[Resource Topic] 2009/451: Efficient Certificateless KEM in the Standard Model

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Efficient Certificateless KEM in the Standard Model

Authors: Georg Lippold, Colin Boyd, Juan González Nieto


We give a direct construction of a certificateless key encapsulation mechanism (KEM) in the standard model that is more efficient than the generic constructions proposed before by Huang and Wong \cite{DBLP:conf/acisp/HuangW07}. We use a direct construction from Kiltz and Galindo’s KEM scheme \cite{DBLP:conf/acisp/KiltzG06} to obtain a certificateless KEM in the standard model; our construction is roughly twice as efficient as the generic construction. We also address the security flaw discovered by Selvi et al. \cite{cryptoeprint:2009:462}.

ePrint: https://eprint.iacr.org/2009/451

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