Secret Handshakes from Pairing-Based Key Agreements

  • Authors:
  • Dirk Balfanz;Glenn Durfee;Narendar Shankar;Diana Smetters;Jessica Staddon;Hao-Chi Wong

  • Affiliations:
  • -;-;-;-;-;-

  • Venue:
  • SP '03 Proceedings of the 2003 IEEE Symposium on Security and Privacy
  • Year:
  • 2003

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Abstract

Consider a CIA agent who wants to authenticate herselfto a server, but does not want to reveal her CIA credentialsunless the server is a genuine CIA outlet. Consider also thatthe CIA server does not want to reveal its CIA credentialsto anyone but CIA agents - not even to other CIA servers.In this paper we first show how pairing-based cryptographycan be used to implement such secret handshakes.We then propose a formal definition for secure secret handshakes,and prove that our pairing-based schemes are secureunder the Bilinear Diffie-Hellman assumption. Ourprotocols support role-based group membership authentication,traceability, indistinguishability to eavesdroppers,unbounded collusion resistance, and forward repudiability.Our secret-handshake scheme can be implemented as aTLS cipher suite. We report on the performance of our preliminaryJava implementation.