rfc5410.Multimedia Internet KEYing (MIKEY) General Extension Payload

更新时间:2023-06-05 06:25:04 阅读:18 评论:0

Network Working Group                                  A. Jerichow, Ed. Request for Comments: 5410                        Nokia Siemens Networks Obsoletes: 4909                                                L. Piron Category: Informational                                Nagravision S.A.                                                            January 2009      Multimedia Internet KEYing (MIKEY) General Extension Payload
for Open Mobile Alliance BCAST 1.0
Status of This Memo
This memo provides information for the Internet community.  It does
not specify an Internet standard of any kind.  Distribution of this
memo is unlimited.
Copyright Notice
Copyright (c) 2009 IETF Trust and the persons identified as the
document authors.  All rights rerved.
一年级数学思维训练题This document is subject to BCP 78 and the IETF Trust’s Legal
Provisions Relating to IETF Documents (trustee.ietf/
licen-info) in effect on the date of publication of this document.  Plea review the documents carefully, as they describe your rights    and restrictions with respect to this document.
Abstract
This document specifies a new Multimedia Internet KEYing (MIKEY)
General Extension payload to transport the short-term key message
(STKM) and long-term key message (LTKM) payloads as well as the
management data LTKM reporting message and parental control message
payloads defined in the Open Mobile Alliance’s (OMA) Broadcast
中标通知书模板(BCAST) group’s Service and Content protection specification.
Jerichow & Piron            Informational                      [Page 1]
Table of Contents
1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.  MIKEY General Extension for OMA BCAST Usage . . . . . . . . . . 3
4.  Interoperability Considerations . . . . . . . . . . . . . . . . 4
5.  Security Considerations . . . . . . . . . . . . . . . . . . . . 4
6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 5
7.  Changes since RFC 4909  . . . . . . . . . . . . . . . . . . . . 5
8.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . 5
9.  References  . . . . . . . . . . . . . . . . . . . . . . . . . . 6    9.1.  Normative References  . . . . . . . . . . . . . . . . . . . 6    9.2.  Informative References  . . . . . . . . . . . . . . . . . . 6夜以继日的近义词
1.  Introduction
The Multimedia Internet KEYing (MIKEY) protocol specification (RFC
3830 [RFC3830]) defines a General Extension payload to allow possible    extensions to MIKEY without having to allocate a new payload type.
The General Extension payload can be ud in any MIKEY message and is    part of the authenticated/signed data part.  There is an 8-bit type
field in that payload.  The type code assignment is IANA-managed, and    RFC 3830 requires IETF connsus for assignments from the public
range of 0-240.
The Open Mobile Alliance’s (OMA) Broadcast (BCAST) group’s Service
and Content Protection specification [SPCP] specifies the u of a
short-term key message (STKM), a long-term key message (LTKM), an
LTKM reporting message, and a parental control message that carry
attributes related to Service and Content protection.  Note that any    keys associated with the attributes, such as the Parental Control
Pincode if prent, are part of the MIKEY KEMAC payload.
This document specifies the u of the General Extension payload of
MIKEY to carry the messages mentioned above, as well as protection of    the credentials using mechanisms supported by MIKEY with
modifications in [RFC3830].
RFC 3830 [RFC3830], the MIKEY General Extension payload defined in
RFC 4563 [RFC4563], and the 3rd Generation Partnership Project
(3GPP)’s Multimedia Broadcast/ Multicast Service (MBMS) document
[3GPP.33.246] specify the transport of MIKEY messages via unicast or    broadcast; the OMA BCAST specifications u either for transport of
MIKEY messages.
Jerichow & Piron            Informational                      [Page 2]
2.  Terminology
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this    document are to be interpreted as described in RFC 2119 [RFC2119].
OMA BCAST MIKEY General Extension: We refer to the General Extension    type -- 5 -- as the OMA BCAST MIKEY General Extension.
3.  MIKEY General Extension for OMA BCAST Usage
母亲河是什么河The OMA BCAST Type (Type 5) formats the MIKEY General Extension
payload as follows:
1                  2                  3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! Next Payload !      Type    !            Length            !
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
!      OMA BCAST Data Subtype  (variable length)            ˜
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 1: OMA BCAST MIKEY General Extension
Next Payload and Length are defined in Section 6.15 of [RFC3830].
Type (8 bits): identifies the type of the General Extension Payload
(e Section 6.15 of [RFC3830]).  This document adds a new type.  It    specifies the u of Type 5 for OMA BCAST Service and Content
Protection using the Smartcard Profile.
Type        | Value | Comments
------------------------------------------------------------------
OMA BCAST  |    5 | information on type and identity of messages
Figure 2: Definition of the OMA BCAST MIKEY General Extension Payload    OMA BCAST Data Subtype (variable length): defines a variable length
Data field.  This field is formed by subtype-payloads.  The contents    of the variable length OMA BCAST Data Subtype field are defined
below.
Jerichow & Piron            Informational                      [Page 3]
1                  2                  3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
!  Subtype    ! Subtype Specific Data (variable length)    ˜
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 3: STKM/LTKM/LTKM Reporting/Parental Control Subtype Payload      Subtype: 8 bits.  This field indicates the subtype of the OMA
BCAST payload.  In this specification, four values are specified:      LTKM (1), STKM (2), LTKM Reporting (3), and Parental Control (4).      Subtype Specific Data: Variable length.
OMA BCAST Data Subtype | Value | Comment
-----------------------------------------------------------
LTKM                  |    1 | Long Term Key Message
STKM                  |    2 | Short Term Key Message
LTKM Reporting        |    3 | LTKM Reporting Message
Parental Control      |    4 | Parental Control Message
Figure 4: Subtype Definitions for OMA BCAST Messages
The contents of the OMA BCAST Data Subtype payload field are defined    in Section 6 of the OMA BCAST Service and Content Protection
specification [SPCP].
4.  Interoperability Considerations
This document specifies the u of MIKEY General Extension payload
Type 5 and four subtype values: 1 and 2 for OMA BCAST Service and
Content protection’s LTKM and STKM payloads (respectively), 3 for
LTKM Reporting payload, and 4 for Parental Control payload.
Interoperability considerations span veral standards bodies, with
OMA BCAST 1.0 enabler compliance being the key aspect; as such, it is    up to the OMA test planning to verify the interoperability and
compliance of OMA BCAST 1.0 implementations.  This payload type
assignment does not change MIKEY beyond RFC 3830 [RFC3830] and RFC
4563 [RFC4563].
5.  Security Considerations
According to RFC 3830 [RFC3830], the General Extension payload can be    ud in any MIKEY message and is part of the authenticated/signed
data part.  The parameters propod to be included in the OMA BCAST凤求凰琴歌
MIKEY General Extension payload (listed in Section 3) need only to be    integrity protected, which is already allowed by the MIKEY鸭脚木
specification.  The OMA BCAST MIKEY General Extension payload SHALL Jerichow & Piron            Informational                      [Page 4]
be integrity protected.  Furthermore, keys or any parameters that
require confidentiality MUST NOT be included in the General Extension    payload.  If keys or other confidential data are to be transported
via the General Extension payload, such data MUST be encrypted and
encapsulated independently.  Finally, note that MIKEY already
provides replay protection and that protection also covers the
General Extension payload.
6.  IANA Considerations
IANA has allocated an OMA BCAST MIKEY General Extension Type --5--
from the "General Extensions payload name space" for u by OMA BCAST    as requested by RFC 4909 [RFC4909].  Furthermore, IANA has created a    name space for the OMA BCAST payload subtype values defined in
[RFC4909] and has assigned the following subtype values from this
name space: LTKM (1), STKM (2).
IANA has allocated two new subtypes from the OMA BCAST payload
大益金针白莲
subtype name space.
The subtypes are as follows:
Subtype Name: LTKM Reporting
Value: 3
and
Subtype Name: Parental Control
孕妇可以吃鱼胶吗Value: 4
7.  Changes since RFC 4909
OMA BCAST Service and Content Protection specification [SPCP]
contains messages that were created since RFC 4909 was written.  This    document only adds the necessary assignments to support the new
messages.  No modifications are made on values assigned by RFC 4909
[RFC4909].
8.  Acknowledgments
Many thanks to the authors of RFC 4909 [RFC4909] for allowing us to
obsolete their RFC.
Jerichow & Piron            Informational                      [Page 5]

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