Identity-Based Encryption from Lattices in the Standard Model

By Shweta Agrawal and Xavier Boyen.

Manuscript, July 2009.


We construct an Identity-Based Encryption (IBE) system without random oracles from hard problems on random integer lattices. The system is anonymous, with pseudo-random ciphertexts.


- preliminary paper (PS) (PDF)


  author = {Shweta Agrawal and Xavier Boyen},
  title = {Identity-Based Encryption from Lattices in the Standard Model},
  howpublished = {Manuscript},
  month = {July},
  year = {2009},
  note = {Available at \url{}}

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