Using EAP-TLS with TLS 1.3
draft-ietf-emu-eap-tls13-09
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2020-05-17
(latest revision 2020-03-09)
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draft-mattsson-eap-tls13
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Network Working Group J. Mattsson
Internet-Draft M. Sethi
Updates: 5216 (if approved) Ericsson
Intended status: Standards Track March 9, 2020
Expires: September 10, 2020
Using EAP-TLS with TLS 1.3
draft-ietf-emu-eap-tls13-09
Abstract
This document specifies the use of EAP-TLS with TLS 1.3 while
remaining backwards compatible with existing implementations of EAP-
TLS. TLS 1.3 provides significantly improved security, privacy, and
reduced latency when compared to earlier versions of TLS. EAP-TLS
with TLS 1.3 further improves security and privacy by mandating use
of privacy and revocation checking. This document updates RFC 5216.
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 https://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 September 10, 2020.
Copyright Notice
Copyright (c) 2020 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
(https://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
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
Mattsson & Sethi Expires September 10, 2020 [Page 1]
Internet-Draft EAP-TLS with TLS 1.3 March 2020
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Requirements and Terminology . . . . . . . . . . . . . . 3
2. Protocol Overview . . . . . . . . . . . . . . . . . . . . . . 4
2.1. Overview of the EAP-TLS Conversation . . . . . . . . . . 4
2.1.1. Identity . . . . . . . . . . . . . . . . . . . . . . 4
2.1.2. Mutual Authentication . . . . . . . . . . . . . . . . 4
2.1.3. Termination . . . . . . . . . . . . . . . . . . . . . 5
2.1.4. No Peer Authentication . . . . . . . . . . . . . . . 8
2.1.5. Hello Retry Request . . . . . . . . . . . . . . . . . 9
2.1.6. Ticket Establishment . . . . . . . . . . . . . . . . 10
2.1.7. Resumption . . . . . . . . . . . . . . . . . . . . . 11
2.1.8. Privacy . . . . . . . . . . . . . . . . . . . . . . . 13
2.1.9. Fragmentation . . . . . . . . . . . . . . . . . . . . 13
2.2. Identity Verification . . . . . . . . . . . . . . . . . . 14
2.3. Key Hierarchy . . . . . . . . . . . . . . . . . . . . . . 15
2.4. Parameter Negotiation and Compliance Requirements . . . . 16
2.5. EAP State Machines . . . . . . . . . . . . . . . . . . . 16
3. Detailed Description of the EAP-TLS Protocol . . . . . . . . 17
4. IANA considerations . . . . . . . . . . . . . . . . . . . . . 17
5. Security Considerations . . . . . . . . . . . . . . . . . . . 18
5.1. Security Claims . . . . . . . . . . . . . . . . . . . . . 18
5.2. Peer and Server Identities . . . . . . . . . . . . . . . 18
5.3. Certificate Validation . . . . . . . . . . . . . . . . . 19
5.4. Certificate Revocation . . . . . . . . . . . . . . . . . 19
5.5. Packet Modification Attacks . . . . . . . . . . . . . . . 19
5.6. Authorization . . . . . . . . . . . . . . . . . . . . . . 19
5.7. Resumption . . . . . . . . . . . . . . . . . . . . . . . 20
5.8. Privacy Considerations . . . . . . . . . . . . . . . . . 21
5.9. Pervasive Monitoring . . . . . . . . . . . . . . . . . . 23
5.10. Discovered Vulnerabilities . . . . . . . . . . . . . . . 23
6. References . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.1. Normative References . . . . . . . . . . . . . . . . . . 23
6.2. Informative references . . . . . . . . . . . . . . . . . 25
Appendix A. Updated references . . . . . . . . . . . . . . . . . 28
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 28
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