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Ub interface information interaction method in general guiding frame

A technology of general guidance and interface information, applied in the field of communication, can solve the problems of inability to identify B-TID forgery or tampering, inability to know the encryption and decryption method of the opposite end, and inability to know the version of the opposite end, so as to reduce the chance of forgery or tampering, Protecting the effect of existing investments

Inactive Publication Date: 2006-12-13
HUAWEI TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0025] However, since the interaction between the UE and the BSF in this scheme is not performed in a secure tunnel, the process of sending the encrypted B-TID to the UE by the BSF may still be attacked by a man-in-the-middle. After receiving the B-TID, it is impossible to identify whether the B-TID has been forged or tampered by the attacker
In addition, the B-TID encryption and decryption methods and keys need to be pre-set in the UE and BSF. Since the UE cannot know the version of the peer end when communicating with the BSF (that is, it cannot know the encryption and decryption methods of the peer end), it is also impossible to Realize intercommunication between old and new versions

Method used

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  • Ub interface information interaction method in general guiding frame
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  • Ub interface information interaction method in general guiding frame

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Embodiment Construction

[0059] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0060] The core of the present invention is that the UE carries a list of security mechanisms supported by the UE in the GBA request message sent to the BSF, so that the BSF learns the security capability information of the UE. The BSF carries a list of security mechanisms supported by the BSF in the challenge response message sent to the UE, so that the UE learns the security capability information of the BSF. The UE and the BSF establish a security alliance after learning the security capability information of the opposite end. The BSF encrypts the message containing the B-TID and Ks validity period according to the security protocol, security algorithm and corresponding key negotiated in the security alliance and sends it to the UE. After receiving the message, ...

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Abstract

The invention discloses an Ub interface information interactive method in the general guide frame, which is characterized by the following: realizing B-TID safe protection on Ub interface to support front and back compatible publisher; establishing safe coalition between UE and BSF through safe ability negotiation; transmitting B-TID information through safe coalition in the defined parameter or head realm of original AKA negotiating information.

Description

Technical field [0001] The present invention relates to communication technology, in particular to a Ub interface information interaction method in a universal guidance framework. Background technique [0002] With the rapid development of mobile communication services, the application of mobile data and multimedia communications will become more and more extensive. In the near future, it will even surpass traditional voice as the main service carried by mobile communications. The traditional second-generation Global System for mobile Communication (GSM) mobile communication network has been unable to adapt to this new development trend. For this reason, GSM will gradually transition to the third-generation mobile communication system. Among them, the Wideband Code Division Multiple Access ("WCDMA") / Universal Mobile Telecommunications System ("WCDMA") specified by the 3rd Generation Partnership Project ("3GPP") (Referred to as "UMTS") with its continuous improvement and mature te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
Inventor 何承东
Owner HUAWEI TECH CO LTD
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