Improved Efficiency for CCA-Secure Cryptosystems Built Using Identity-Based Encryption

Dan Boneh; Jonathan Katz

Paper 2004/261 Original: eprint.iacr.org/2004/261 ↗

Improved Efficiency for CCA-Secure Cryptosystems Built Using Identity-Based Encryption

Dan Boneh

Jonathan Katz

Abstract

Recently, Canetti, Halevi, and Katz showed a general method for constructing CCA-secure encryption schemes from identity-based encryption schemes in the standard model. We improve the efficiency of their construction, and show two specific instantiations of our resulting scheme which offer the most efficient encryption (and, in one case, key generation) of any CCA-secure encryption scheme to date.

Metadata

Available format(s): PDF
Category: Public-key cryptography
Publication info: Preprint.
History: 2004-10-19: last updated; 2004-10-14: published
Short URL: https://ia.cr/2004/261
License: https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2004/261,
      author = {Dan Boneh and Jonathan Katz},
      title = {Improved Efficiency for CCA-Secure Cryptosystems Built Using Identity-Based Encryption},
      howpublished = {Cryptology {ePrint} Archive, Paper 2004/261},
      year = {2004},
      url = {https://eprint.iacr.org/2004/261}
}