Hypertext Transfer Protocol (HTTP) Digest Authentication Using GSM 2G Authentication and Key Agreement (AKA)
draft-morand-http-digest-2g-aka-04

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Network Working Group                                          L. Morand
Internet-Draft                                               Orange Labs
Intended status: Informational                          October 03, 2013
Expires: April 06, 2014

 Hypertext Transfer Protocol (HTTP) Digest Authentication Using GSM 2G
                 Authentication and Key Agreement (AKA)
                   draft-morand-http-digest-2g-aka-04

Abstract

   This document specifies a one-time password generation mechanism for
   Hypertext Transfer Protocol (HTTP) Digest access authentication based
   on Global System for Mobile Communications (GSM) authentication and
   key generation functions A3 and A8, also known as GSM AKA or 2G AKA.
   The HTTP Authentication Framework includes two authentication
   schemes: Basic and Digest.  Both schemes employ a shared secret based
   mechanism for access authentication.  The GSM AKA mechanism performs
   user authentication and session key distribution in GSM and Universal
   Mobile Telecommunications System (UMTS) networks.  GSM AKA is a
   challenge-response based mechanism that uses symmetric cryptography.

Status of This Memo

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   This Internet-Draft will expire on April 06, 2014.

Copyright Notice

   Copyright (c) 2013 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

Morand                   Expires April 06, 2014                 [Page 1]
Internet-Draft             HTTP Digest 2G AKA               October 2013

   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
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Table of Contents

   1.  Introduction and Motivations  . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Acronyms  . . . . . . . . . . . . . . . . . . . . . . . . . .   3
   4.  GSM 2G AKA Mechanism Overview . . . . . . . . . . . . . . . .   4
   5.  Example of Digest 2G AKA operations . . . . . . . . . . . . .   6
   6.  Specification of Digest 2G AKA  . . . . . . . . . . . . . . .   8
     6.1.  Algorithm Directive . . . . . . . . . . . . . . . . . . .   8
     6.2.  Creating a Challenge  . . . . . . . . . . . . . . . . . .   9
     6.3.  Client Authentication . . . . . . . . . . . . . . . . . .   9
     6.4.  Server Authentication . . . . . . . . . . . . . . . . . .   9
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
     8.1.  Authentication of Clients using Digest 2G AKA . . . . . .  10
     8.2.  Limited Use of Nonce Values . . . . . . . . . . . . . . .  10
     8.3.  Multiple Authentication Schemes and Algorithms  . . . . .  11
     8.4.  Online Dictionary Attacks . . . . . . . . . . . . . . . .  11
     8.5.  Session Protection  . . . . . . . . . . . . . . . . . . .  11
     8.6.  Replay Protection . . . . . . . . . . . . . . . . . . . .  12
     8.7.  Mutual Authentication . . . . . . . . . . . . . . . . . .  12
     8.8.  Flooding the Authentication Centre  . . . . . . . . . . .  12
     8.9.  AKA Security  . . . . . . . . . . . . . . . . . . . . . .  13
     8.10. TLS Profile . . . . . . . . . . . . . . . . . . . . . . .  13
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  14
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  14
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  14
     10.2.  Informative References . . . . . . . . . . . . . . . . .  14
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  15

1.  Introduction and Motivations

   The Hypertext Transfer Protocol (HTTP) Authentication Framework,
   described in [RFC2617], includes two authentication schemes: Basic
   and Digest.  Both schemes employ a shared secret based mechanism for
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