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Communication method and device

A technology of communication device and communication method, applied in the field of communication, capable of solving problems such as terminal equipment attacks

Pending Publication Date: 2021-03-12
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] This application provides a communication method and device to solve the problem of terminal equipment being attacked

Method used

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  • Communication method and device
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Embodiment Construction

[0088] The application will be described in further detail below in conjunction with the accompanying drawings.

[0089] The embodiments of the present application may be applicable to the following mobile communication systems, for example: Long Term Evolution (Long Term Evolution, LTE) system, Advanced long term evolution (Advanced long term evolution, LTE-A) system, Universal Mobile Telecommunication System (Universal Mobile Telecommunication System, UMTS), an evolved Long Term Evolution (eLTE) system, a 5G system, or other mobile communication systems that will evolve in the future.

[0090] The following takes the 5G system as an example to illustrate a schematic diagram of a 5G system architecture applicable to the embodiments of the present application. The system architecture can be applied to various embodiments of the present application without limitation.

[0091] Such as figure 1 In the system architecture shown, a terminal device 101 can communicate with a core ne...

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Abstract

The invention discloses a communication method and device. The method comprises the steps that terminal equipment receives a first authentication request from a security function network element; theterminal equipment obtains authentication reference information according to the first authentication request, wherein the authentication reference information is a response value or a resynchronization identifier or a reason indication value; the terminal equipment sends an authentication response message to the security function network element, wherein the authentication response message comprises a first information element used for carrying a response value, a second information element used for carrying a resynchronization identifier and a third information element used for carrying a reason indication value, and the authentication reference information is carried in an information element corresponding to the authentication reference information.

Description

[0001] This application is a divisional application with the application number 201711123039.2, the application date is November 14, 2017, and the invention name is "a communication method and device". technical field [0002] The present application relates to the technical field of communication, and in particular to a communication method and device. Background technique [0003] At present, pseudo-base station technology poses a great threat to the security of communication systems. For example, pseudo-base stations can obtain the identity of a terminal device, which can be an International Mobile Subscriber Identification Number (IMSI). Further, the fake base station may also attack the terminal device according to its identity, for example, track the location of the terminal device, thereby causing privacy leakage of the user of the terminal device. [0004] For example, the fake base station may use the obtained IMSI to apply for an authentication vector (Authenticati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/02H04W12/06H04W12/122H04W12/69
CPCH04W12/02H04L9/32H04W12/06H04L63/0892H04W12/041H04L9/3271H04L63/08H04L2209/80H04W12/04
Inventor 潘凯陈璟
Owner HUAWEI TECH CO LTD
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