Credentials Provisioning and Management via EAP (EAP-CREDS)
draft-pala-eap-creds-01

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Last updated 2019-06-01 (latest revision 2019-02-07)
Replaces draft-pala-eap-cprom
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Network Working Group                                            M. Pala
Internet-Draft                                                 CableLabs
Intended status: Standards Track                            June 1, 2019
Expires: December 3, 2019

      Credentials Provisioning and Management via EAP (EAP-CREDS)
                        draft-pala-eap-creds-01

Abstract

   With the increase number of devices, protocols, and applications that
   rely on strong credentials (e.g., digital certificates, keys, or
   tokens) for network access, the need for a standardized credentials
   provisioning and management framework is paramount.  The .1x
   architecture allows for entities (e.g., devices, applications, etc.)
   to authenticate to the network by providing a communication channel
   where different methods can be used to exchange different types of
   credentials.  However, the need for managing these credentials (i.e.,
   provisioning and renewal) is still a hard problem to solve.

   This specifications define how to support the provisioning and
   management of authentication credentials that can be exploited in
   different environments (e.g., Wired, WiFi, cellular, etc.) to users
   and/or devices by using EAP together with standard provisioning
   protocols.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on December 3, 2019.

Pala                    Expires December 3, 2019                [Page 1]
Internet-Draft                  EAP-CREDS                      June 2019

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Table of Contents

   1.  Requirements notation . . . . . . . . . . . . . . . . . . . .   3
   2.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Overview of existing solutions  . . . . . . . . . . . . . . .   4
   4.  Scope Statement . . . . . . . . . . . . . . . . . . . . . . .   4
   5.  EAP-CREDS Protocol  . . . . . . . . . . . . . . . . . . . . .   5
     5.1.  EAP-CREDS as tunneled mechanism only  . . . . . . . . . .   5
     5.2.  Message Flow  . . . . . . . . . . . . . . . . . . . . . .   5
     5.3.  Phase One: Initialization . . . . . . . . . . . . . . . .   6
     5.4.  Phase Two: Provisioning . . . . . . . . . . . . . . . . .   7
     5.5.  Phase Three: Validation . . . . . . . . . . . . . . . . .   8
   6.  EAP-CREDS Message Format  . . . . . . . . . . . . . . . . . .  10
     6.1.  Message Header  . . . . . . . . . . . . . . . . . . . . .  10
     6.2.  Message Payload . . . . . . . . . . . . . . . . . . . . .  11
       6.2.1.  General TLV format  . . . . . . . . . . . . . . . . .  11
       6.2.2.  EAP-CREDS defined TLVs  . . . . . . . . . . . . . . .  12
         6.2.2.1.  The Protocol TLV  . . . . . . . . . . . . . . . .  13
         6.2.2.2.  The Profiles TLV  . . . . . . . . . . . . . . . .  13
         6.2.2.3.  The CredInfo TLV  . . . . . . . . . . . . . . . .  13
         6.2.2.4.  The AuthToken TLV . . . . . . . . . . . . . . . .  14
         6.2.2.5.  The Challenge TLV . . . . . . . . . . . . . . . .  14
         6.2.2.6.  The ChallengeResponse TLV . . . . . . . . . . . .  14
         6.2.2.7.  The Error TLV . . . . . . . . . . . . . . . . . .  14
   7.  EAP-CREDS Messages  . . . . . . . . . . . . . . . . . . . . .  14
     7.1.  The EAP-CREDS-Init Message  . . . . . . . . . . . . . . .  14
       7.1.1.  Version TLV usage . . . . . . . . . . . . . . . . . .  14
       7.1.2.  The ProvProto TLV usage . . . . . . . . . . . . . . .  15
       7.1.3.  The CredsInfo TLV usage . . . . . . . . . . . . . . .  15
       7.1.4.  The IdProvider TLV  . . . . . . . . . . . . . . . . .  15
     7.2.  The EAP-CREDS-ProtoFlow Message . . . . . . . . . . . . .  16
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