Efficient lattice (H)IBE in the standard model

Agrawal, Shweta, Boneh, Dan, & Boyen, Xavier (2010) Efficient lattice (H)IBE in the standard model. Lecture Notes in Computer Science, 6110, pp. 553-572.

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We construct an efficient identity based encryption system based on the standard learning with errors (LWE) problem. Our security proof holds in the standard model. The key step in the construction is a family of lattices for which there are two distinct trapdoors for finding short vectors. One trapdoor enables the real system to generate short vectors in all lattices in the family. The other trapdoor enables the simulator to generate short vectors for all lattices in the family except for one. We extend this basic technique to an adaptively-secure IBE and a Hierarchical IBE.

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126 citations in Web of Science®

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126 since deposited on 26 Mar 2014
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ID Code: 69177
Item Type: Journal Article
Refereed: Yes
Additional Information: Proceedings of the 29th Annual International Conference on the Theory and Applications of Cryptographic Techniques, French Riviera, May 30 – June 3, 2010.
Keywords: Data encryption, Systems and data security
DOI: 10.1007/978-3-642-13190-5_28
ISSN: 0302-9743
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2010 International Association for Cryptologic Research
Deposited On: 26 Mar 2014 01:08
Last Modified: 24 Oct 2014 22:32

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