Title:
A METHOD, A SYSTEM AND AN APPARATUS FOR MEDIA FLOW SECURITY CONTEXT NEGOTIATION
Document Type and Number:
WIPO Patent Application WO/2008/083620
Kind Code:
A1
Abstract:
A method, a system and an apparatus for media flow security context negotiation are
provided. The calling user equipment (UE) sends the media flow security context information
provided by itself to the called UE through the session request message. The media
flow security context information includes security arithmetic. The calling
UE receives the media flow security context information from the called UE, the
calling UE and the called UE obtain the cipher key according to the media flow security
context information comprising the security arithmetic provided by them. As
a result of the calling UE and the called UE intercommunicating to obtain the media
flow security context information comprising the security arithmetic and the
cipher key directly without complicatedly computing from UE, and without the
public key or other demands in the network, it realizes the media flow security
context negotiation in IMS system, and it is propitious to process the media flow
security protection in IMS network subsequently.
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Inventors:
HE CHENGDONG (CN)
ZHANG ZHANJUN (CN)
ZHANG ZHANJUN (CN)
Application Number:
PCT/CN2008/070042
Publication Date:
July 17, 2008
Filing Date:
January 08, 2008
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
HE CHENGDONG (CN)
ZHANG ZHANJUN (CN)
HE CHENGDONG (CN)
ZHANG ZHANJUN (CN)
International Classes:
H04L9/12
Foreign References:
| CN1790982A | 2006-06-21 | |||
| CN1801698A | 2006-07-12 | |||
| CN1722689A | 2006-01-18 | |||
| CN1983921A | 2007-06-20 |
Attorney, Agent or Firm:
DEQI INTELLECTUAL PROPERTY LAW CORPORATION (No. 1 Zhichun RoadHaidian District, Beijing 3, CN)
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