Public Key Cryptography for Initial Authentication in Kerberos (PKINIT) Freshness Extension

The information below is for an old version of the document
Document Type Expired Internet-Draft (kitten WG)
Authors Michiko Short  , Seth Moore  , Paul Miller 
Last updated 2015-09-07 (latest revision 2015-03-06)
Stream Internet Engineering Task Force (IETF)
Expired & archived
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Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes how to further extend the Public Key Cryptography for Initial Authentication in Kerberos (PKINIT) extension [RFC4556] to exchange an opaque data blob which a KDC can validate to ensure that the client is currently in possession of the private key during a PKInit AS exchange.


Michiko Short (
Seth Moore (
Paul Miller (

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