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Revocable Identity-Based Encryption from Lattices

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Information Security and Privacy (ACISP 2012)

Part of the book series: Lecture Notes in Computer Science ((LNSC,volume 7372))

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Abstract

In this paper, we present an identity-based encryption (IBE) scheme from lattices with efficient key revocation. We adopt multiple trapdoors from the Agrawal-Boneh-Boyen and Gentry-Peikerty-Vaikuntanathan lattice IBE schemes to realize key revocation, which in turn, makes use of binary-tree data structure. Using our scheme, key update requires logarithmic complexity in the maximal number of users and linear in the number of revoked users for the relevant key authority. We prove that our scheme is selective secure in the standard model and under the LWE assumption, which is as hard as the worst-case approximating short vectors on arbitrary lattices.

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Author information

Authors and Affiliations

  1. Division of Mathematical Sciences, School of Physical & Mathematical Sciences, Nanyang Technological University, Singapore

    Jie Chen, Hoon Wei Lim, San Ling, Huaxiong Wang & Khoa Nguyen

Authors
  1. Jie Chen
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  2. Hoon Wei Lim
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  3. San Ling
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  4. Huaxiong Wang
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  5. Khoa Nguyen
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Editor information

Editors and Affiliations

  1. School of Computer Science and Software Engineering, University of Wollongong, Northfields Avenue, NSW, 2522, Wollongong, Australia

    Willy Susilo

  2. School of Computer Science and Software Engineering, University of Wollongong, Northfields Avenue, 2522, Wollongong, NSW, Australia

    Yi Mu

  3. School of Computer Science and Software Engineering, University of Wollongong, Northfields Avenue, 2522, Wollongong, NSW, Australia

    Jennifer Seberry

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Chen, J., Lim, H.W., Ling, S., Wang, H., Nguyen, K. (2012). Revocable Identity-Based Encryption from Lattices. In: Susilo, W., Mu, Y., Seberry, J. (eds) Information Security and Privacy. ACISP 2012. Lecture Notes in Computer Science, vol 7372. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31448-3_29

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  • DOI: https://doi.org/10.1007/978-3-642-31448-3_29

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-31447-6

  • Online ISBN: 978-3-642-31448-3

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