Node interaction method, certificate verification method, device and related equipment

A node certificate and interaction method technology, applied in the field of node interaction method, certificate verification method, device and related equipment, can solve the problem that the trust model cannot solve the certificate trust verification and other problems, and achieves the effect of solving the mutual trust problem and low cost

Pending Publication Date: 2022-07-08
CHINA MOBILE COMM LTD RES INST +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a node interaction method, certificate verification method, device and

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  • Node interaction method, certificate verification method, device and related equipment
  • Node interaction method, certificate verification method, device and related equipment
  • Node interaction method, certificate verification method, device and related equipment

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Embodiment Construction

[0052] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0053] The terms "first", "second" and the like in the embodiments of the present invention are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily ...

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Abstract

The invention provides a node interaction method, a certificate verification method, a device and related equipment. The node interaction method comprises the steps that a first CA node joins a mutual trust alliance, the mutual trust alliance comprises a plurality of CA nodes trust with the first CA node, and a block chain of the mutual trust alliance comprises a real-time CA state tree and root hash values corresponding to all leaf nodes of the CA state tree; each leaf node of the CA state tree comprises a node certificate and a node trust score value of one CA node, and each CA node stores a block chain. Therefore, the terminal can verify the certificate of the CA node in the mutual trust alliance in a Hash tree manner and then verify the legality of the terminal certificates of the other terminals through the certificate of the CA node aiming at certificates issued by other CA nodes in the same mutual trust alliance added to the CA node trusted by the terminal for other terminals. All certificates issued by CA nodes in a mutual trust alliance are trusted, and the mutual trust problem between any CA nodes is solved with low cost.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a node interaction method, a certificate verification method, an apparatus, and related equipment. Background technique [0002] Certificates provide identity proofs for entities, and a certificate trust model is needed to verify the legitimacy of the entity certificates themselves. In the traditional root certificate authority (Certificate Authority, CA for short) trust model, the root CA issues intermediate CA1 and CA2 certificates, and CA1 and CA2 issue certificates 1 to 4 respectively. If the device stores the root CA certificate as a trust anchor, the validity of certificates 1 to 4 can be verified by means of a certificate chain. [0003] In order to make up for the defects of the traditional tree certificate chain, three trust models are born: the cross-certification trust model, the bridge CA trust model, and the list trust model. Amo...

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Application Information

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IPC IPC(8): H04L9/40H04L67/1097H04L9/32
CPCH04L63/0823H04L63/0869H04L67/1097H04L9/3268
Inventor 陈佳黄静
Owner CHINA MOBILE COMM LTD RES INST
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