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Key distribution method, system and related equipment

A key distribution and equipment technology, applied in the field of network security, to avoid key leakage and improve security protection capabilities

Pending Publication Date: 2022-04-12
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, in a smart home scenario, a device needs to install multiple sensing devices, access multiple applications and perform multiple authentications. The AKMA security mechanism cannot meet this demand

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  • Key distribution method, system and related equipment
  • Key distribution method, system and related equipment
  • Key distribution method, system and related equipment

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0035] The relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0036] At the same time, it should be understood that, for the convenience of d...

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Abstract

The invention discloses a key distribution method, a key distribution system and related equipment, and relates to the field of network security. The key distribution method comprises the following steps: in response to an application for establishing a secure session sent by an acquisition terminal, the key management device acquires a session key from an AAnF network element; the key management device sends a secure session establishment response to the terminal; the key management device receives an application key acquisition request sent by the terminal, and the application key acquisition request comprises a user identifier and an application identifier of a terminal user; the key management device generates an equipment public key and an equipment private key corresponding to the user identifier and the application identifier; the secret key management device uses the session secret key to encrypt the device private key; the key management device sends the encrypted device private key to the terminal, so that the terminal decrypts the encrypted device private key by using the session key to obtain the device private key; and the key management device sends the equipment public key to the authentication equipment of the application server.

Description

technical field [0001] The present invention relates to the field of network security, in particular to a key distribution method, system and related equipment. Background technique [0002] At present, a set of process-simplified and lightweight application-layer authentication and key management methods—AKMA (Authentication and Key Management for Applications, application-layer authentication and key management) is designed for IoT scenarios. AKMA is strongly bound between the application and the operator, that is, the completion of the main authentication is equivalent to the completion of the service authentication, and the application completely trusts the authentication result of the operator, and can directly derive the session key from the network main authentication key for secure communication. [0003] Currently, many devices have the need to access multiple applications. For example, in a smart home scenario, a device needs to install multiple sensing devices, a...

Claims

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Application Information

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IPC IPC(8): H04W12/0431H04W12/069H04W76/10
Inventor 李金慧于文良黄铖斌王聪丽薛伟佳
Owner CHINA TELECOM CORP LTD
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