Hybrid signcryption schemes with insider security

  • Authors:
  • Alexander W. Dent

  • Affiliations:
  • Royal Holloway, University of London, Egham, Surrey, U.K

  • Venue:
  • ACISP'05 Proceedings of the 10th Australasian conference on Information Security and Privacy
  • Year:
  • 2005

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Abstract

The question of constructing a hybrid signcryption scheme with outside security was considered by Dent [7]. That paper also demonstrated that the basic hybrid construction formalised by Cramer and Shoup [5,9] is incapable of producing a signcryption scheme with insider security. This paper provides a paradigm for constructing signcryption schemes with insider security based on the ideas of hybrid cryptography.