[Resource Topic] 2006/012: Certificate-Based Encryption Without Random Oracles

Welcome to the resource topic for 2006/012

Title:
Certificate-Based Encryption Without Random Oracles

Authors: Paz Morillo, Carla Ràfols

Abstract:

We present a certificate-based encryption scheme which is fully secure in the standard model. Our
scheme is based on the identity-based encryption scheme of Waters \cite{W05}. Although some
generic constructions from IBE to CBE has been previously proposed, they use the Random Oracle
heuristic or provide less practical schemes than ours. Finally, we point out that one of
the existing generic constructions going from IBE to CBE is flawed.

ePrint: https://eprint.iacr.org/2006/012

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