A Nonce-Based Protocol For Multiple Authentications

  title={A Nonce-Based Protocol For Multiple Authentications},
  author={A. Kehne and J{\"u}rgen Sch{\"o}nw{\"a}lder and Horst Langend{\"o}rfer},
  journal={Operating Systems Review},
The Kerberos authentication service, a part of MIT's Project Athena, is based on the Needham and Schroeder protocol. Timestamps depending on reliable synchronized clocks are used to guarantee the freshness of messages. As an improvement, we present a nonce-based protocol offering the same features as Kerberos. We generate a ticket in an initial message exchange which includes a generalized timestamp. Checking this generalized timestamp is left to the principal who created it. Consequently we do… CONTINUE READING


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