TLS/DTLS 1.3 Profiles for the Internet of Things
draft-ietf-uta-tls13-iot-profile-00

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Replaces draft-tschofenig-uta-tls13-profile
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UTA                                                        H. Tschofenig
Internet-Draft                                                T. Fossati
Updates: 7925 (if approved)                                  Arm Limited
Intended status: Standards Track                             5 June 2020
Expires: 7 December 2020

            TLS/DTLS 1.3 Profiles for the Internet of Things
                  draft-ietf-uta-tls13-iot-profile-00

Abstract

   This document is a companion to RFC 7925 and defines TLS/DTLS 1.3
   profiles for Internet of Things devices.  It also updates RFC 7925
   with regards to the X.509 certificate profile.

Discussion Venues

   This note is to be removed before publishing as an RFC.

   Source for this draft and an issue tracker can be found at
   https://github.com/thomas-fossati/draft-tls13-iot
   (https://github.com/thomas-fossati/draft-tls13-iot).

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
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   Drafts is at https://datatracker.ietf.org/drafts/current/.

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   This Internet-Draft will expire on 7 December 2020.

Copyright Notice

   Copyright (c) 2020 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Tschofenig & Fossati     Expires 7 December 2020                [Page 1]
Internet-Draft          TLS/DTLS 1.3 IoT Profiles              June 2020

   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
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   extracted from this document must include Simplified BSD License text
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   provided without warranty as described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Conventions and Terminology . . . . . . . . . . . . . . .   3
   2.  Credential Types  . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Error Handling  . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  Session Resumption  . . . . . . . . . . . . . . . . . . . . .   4
   5.  Compression . . . . . . . . . . . . . . . . . . . . . . . . .   4
   6.  Perfect Forward Secrecy . . . . . . . . . . . . . . . . . . .   4
   7.  Keep-Alive  . . . . . . . . . . . . . . . . . . . . . . . . .   4
   8.  Timeouts  . . . . . . . . . . . . . . . . . . . . . . . . . .   4
   9.  Random Number Generation  . . . . . . . . . . . . . . . . . .   4
   10. Server Name Indication (SNI)  . . . . . . . . . . . . . . . .   5
   11. Maximum Fragment Length Negotiation . . . . . . . . . . . . .   5
   12. Crypto Agility  . . . . . . . . . . . . . . . . . . . . . . .   5
   13. Key Length Recommendations  . . . . . . . . . . . . . . . . .   5
   14. 0-RTT Data  . . . . . . . . . . . . . . . . . . . . . . . . .   5
   15. Certificate Profile . . . . . . . . . . . . . . . . . . . . .   6
     15.1.  Compression  . . . . . . . . . . . . . . . . . . . . . .   6
   16. Security Considerations . . . . . . . . . . . . . . . . . . .   6
   17. IANA Considerations . . . . . . . . . . . . . . . . . . . . .   7
   18. References  . . . . . . . . . . . . . . . . . . . . . . . . .   7
     18.1.  Normative References . . . . . . . . . . . . . . . . . .   7
     18.2.  Informative References . . . . . . . . . . . . . . . . .   8
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   9

1.  Introduction

   This document defines a profile of DTLS 1.3 [I-D.ietf-tls-dtls13] and
   TLS 1.3 [RFC8446] that offers communication security services for IoT
   applications and is reasonably implementable on many constrained
   devices.  Profile thereby means that available configuration options
   and protocol extensions are utilized to best support the IoT
   environment.

   For IoT profiles using TLS/DTLS 1.2 please consult [RFC7925].  This
   document re-uses the communication pattern defined in [RFC7925] and
   makes IoT-domain specific recommendations for version 1.3 (where
   necessary).

Tschofenig & Fossati     Expires 7 December 2020                [Page 2]
Internet-Draft          TLS/DTLS 1.3 IoT Profiles              June 2020

   TLS 1.3 has been re-designed and several previously defined
   extensions are not applicable to the new version of TLS/DTLS anymore.
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