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Efficient Key Encapsulation to Multiple Parties

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Security in Communication Networks (SCN 2004)

Part of the book series: Lecture Notes in Computer Science ((LNSC,volume 3352))

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Abstract

We present the notion of an mKEM, which is a Key Encapsulation Mechanism (KEM) which takes multiple public keys as input. This has applications where one wishes to encrypt a single large document to a set of multiple recipients, as when one sends an encrypted email to more than one person. We present a security definition and show that the naive approach to implementing an mKEM is secure under this definition. We then go on to present a more efficient construction of an mKEM, which is secure in the random oracle model.

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References

  1. Abdalla, M., Bellare, M., Rogaway, P.: DHAES: An encryption scheme based on the Diffie–Hellman problem. Preprint (1999)

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Author information

Authors and Affiliations

  1. Dept. Computer Science, University of Bristol, Merchant Venturer’s Building, Woodland Road, Bristol, BS8 1UB, United Kingdom

    N. P. Smart

Authors
  1. N. P. Smart
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Editor information

Editors and Affiliations

  1. Dipartimento di Informatica e Applicazioni, Università degli Studi di Salerno, Via Ponte Don Melillo, I-84084, Fisciano, (SA), Italy

    Carlo Blundo

  2. Dipartimento di Tecnologie dell’Informazione, Universitá di Milano, Via Bramante 65, P.O. Box, 26013, Crema, (CR), Italy

    Stelvio Cimato

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© 2005 Springer-Verlag Berlin Heidelberg

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Smart, N.P. (2005). Efficient Key Encapsulation to Multiple Parties. In: Blundo, C., Cimato, S. (eds) Security in Communication Networks. SCN 2004. Lecture Notes in Computer Science, vol 3352. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30598-9_15

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  • DOI: https://doi.org/10.1007/978-3-540-30598-9_15

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-24301-4

  • Online ISBN: 978-3-540-30598-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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