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Title:
KEY MANAGEMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2009/067933
Kind Code:
A1
Abstract:
A key management method, is an enhanced RSNA four-way Handshake protocol. Its preceding two way Handshake processes comprises: 1), an authenticator sending a new message (1) which is added a Key Negotiation IDentifier (KNID) and a Message Integrity Code (MIC) based on the intrinsic definition content of the message (1) to a applicant; 2), after the applicant receives the new message (1), checking whether the MIC therein is correct; if no, the applicant discarding the received new message (1); if yes, checking the new message (1), if the checking is successful, sending a message (2) to the authenticator; the process of checking the new message (1) being the same as the checking process for the message (1) defined in the IEEE 802.11i-2004 standard document. The method solves the DoS attack problem of the key management protocol in the existing RSNA security mechanism.

Inventors:
TIE MANXIA (CN)
CAO JUN (CN)
PANG LIAOJUN (CN)
LAI XIAOLONG (CN)
HUANG ZHENHAI (CN)
Application Number:
PCT/CN2008/073051
Publication Date:
June 04, 2009
Filing Date:
November 14, 2008
Export Citation:
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Assignee:
CHINA IWNCOMM CO LTD (CN)
TIE MANXIA (CN)
CAO JUN (CN)
PANG LIAOJUN (CN)
LAI XIAOLONG (CN)
HUANG ZHENHAI (CN)
International Classes:
H04L12/28; H04L9/00; H04L29/06
Domestic Patent References:
WO2006093161A12006-09-08
Foreign References:
CN101159538A2008-04-09
US20060107050A12006-05-18
CN101039180A2007-09-19
Other References:
None
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (Scitech PlaceNo.22, Jian Guo Men Wai Ave., Chao Yang District, Beijing 4, CN)
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