LURK Extension version 1 for (D)TLS 1.3 Authentication
draft-mglt-lurk-tls13-02

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LURK                                                          D. Migault
Internet-Draft                                                  Ericsson
Intended status: Standards Track                          April 24, 2020
Expires: October 26, 2020

         LURK Extension version 1 for (D)TLS 1.3 Authentication
                        draft-mglt-lurk-tls13-02

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.

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   This Internet-Draft will expire on October 26, 2020.

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

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Migault                 Expires October 26, 2020                [Page 1]
Internet-Draft                LURK/TLS 1.3                    April 2020

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  LURK Header . . . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  Generic structures  . . . . . . . . . . . . . . . . . . . . .   5
     4.1.  key_request . . . . . . . . . . . . . . . . . . . . . . .   6
     4.2.  secrets . . . . . . . . . . . . . . . . . . . . . . . . .   7
     4.3.  handshake_context . . . . . . . . . . . . . . . . . . . .   8
     4.4.  Secret Sub Exchange . . . . . . . . . . . . . . . . . . .   9
       4.4.1.  Ephemeral Extension . . . . . . . . . . . . . . . . .  10
       4.4.2.  PSK_id Extension  . . . . . . . . . . . . . . . . . .  12
       4.4.3.  Freshness Extension . . . . . . . . . . . . . . . . .  13
       4.4.4.  Session ID Extension  . . . . . . . . . . . . . . . .  15
     4.5.  Signing Sub-Exchange  . . . . . . . . . . . . . . . . . .  17
   5.  LURK exchange on the TLS server . . . . . . . . . . . . . . .  18
     5.1.  s_init_early_secret . . . . . . . . . . . . . . . . . . .  19
     5.2.  s_init_cert_verify  . . . . . . . . . . . . . . . . . . .  20
     5.3.  s_hand_and_app_secret . . . . . . . . . . . . . . . . . .  20
     5.4.  s_new_tickets . . . . . . . . . . . . . . . . . . . . . .  21
   6.  LURK exchange on the TLS client . . . . . . . . . . . . . . .  22
     6.1.  c_binder_key  . . . . . . . . . . . . . . . . . . . . . .  22
     6.2.  c_init_early_secret . . . . . . . . . . . . . . . . . . .  23
     6.3.  c_hand_secret . . . . . . . . . . . . . . . . . . . . . .  23
     6.4.  c_init_hand_secret  . . . . . . . . . . . . . . . . . . .  23
     6.5.  c_app_secret  . . . . . . . . . . . . . . . . . . . . . .  24
     6.6.  c_cert_verify . . . . . . . . . . . . . . . . . . . . . .  24
     6.7.  c_register_tickets  . . . . . . . . . . . . . . . . . . .  25
     6.8.  c_post_hand . . . . . . . . . . . . . . . . . . . . . . .  26
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  26
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  28
   9.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  28
   10. Annex . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28
     10.1.  LURK state diagrams on TLS client  . . . . . . . . . . .  28
       10.1.1.  LURK client  . . . . . . . . . . . . . . . . . . . .  30
       10.1.2.  Cryptographic Service  . . . . . . . . . . . . . . .  32
     10.2.  LURK state diagrams on TLS server  . . . . . . . . . . .  33
       10.2.1.  LURK client  . . . . . . . . . . . . . . . . . . . .  33
       10.2.2.  Cryptographic Service  . . . . . . . . . . . . . . .  34
     10.3.  TLS handshakes with Cryptographic Service  . . . . . . .  35
     10.4.  TLS 1.3 ECDHE Full Handshake . . . . . . . . . . . . . .  37
       10.4.1.  TLS Client: ClientHello  . . . . . . . . . . . . . .  37