Specifying Kerberos 5 cross-realm authentication

  title={Specifying Kerberos 5 cross-realm authentication},
  author={Iliano Cervesato and Aaron D. Jaggard and Andre Scedrov and Christopher Walstad},
Cross-realm authentication is a useful and interesting component of Kerberos aimed at enabling secure access to services astride organizational boundaries. We present a formalization of Kerberos 5 cross-realm authentication in MSR, a specification language based on multiset rewriting. We also adapt the Dolev-Yao intruder model to the cross-realm setting and prove an important property for a critical field in a cross-realm ticket. Finally, we document several failures of authentication and… CONTINUE READING


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