International Association for Cryptologic Research

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Certificate-Based Encryption Without Random Oracles

Authors:
Paz Morillo
Carla Ràfols
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URL: http://eprint.iacr.org/2006/012
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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.
BibTeX
@misc{eprint-2006-21506,
  title={Certificate-Based Encryption Without Random Oracles},
  booktitle={IACR Eprint archive},
  keywords={public-key cryptography, identity-based encryption, certificate-based encryption},
  url={http://eprint.iacr.org/2006/012},
  note={ crafols@ma4.upc.edu 13292 received 10 Jan 2006, last revised 24 May 2006},
  author={Paz Morillo and Carla Ràfols},
  year=2006
}