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Generic Constructions of Identity-Based and Certificateless KEMs

Kamel Bentahar, Pooya Farshim, John Malone-Lee, Nigel Smart, Generic Constructions of Identity-Based and Certificateless KEMs. Journal of Cryptology, 21(2). ISSN 0933-2790, pp. 178–199. April 2008. No electronic version available. External information

Abstract

We extend the concept of key encapsulation to the primitives of identity-based and certificateless encryption. We show that the natural combination of ID-KEMs or CL-KEMs with data encapsulation mechanisms results in encryption schemes that are secure in a strong sense. In addition, we give generic constructions of ID-KEMs and CL-KEMs that are provably secure in the random oracle model.

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