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Key agreement method, device and system

A technology of key agreement and equipment, which is applied in the field of wireless communication, can solve the problem of low encryption level, and achieve the effect of high encryption level, reduced complexity, and low communication and computing overhead

Inactive Publication Date: 2020-12-01
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0024] Embodiments of the present invention provide a key agreement method, device, and system for solving the problem of low encryption level when BNN-IBS is applied to a D2D wireless communication network for key agreement

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  • Key agreement method, device and system
  • Key agreement method, device and system
  • Key agreement method, device and system

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Embodiment Construction

[0200] 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. 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.

[0201] The present application presents various aspects, embodiments or features in terms of a system that can include a number of devices, components, modules and the like. It is to be understood and appreciated that the various systems may include additional devices, components, modules, etc. and / or may not include all of the devices, components, modules etc. discussed in connection with the figures. In addition, combinations of these schemes can also be used.

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Abstract

Disclosed are a key negotiation method, device and system, relating to the field of wireless communications and used for solving the problem of a low degree of encryption when a BNN-IBS is applied to a D2D wireless communication network for key negotiation. The key negotiation method comprises: when a key generation device sends a public key and a private key of a first user equipment to the first user equipment, when the key generation device sends a public key and a private key of a second user equipment to the second user equipment, when the first user equipment sends a first signature message to the second user equipment, and when the second user equipment sends a second signature message to the first user equipment, performing homomorphic encryption. The embodiments of the present invention are applied to a D2D wireless communication network.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a key negotiation method, device and system. Background technique [0002] With the gradual improvement of 4G standards, 5G technology has come into people's attention. Some data show that the future 5G wireless communication system will develop in the direction of network integration. One direction is heterogeneous networks, and the other direction is to allow closer distances under cellular networks. Direct communication between mobile devices, that is, D2D (full name in English: Device to Device, Chinese name: device to device) communication mode. [0003] On the one hand, key negotiation has always been a very important security mechanism in wireless communication systems. For D2D wireless communication, due to the uncertainty of the transmission path between UEs, it is impossible to use routers, firewalls, etc. used in traditional wireless networks. Devices per...

Claims

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Application Information

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IPC IPC(8): H04L9/32
CPCH04L9/32
Inventor 仲伟伟陈璟
Owner HUAWEI TECH CO LTD
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