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Chosen-Ciphertext Secure Threshold Identity-Based Key Encapsulation Without Random Oracles

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Security and Cryptography for Networks (SCN 2006)

Part of the book series: Lecture Notes in Computer Science ((LNSC,volume 4116))

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Abstract

We describe the first identity-based key encapsulation mechanism with threshold key delegation and decapsulation that is secure in the standard model against chosen-ciphertext (CCA2) attacks. Our scheme is unconditionally consistent and proved secure under the Bilinear Decisional Diffie-Hellman assumption.

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Author information

Authors and Affiliations

  1. Radboud University Nijmegen, The Netherlands

    David Galindo

  2. CWI Amsterdam, The Netherlands

    Eike Kiltz

Authors
  1. David Galindo
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  2. Eike Kiltz
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Editor information

Editors and Affiliations

  1. Dipartimento di Informatica ed Applicazioni, Università di Salerno, via Ponte don Melillo, 84084, Fisciano (SA), Italy

    Roberto De Prisco

  2. Computer Science Department, Google Inc. and Columbia University, 1214 Amsterdam Avenue, NY 10027, New York, USA

    Moti Yung

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Galindo, D., Kiltz, E. (2006). Chosen-Ciphertext Secure Threshold Identity-Based Key Encapsulation Without Random Oracles. In: De Prisco, R., Yung, M. (eds) Security and Cryptography for Networks. SCN 2006. Lecture Notes in Computer Science, vol 4116. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11832072_12

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  • DOI: https://doi.org/10.1007/11832072_12

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-38080-1

  • Online ISBN: 978-3-540-38081-8

  • eBook Packages: Computer ScienceComputer Science (R0)

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