Title:
METHOD, SYSTEM, APPARATUS AND BSF ENTITY FOR PREVENTING BSF ENTITY FROM ATTACK
Document Type and Number:
WIPO Patent Application WO/2007/104248
Kind Code:
A1
Abstract:
A method for preventing BSF entity from attack, which includes: when the authentication
between user terminal and BSF entity is accomplished, generating the first TID
and the second TID, said first TID is different from the second TID. The user terminal
reinitiates the authentication to BSF entity using the first TID; the user terminal
initiates the service to NAF entity using the second TID. A system, apparatus
and a BSF entity are also disclosed in the invention. The scheme of the invention
avoids the attacker obtaining the TID at the Ua interface, and using it to initiate
the re-authentication request at the Ub interface, it efficiently prevents
BSF from attacks, avoids the unnecessary load to BSF, thus saves the resources.
Inventors:
YANG YANMEI (CN)
Application Number:
PCT/CN2007/000768
Publication Date:
September 20, 2007
Filing Date:
March 09, 2007
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
YANG YANMEI (CN)
YANG YANMEI (CN)
International Classes:
H04L9/32
Foreign References:
| JP2000115161A | 2000-04-21 | |||
| CN1642079A | 2005-07-20 | |||
| EP1633108A1 | 2006-03-08 |
Other References:
See also references of EP 1995908A4
Attorney, Agent or Firm:
DEQI INTELLECTUAL PROPERTY LAW CORPORATION (No. 1 Zhichun Road Haidian District, Beijing 3, CN)
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