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A method, device and system for pnf in a 5g core network to authenticate cnf through nrf

A core network and 5G technology, applied in the field of 5G core network where pNF has passed NRF certification and cNF, which can solve the problems of low security, cNF verification, and few parameters.

Active Publication Date: 2022-02-01
IPLOOK NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But in this way, it is difficult to avoid the potential safety hazard that the cNF disguised by an illegal program obtains the services provided by the pNF by illegal means
[0003] In the prior art, static configuration parameters such as the IP address that restricts cNF access are also configured on the pNF, but there are too few parameters that can be verified, and the cNF is not verified at the application layer, so the security is still not high

Method used

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  • A method, device and system for pnf in a 5g core network to authenticate cnf through nrf
  • A method, device and system for pnf in a 5g core network to authenticate cnf through nrf
  • A method, device and system for pnf in a 5g core network to authenticate cnf through nrf

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Embodiment Construction

[0049] Next, the technical solutions in the embodiments of the present invention will be described in the following examples, and the described embodiments are merely, not all of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained without creative labor are not made in the premise of creative labor.

[0050] It should be noted that if there is a directional indication (such as above, lower, left, right, post, after, after, after, after, after ...), the directional indication is only used to interpret a particular attitude (such as the figures. Sign) The relative positional relationship between the components, the movement condition, etc., if the specific posture changes, the directional indication is also correspondingly changed.

[0051] Further, in the embodiment of the present invention relates to a "first", "second", the description, "first", "second", and the like are used only for the purpose of descript...

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Abstract

The invention discloses a method, device and system for pNF to authenticate cNF through NRF in a 5G core network. The device and system are used to realize this method. This method solves the problem that cNF and pNF are registered in the same NRF network. Including: if cNF sends a request to pNF to obtain pNF services, then pNF sends a discovery request to NRF to request to query cNF data; NRF queries cNF data according to the discovery request, and responds to pNF's request; pNF responds to pNF's request according to NRF, Determine whether to allow cNF to access its services. The technical solution of the present invention obtains cNF data from the NRF through the pNF to verify whether the cNF is a legal NF in the 5G core network, and enhances the security of mutual service access between network function NFs in the 5G core network.

Description

Technical field [0001] The present invention relates to the field of mobile communication, and Background technique [0002] According to the 5G safety architecture and process protocol TS 3GPP 33501-G30, there is a large number of network functions in the 5G core network (NF, NETWORK FUNCTION, each NF independent autonomous autonomous, regardless of new, upgrades, or transformation will not hinder other NF ), The NF is used to communicate with the HTTP2 protocol and use TLS as the data transport layer encryption protocol (TLS protocol only for TLS negotiation verification in the transfer layer, and does not verify the application level with CNF identity and configuration data). So the service consumer CNF (CNF, Consumer Network Function, the NF of the Access and Calling Service is the connection service provider PNF (PNF, Provider network function, NF service provider for providing services) Just take the TLS protocol negotiated. And when the CNF requests the service provided by...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/06H04W12/084
Inventor 邱权冠苏国章
Owner IPLOOK NETWORKS CO LTD