Processing methods and related devices of digital certificate

A digital certificate and certificate issuance technology, applied in the blockchain field, can solve problems such as difficult to meet transaction requirements and poor applicability

Active Publication Date: 2019-03-29
ONE CONNECT SMART TECH CO LTD SHENZHEN
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current way of issuing digital certificates on the alliance chain leads to the fact that the transaction information of the alliance chain transaction is completely open to all participan

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  • Processing methods and related devices of digital certificate
  • Processing methods and related devices of digital certificate
  • Processing methods and related devices of digital certificate

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Embodiment Construction

[0062] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of them. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.

[0063] The digital certificate processing method (including the digital certificate issuance method and the digital certificate verification method, for ease of description, hereinafter referred to as the method provided in the embodiment of this application) and related devices provided in the embodiments of this application can be applied to banks, insurance, and securities. In application scenarios such as business transactions and / or enterprise information pr...

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Abstract

The embodiment of the application discloses processing methods and devices of a digital certificate. The method includes: recording a CA (Certificate Authority) public key of a first participant intoa blockchain network by a CA of the first participant of the blockchain network; when the CA of the first participant receives a certificate authorization request of any user, confirming, according touser identity information carried in the certificate authorization request, whether the same is a user of the CA of the first participant; if yes, obtaining a public key of the user from the certificate authorization request, and obtaining CA public keys of any N second participants from the blockchain network according to a ring signature certificate signing and issuing rule, wherein N is equalto a public key number set in the ring signature certificate signing and issuing rule; and carrying out ring signature on the user identity information and the public key of the user by the CA of thefirst participant according to the CA public key and a private key of the first participant and the CA public keys of the N second participants to form the digital certificate, and sending the same tothe user. By adopting the embodiment of the application, identity privacy of signing and issuing sides of digital certificates can be enhanced.

Description

Technical field [0001] This application relates to the field of blockchain technology, and in particular to a digital certificate processing method and related devices. Background technique [0002] At present, many consortium chain applications have begun to introduce digital certificate authority (Certificate Authority, CA) to issue digital certificates to participants on the blockchain. Since many participants (such as most banks) have their own CA, they will require that they can issue digital certificates for their customers through their own CA. For example, bank A has its own CA (for example, CA-A), bank B has its own CA (for example, CA-B), bank C has its own CA (for example, CA-C), etc. Each bank can pass its own CA CA issues digital certificates for its customers. In the consortium chain network, any participant such as Bank A, Bank B, and Bank C will recognize the digital certificates issued by other participants' CAs to their customers. However, since all participa...

Claims

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Application Information

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IPC IPC(8): H04L9/32H04L29/06
CPCH04L9/3247H04L9/3268H04L63/0421
Inventor 陆陈一帆霍云冯承勇
Owner ONE CONNECT SMART TECH CO LTD SHENZHEN
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