Adobe's RTMFP Profile for Flash Communication
RFC 7425

Document Type RFC - Informational (December 2014; No errata)
Last updated 2014-12-23
Stream ISE
Formats plain text pdf html bibtex
IETF conflict review conflict-review-thornburgh-rtmfp-flash
Stream ISE state Published RFC
Consensus Boilerplate Unknown
Document shepherd Nevil Brownlee
Shepherd write-up Show (last changed 2014-09-22)
IESG IESG state RFC 7425 (Informational)
Telechat date
Responsible AD (None)
Send notices to (None)
IANA IANA review state IANA OK - Actions Needed
IANA action state RFC-Ed-Ack
Independent Submission                                     M. Thornburgh
Request for Comments: 7425                                         Adobe
Category: Informational                                    December 2014
ISSN: 2070-1721

             Adobe's RTMFP Profile for Flash Communication

Abstract

   This memo describes how to use Adobe's Secure Real-Time Media Flow
   Protocol (RTMFP) to transport the video, audio, and data messages of
   Adobe Flash platform communications.  Aspects of this application
   profile include cryptographic methods and data formats, flow metadata
   formats, and protocol details for client-server and peer-to-peer
   communication.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This is a contribution to the RFC Series, independently of any other
   RFC stream.  The RFC Editor has chosen to publish this document at
   its discretion and makes no statement about its value for
   implementation or deployment.  Documents approved for publication by
   the RFC Editor are not a candidate for any level of Internet
   Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc7425.

Copyright Notice

   Copyright (c) 2014 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
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.

   This document may not be modified, and derivative works of it may not
   be created, except to format it for publication as an RFC or to
   translate it into languages other than English.

Thornburgh                    Informational                     [Page 1]
RFC 7425           Adobe RTMFP for Flash Communication     December 2014

Table of Contents

   1. Introduction ....................................................3
   2. Terminology .....................................................4
   3. Common Syntax Elements ..........................................4
   4. Cryptography Profile ............................................5
      4.1. Default Session Key ........................................5
      4.2. Diffie-Hellman Groups ......................................6
      4.3. Certificates ...............................................6
           4.3.1. Format ..............................................6
           4.3.2. Fingerprint .........................................7
           4.3.3. Options .............................................7
                  4.3.3.1. Hostname ...................................8
                  4.3.3.2. Accepts Ancillary Data .....................8
                  4.3.3.3. Extra Randomness ...........................8
                  4.3.3.4. Supported Ephemeral Diffie-Hellman Group ...9
                  4.3.3.5. Static Diffie-Hellman Public Key ...........9
           4.3.4. Authenticity .......................................10
           4.3.5. Signing and Verifying Messages .....................10
                  4.3.5.1. Options ...................................11
                           4.3.5.1.1. Simple Password ................11
           4.3.6. Glare Resolution ...................................13
           4.3.7. Session Override ...................................13
      4.4. Endpoint Discriminators ...................................13
           4.4.1. Format .............................................14
           4.4.2. Options ............................................14
                  4.4.2.1. Required Hostname .........................15
                  4.4.2.2. Ancillary Data ............................15
                  4.4.2.3. Fingerprint ...............................16
           4.4.3. Certificate Selection ..............................16
           4.4.4. Canonical Endpoint Discriminator ...................17
      4.5. Session Keying Components .................................18
           4.5.1. Format .............................................19
           4.5.2. Options ............................................19
                  4.5.2.1. Ephemeral Diffie-Hellman Public Key .......20
                  4.5.2.2. Extra Randomness ..........................20
                  4.5.2.3. Diffie-Hellman Group Select ...............21
                  4.5.2.4. HMAC Negotiation ..........................21
                  4.5.2.5. Session Sequence Number Negotiation .......22
Show full document text