Secure Communication in a Distributed System Using Identity Based Encryption

  • Authors:
  • Tyron Stading

  • Affiliations:
  • -

  • Venue:
  • CCGRID '03 Proceedings of the 3st International Symposium on Cluster Computing and the Grid
  • Year:
  • 2003

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Abstract

Distributed systems require the ability to communicatesecurely with other computers in the network.To accomplish this, most systems use key managementschemes that require prior knowledge of publickeys associated with critical nodes. In large, dynamic,anonymous systems, this key sharing method is not viable.Scribe is a method for efficient key managementinside a distributed system that uses identity based encryption(IBE). Public resources in a network are addressableby unique identifiers. Using this identifier asa public key, other entities are able to securely accessthat resource. We evaluate key distribution schemesinside Scribe and provide recommendations for practicalimplementation to allow for secure, efficient, authenticatedcommunication inside a distributed system.