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Method and system for establishing a secure channel

A technology of secure channel and establishment method, applied in transmission system, data exchange through path configuration, user identity/authority verification, etc., can solve problems such as difficulty in certificate management, achieve protection against common DDoS attacks, convenient update of keys and Certificate, the effect of a long validity period

Active Publication Date: 2019-08-30
COMBA TELECOM SYST CHINA LTD
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Problems solved by technology

[0005] Based on the above situation, the present invention proposes a method and system for establishing a secure channel, which realizes the establishment of a secure channel between VNF instances in different security domains, and solves the problem of difficult implementation of certificate management in a virtualized environment

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  • Method and system for establishing a secure channel
  • Method and system for establishing a secure channel
  • Method and system for establishing a secure channel

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Embodiment Construction

[0036] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and do not limit the protection scope of the present invention.

[0037] The method of establishing a secure channel in an embodiment is as follows: figure 2 As shown, including the following steps:

[0038] Step S201: Receive a second cross certificate sent by a second virtualized network function instance through the second virtualized network function management device and the first virtualized network function management device, where the second cross-certificate includes a second signature;

[0039] Step S202: verify whether the second signature is correct according to the pre-stored signature information;

[0040] Step S203: when t...

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Abstract

The invention discloses a method and system for establishing a secure channel. The method comprises a step of receiving a second cross certificate sent by a second virtual network function instance, a step of verifying whether the second signature of the second cross certificate is correct according to pre-stored signature information, a step of obtaining a stored first cross certificate when the verification is correct, a step of inquiring the local certificate revocation list of second certificate management mechanism interconnection end through a first management channel according to an interconnection agreement agreed in advance, a step of verifying whether the first cross certificate and the second cross certificate are valid or not according to the certificate revocation list, a step of sending a second virtual network function instance to the first certificate when the verification is valid, a step of sending a communication IP address to the second virtual network function instance after a preset verification time, a step of receiving the message returned by the second virtual network function instance, and a step of establishing a secure channel based on the message. According to the method and the system, the establishment of the secure channel between VNF instances in different security domains is realized, and the problem of the difficult realization of certificate management in a virtual environment is solved.

Description

Technical field [0001] The present invention relates to the field of communication technology, in particular to a method and system for establishing a secure channel. Background technique [0002] The goal of NFV (Network Function Virtualization) is to replace private and dedicated network element equipment by improving industry standard servers, storage and network equipment. The NFV architecture has two advantages. One is the low cost of standard equipment, which can save huge investment costs; the other is the open API (Application Programming Interface, application programming) interface, which can obtain more flexible network capabilities. [0003] The virtual network architecture formulated by NFV includes: VNF (Virtualised Network Function) instances, EM (Element Management, network element management), NFVI (NFV Infrastructure, NFV infrastructure), VIM (Virtualised Infrastructure Managers, management virtual Infrastructure), NFVO (NFVOrchestrator, NFV orchestrator), VNFM (...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/46H04L9/32
Inventor 余筱李剑荣黄汉钊马超
Owner COMBA TELECOM SYST CHINA LTD
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