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Method and device for sending terminal serial number and authentication method and device

A terminal serial number and sending terminal technology, which is applied to security devices, secure communication devices, and key distribution, can solve problems such as no solution, SQNms exposure, etc., and achieve the effect of reducing the risk of exposure

Pending Publication Date: 2019-12-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

By analyzing the received user authentication failure response message, the attacker can identify SQNms from the message, resulting in the exposure of SQNms
For the above-mentioned vulnerabilities, there is currently no effective solution

Method used

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  • Method and device for sending terminal serial number and authentication method and device
  • Method and device for sending terminal serial number and authentication method and device
  • Method and device for sending terminal serial number and authentication method and device

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Embodiment Construction

[0039] In order to make the purpose, technical solution and advantages of the application clearer, the embodiments of the application will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0040] The embodiment of this application proposes a method for sending the serial number of the terminal, such as figure 1 Implement a flow diagram for the method, including:

[0041] S11: Authenticate the received user authentication request message, and calculate a terminal-side authentication token including the terminal serial number in response to the authentication failure reason being synchronization failure;

[0042] S12: Encrypt the terminal-side authentication token to obtain a ciphertext of the terminal-side authentication token;

[0043] S13: Feed back a user authentication f...

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PUM

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Abstract

The invention provides a method and device for sending a terminal serial number, and an authentication method and device, and the method for sending the terminal serial number comprises the steps: carrying out the authentication of a received user authentication request message, and calculating a terminal side authentication token comprising the terminal serial number in response to a condition that the failure cause of the authentication is synchronization failure; encrypting the terminal side authentication token to obtain a ciphertext of the terminal side authentication token; and feeding back a user authentication failure response message carrying the ciphertext of the terminal side authentication token. The risk that the serial number of the terminal is exposed can be reduced.

Description

technical field [0001] The present application relates to the communication field, and specifically relates to a method and device for sending a terminal serial number and an authentication method and device. Background technique [0002] The 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) has developed specifications for various mobile networks, including an authentication and key agreement process (Authentication and Key Agreement, referred to as AKA process), which is used for user equipment (UE, User Equipment) and network mutual authentication and establish a common key. In the AKA process solution, when the terminal device receives an authentication request message from the network, it verifies the AUTN in the message. If the authentication fails, an authentication failure message (failure message) will be responded, and the message carries a failure reason parameter (CAUSE). If the MAC in the authentication request message is not equal ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/02H04W12/04H04W12/06H04L29/06H04L9/08H04W12/041H04W12/084
CPCH04W12/02H04W12/04H04W12/06H04L63/0807H04L9/0869H04W12/037H04W12/72H04W12/041
Inventor 游世林谢振华彭锦余万涛林兆骥
Owner ZTE CORP
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