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International Conference on Hybrid Information Technology

ICHIT 2011: Convergence and Hybrid Information Technology pp 472–481Cite as

Improved Security Proofs of Delerablée’s Identity-Based Broadcast Encryption Scheme

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Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 6935))

Abstract

Delerablée proposed the first identity-based broadcast encryption scheme with constant size ciphertexts and private keys in [7]. But, the scheme was proved to be secure in the selective identity security model. We prove the scheme is secure in the full security model under an interactive assumption.

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References

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Author information

Authors and Affiliations

  1. Department of Mathematical Sciences, Korea Advanced Institute of Science and Technology, Korea

    Sun-Mi Park

  2. Department of Computer and Information Communications Engineering, Hongik University, Korea

    Seong-Oun Hwang

Authors
  1. Sun-Mi Park
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  2. Seong-Oun Hwang
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Editor information

Editors and Affiliations

  1. Computer Engineering Department, Hannam University, 70 Hannamro, Daedeuk-gu, Daejeon, Korea

    Geuk Lee

  2. QinetiQ Company Fellow, Howard Science Limited, 24 Sunrise, WR14 2NJ, Malvern, UK

    Daniel Howard

  3. University of Warsaw, 02-097, Warsaw, Poland

    Dominik Ślęzak

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© 2011 Springer-Verlag Berlin Heidelberg

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Park, SM., Hwang, SO. (2011). Improved Security Proofs of Delerablée’s Identity-Based Broadcast Encryption Scheme. In: Lee, G., Howard, D., Ślęzak, D. (eds) Convergence and Hybrid Information Technology. ICHIT 2011. Lecture Notes in Computer Science, vol 6935. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-24082-9_58

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  • DOI: https://doi.org/10.1007/978-3-642-24082-9_58

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-24081-2

  • Online ISBN: 978-3-642-24082-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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