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SPAKE Pre-Authentication
draft-ietf-kitten-krb-spake-preauth-05

The information below is for an old version of the document.
Document Type
This is an older version of an Internet-Draft whose latest revision state is "Active".
Expired & archived
Authors Nathaniel McCallum , Simo Sorce , Robbie Harwood , Greg Hudson
Last updated 2018-08-14 (Latest revision 2018-02-10)
Replaces draft-mccallum-kitten-krb-spake-preauth
RFC stream Internet Engineering Task Force (IETF)
Formats
Reviews
Additional resources Mailing list discussion
Stream WG state WG Document
Associated WG milestone
Mar 2022
Submit "SPAKE Pre-Authentication" document to IESG
Document shepherd (None)
IESG IESG state Expired
Consensus boilerplate Unknown
Telechat date (None)
Responsible AD (None)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:

Abstract

This document defines a new pre-authentication mechanism for the Kerberos protocol that uses a password authenticated key exchange. This document has three goals. First, increase the security of Kerberos pre-authentication exchanges by making offline brute-force attacks infeasible. Second, enable the use of second factor authentication without relying on FAST. This is achieved using the existing trust relationship established by the shared first factor. Third, make Kerberos pre-authentication more resilient against time synchronization errors by removing the need to transfer an encrypted timestamp from the client.

Authors

Nathaniel McCallum
Simo Sorce
Robbie Harwood
Greg Hudson

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)