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Two-way authentication method of global system for mobile communications (GSM) network

A GSM network, two-way authentication technology, applied in the field of network security, to achieve the effect of solving potential safety hazards

Active Publication Date: 2013-07-10
BEIJING SAFE CODE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0028] The two-way authentication scheme of the GSM system provided by the embodiment of the present invention is used to solve the problem of one-way authentication in the prior art and solve the problems caused by one-way authentication. security risks

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  • Two-way authentication method of global system for mobile communications (GSM) network
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  • Two-way authentication method of global system for mobile communications (GSM) network

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Embodiment Construction

[0036] Aiming at the defect in the prior art of the GSM system that it is unable to provide network end-to-user end authentication, which causes various security problems, the present invention proposes a two-way authentication method. This method not only realizes the authentication of the mobile station to the GSM network, but also provides the function of authenticating the GSM network to the mobile station, thereby solving the security risks caused by the one-way authentication of the GSM network.

[0037] Such as image 3 As shown, the GSM system two-way authentication method provided by the present invention is implemented in five steps. The specific steps for implementing the mutual authentication protocol are as follows:

[0038] Step 1: Generate RAND by MS, and use the same method as GSM system to generate SRES1, namely: use Ki and RAND as input and generate SRES1 through A3 algorithm. Calculate the temporary encryption key Tki (equivalent to the session encryption key Kc...

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Abstract

The invention discloses a two-way authentication method of a global system for mobile communications (GSM) network, comprising the following steps: providing authentication of the GSM network for a user when a mobile station accesses to the GSM network; and realizing the authentication of the GSM network for the user. By using the authentication scheme provided by the invention, the problem of potential safety hazard caused by a one-way authentication method that only the authentication of a GSM network terminal for the user is provided is solved. Middle attack and air attack prevalent in a GSM system are effectively prevented by using mutual authentication.

Description

technical field [0001] The invention relates to network security technology, in particular to the design of a two-way authentication method. Background technique [0002] The GSM mobile communication system is a digital cellular mobile communication system based on TDMA. GSM is the first cellular system in the world that specifies digital modulation, network layer structure and services. GSM was developed to address the fragmented state of Europe's first generation of cellular systems. Before GSM, European countries adopted different cellular standards throughout the European continent. As far as users are concerned, mobile stations of one standard cannot be used to communicate throughout Europe. In addition, due to the weakness of the analog network itself, its capacity is also limited. For this reason, the European Telecommunications Union began to develop a mobile communication system covering the whole of Europe in the early 1980s, which is now called the GSM system....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/32
Inventor 武巧荣辛阳杜晓峰包一兵
Owner BEIJING SAFE CODE TECH