Multi-channel key agreement using encrypted public key exchange

  • Authors:
  • Bruce Christianson;Jun Li

  • Affiliations:
  • School of Computer Science, University of Hertfordshire, Hatfield, England;School of Computer Science, University of Hertfordshire, Hatfield, England

  • Venue:
  • Proceedings of the 15th international conference on Security protocols
  • Year:
  • 2007

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Abstract

We present a new protocol for cryptographic key agreement between devices which have had no previous association, and which does not rely upon mutual access to a pre-existing key infrastructure. This protocol is suitable for use in mobile ad-hoc computing environments, where the only channels with high data origin authenticity have severely limited bandwidth. The protocol illustrates one use of an heretical design principle: allowing the "same" protocol to provide different security services in different contexts.