A METHOD FOR PREVENTING THE REPLAY ATTACK AND A METHOD FOR ENSURING THE NON-REPETITION OF THE MESSAGE SEQUENCE NUMBER

Title:

A METHOD FOR PREVENTING THE REPLAY ATTACK AND A METHOD FOR ENSURING THE NON-REPETITION OF THE MESSAGE SEQUENCE NUMBER

Document Type and Number:

WIPO Patent Application WO/2006/136090

Kind Code:

A1

Abstract:

A method for preventing the replay attack includes: add the message sequence number attribute in the context of the authorization key; after completing the authentication between the parties communicating the management message and generating the authorization key context, the transmission side of the management message establishes the message sequence number parameters according to the message sequence number attribute in the generated authorization key context and sets the parameters as the initial value; during the session using the authorization key context, the transmission side of the management message increases or descends the message sequence number parameters by a predetermined value before transmitting the management message, then transmits the increased or descending message sequence number parameters together with the management message to the reception side; the reception side judges whether the received management message is replay message according to the received message sequence number parameters; if so, discard the management message, if not, receive the management message. It can be ensured that the message sequence number will not repeat in the authorization key context with the method of the present invention.

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Inventors:

XIAO ZHENGFEI (CN)
LI YONGMAO (CN)

Application Number:

PCT/CN2006/001369

Publication Date:

December 28, 2006

Filing Date:

June 16, 2006

Export Citation:

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Assignee:

HUAWEI TECH CO LTD (CN)
XIAO ZHENGFEI (CN)
LI YONGMAO (CN)

International Classes:

H04L9/00; H04L12/56; H04Q7/20

Foreign References:

CN1553600A	2004-12-08
KR20050005092A	2005-01-13
US20040047308A1	2004-03-11

Attorney, Agent or Firm:

DEQI INTELLECTUAL PROPERTY LAW CORPORATION (No. 1 Zhichun Road Haidian District, Beijing 3, CN)

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