYSTALS-Kyber> and <CRYSTALS-Dilithium>]{ref}
Homepage: https://homepages.cwi.nl/~ducas/
\Image[https://homepages.cwi.nl/~ducas/photo.jpg]
{title=Portrait of <Léo Ducas>}
{description=Photograph linked on the https://homepages.cwi.nl/~ducas/[CWI personal homepage].}
{width=240}
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