LURK Extension version 1 for (D)TLS 1.3 Authentication
draft-mglt-lurk-tls13-01

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LURK                                                          D. Migault
Internet-Draft                                                  Ericsson
Intended status: Standards Track                           July 22, 2019
Expires: January 23, 2020

         LURK Extension version 1 for (D)TLS 1.3 Authentication
                        draft-mglt-lurk-tls13-01

Abstract

   This document describes the LURK Extension 'tls13' which enables
   interactions between a LURK Client and a LURK Server in a context of
   authentication with (D)TLS 1.3.

Status of This Memo

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

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   This Internet-Draft will expire on January 23, 2020.

Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Migault                 Expires January 23, 2020                [Page 1]
Internet-Draft                LURK/TLS 1.3                     July 2019

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  LURK Header . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Generic structures  . . . . . . . . . . . . . . . . . . . . .   5
     3.1.  key_request . . . . . . . . . . . . . . . . . . . . . . .   6
     3.2.  secrets . . . . . . . . . . . . . . . . . . . . . . . . .   7
     3.3.  handshake_context . . . . . . . . . . . . . . . . . . . .   8
     3.4.  Secret Sub Exchange . . . . . . . . . . . . . . . . . . .   9
       3.4.1.  Ephemeral Extension . . . . . . . . . . . . . . . . .  10
       3.4.2.  PSK_id Extension  . . . . . . . . . . . . . . . . . .  12
       3.4.3.  Freshness Extension . . . . . . . . . . . . . . . . .  13
     3.5.  Context Agreement Sub-Exchange  . . . . . . . . . . . . .  14
     3.6.  Signing Sub-Exchange  . . . . . . . . . . . . . . . . . .  16
   4.  LURK exchange on the TLS server . . . . . . . . . . . . . . .  18
     4.1.  early_secret  . . . . . . . . . . . . . . . . . . . . . .  18
     4.2.  init_certificate_verify . . . . . . . . . . . . . . . . .  19
     4.3.  handshake_and_app_secret  . . . . . . . . . . . . . . . .  21
     4.4.  new_session_tickets . . . . . . . . . . . . . . . . . . .  22
   5.  LURK exchange on the TLS client . . . . . . . . . . . . . . .  23
     5.1.  binder_key  . . . . . . . . . . . . . . . . . . . . . . .  23
     5.2.  early_secret  . . . . . . . . . . . . . . . . . . . . . .  23
     5.3.  handshake_secret  . . . . . . . . . . . . . . . . . . . .  23
     5.4.  init_handshake_secret . . . . . . . . . . . . . . . . . .  23
     5.5.  app_secret  . . . . . . . . . . . . . . . . . . . . . . .  24
     5.6.  certificate_verify  . . . . . . . . . . . . . . . . . . .  25
     5.7.  register_session_tickets  . . . . . . . . . . . . . . . .  25
     5.8.  post_handshake  . . . . . . . . . . . . . . . . . . . . .  26
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  27
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  28
   8.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  28
   9.  Annex . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28
     9.1.  LURK state diagrams on TLS on TLS client  . . . . . . . .  28
       9.1.1.  LURK client . . . . . . . . . . . . . . . . . . . . .  30
       9.1.2.  Cryptographic Service . . . . . . . . . . . . . . . .  32
     9.2.  LURK state diagrams on TLS on TLS server  . . . . . . . .  33
       9.2.1.  LURK client . . . . . . . . . . . . . . . . . . . . .  33
       9.2.2.  Cryptographic Service . . . . . . . . . . . . . . . .  34
     9.3.  TLS handshakes with Cryptographic Service . . . . . . . .  35
     9.4.  TLS 1.3 ECDHE Full Handshake  . . . . . . . . . . . . . .  37
       9.4.1.  TLS Client: ClientHello . . . . . . . . . . . . . . .  37
       9.4.2.  TLS Server: ServerHello . . . . . . . . . . . . . . .  38