EAP Re-authentication Protocol Extensions for Authenticated Anticipatory Keying (ERP/AAK)
draft-ietf-hokey-erp-aak-10
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Active Internet-Draft (hokey WG)
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2012-03-05
(latest revision 2012-02-17)
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draft-wang-hokey-erp-aak
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IETF
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Proposed Standard
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Stephen Farrell
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hokey-chairs@tools.ietf.org, draft-ietf-hokey-erp-aak@tools.ietf.org
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IANA |
Network Working Group Z. Cao
Internet-Draft H. Deng
Intended status: Standards Track China Mobile
Expires: August 20, 2012 Q. Wu
Huawei
G. Zorn, Ed.
Network Zen
February 17, 2012
EAP Re-authentication Protocol Extensions for Authenticated Anticipatory
Keying (ERP/AAK)
draft-ietf-hokey-erp-aak-10
Abstract
The Extensible Authentication Protocol (EAP) is a generic framework
supporting multiple types of authentication methods.
The EAP Re-authentication Protocol (ERP) specifies extensions to EAP
and the EAP keying hierarchy to support an EAP method-independent
protocol for efficient re-authentication between the peer and an EAP
re-authentication server through any authenticator.
Authenticated Anticipatory Keying (AAK) is a method by which
cryptographic keying material may be established upon one or more
candidate attachment points (CAPs) prior to handover. AAK uses the
AAA infrastructure for key transport.
This document specifies the extensions necessary to enable AAK
support in ERP.
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
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on August 20, 2012.
Cao, et al. Expires August 20, 2012 [Page 1]
Internet-Draft ERP/AAK February 2012
Copyright Notice
Copyright (c) 2012 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
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the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1. Standards Language . . . . . . . . . . . . . . . . . . . . 3
2.2. Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. ERP/AAK Description . . . . . . . . . . . . . . . . . . . . . 4
4. ERP/AAK Key Hierarchy . . . . . . . . . . . . . . . . . . . . 7
4.1. Derivation of the pRK and pMSK . . . . . . . . . . . . . . 8
5. Packet and TLV Extension . . . . . . . . . . . . . . . . . . . 9
5.1. EAP-Initiate/Re-auth-Start Packet and TLV Extension . . . 9
5.2. EAP-Initiate/Re-auth Packet and TLV Extension . . . . . . 10
5.3. EAP-Finish/Re-auth packet and TLV extension . . . . . . . 12
5.4. TV and TLV Attributes . . . . . . . . . . . . . . . . . . 14
6. Lower Layer Considerations . . . . . . . . . . . . . . . . . . 15
7. AAA Transport Considerations . . . . . . . . . . . . . . . . . 15
8. Security Considerations . . . . . . . . . . . . . . . . . . . 15
9. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 16
10. Acknowledgement . . . . . . . . . . . . . . . . . . . . . . . 18
11. References . . . . . . . . . . . . . . . . . . . . . . . . . . 18
11.1. Normative References . . . . . . . . . . . . . . . . . . . 18
11.2. Informative References . . . . . . . . . . . . . . . . . . 18
Cao, et al. Expires August 20, 2012 [Page 2]
Internet-Draft ERP/AAK February 2012
1. Introduction
The Extensible Authentication Protocol (EAP) [RFC3748] is a generic
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