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Creation of a Registry for smime-type Parameter Values
RFC 7114

Document type: RFC - Proposed Standard (January 2014)
Was draft-leiba-smime-type-registry (individual in sec area)
Document stream: IETF
Last updated: 2014-01-29
Other versions: plain text, pdf, html

IETF State: Submitted to IESG for Publication
Consensus: Unknown
Document shepherd: Alexey Melnikov
Shepherd Write-Up: Last changed 2013-10-29

IESG State: RFC 7114 (Proposed Standard)
IANA Review State: IANA OK - Actions Needed
IANA Action State: RFC-Ed-Ack
Responsible AD: Sean Turner
Send notices to: alexey.melnikov@isode.com, barryleiba@computer.org, draft-leiba-smime-type-registry@tools.ietf.org

Internet Engineering Task Force (IETF)                          B. Leiba
Request for Comments: 7114                           Huawei Technologies
Category: Standards Track                                   January 2014
ISSN: 2070-1721

         Creation of a Registry for smime-type Parameter Values

Abstract

   Secure/Multipurpose Internet Mail Extensions (S/MIME) defined the
   Content-Type parameter "smime-type".  As the list of defined values
   for that parameter has increased, it has become clear that a registry
   is needed to document these values.  This document creates the
   registry, registers the current values, and specifies the policies
   for registration of new values.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in 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/rfc7114.

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.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Leiba                        Standards Track                    [Page 1]
RFC 7114             Registry for smime-type values         January 2014

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   3
   3.  Security Considerations . . . . . . . . . . . . . . . . . . .   3
   4.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   4
     4.1.  Normative References  . . . . . . . . . . . . . . . . . .   4
     4.2.  Informative References  . . . . . . . . . . . . . . . . .   4

1.  Introduction

   Secure/Multipurpose Internet Mail Extensions (S/MIME) defined the
   Content-Type "application/pkcs7-mime" and the parameter "smime-type",
   along with four valid values for the parameter [RFC3851].
   Certificate Management over CMS (CMC) added two new parameter values
   [RFC5273].  [RFC5751] replaced RFC 3851 and registered the
   application/pkcs7-mime media type, but did not create a registry for
   the smime-type values.

   Enhanced Security Services for S/MIME [RFC2634] and Securing X.400
   Content with S/MIME [RFC3854] also add smime-type values.

   When Enrollment over Secure Transport [RFC7030] added another
   parameter value, it became clear that a registry for smime-type
   parameter values is necessary.  Section 2 creates this registry,
   registers the current values that are defined in previously published
   documents, and specifies the policies for registration of new values.

Leiba                        Standards Track                    [Page 2]
RFC 7114             Registry for smime-type values         January 2014

2.  IANA Considerations

   IANA has changed the reference field for the media type application/
   pkcs7-mime to refer to [RFC5751] and this document.  This document
   replaces the references to RFC 5273 and RFC 7030, which are no longer
   needed.

   IANA has created a new sub-registry under the "MIME Media Type Sub-
   Parameter Registries" top-level registry.  The new registry is
   "Parameter Values for the smime-type Parameter", and it references
   this document and [RFC5751].  The initial values for the registry are
   as follows:

      +----------------------+-----------------------------------+
      |  smime-type value    |  Reference                        |
      +----------------------+-----------------------------------+
      | certs-only           | [RFC5751], Section 3.2.2          |
      | CMC-Request          | [RFC5273], Section 3              |
      | CMC-Response         | [RFC5273], Section 3              |
      | compressed-data      | [RFC5751], Section 3.2.2          |
      | enveloped-data       | [RFC5751], Section 3.2.2          |

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