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A method for judging digital certificate signature data legitimacy in the blockchain

A digital certificate and signature data technology, applied in the blockchain field, can solve problems such as illegal digital signature data and inability to participate in consensus, and achieve the effect of realizing the management mechanism and ensuring reliability and security

Active Publication Date: 2020-12-04
南京金宁汇科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This application provides a method for judging the legality of digital certificate signature data in the blockchain to solve the problem that when the digital certificate is revoked, some legal digital signature data will also be considered illegal, so that it cannot participate in the follow-up consensus.

Method used

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  • A method for judging digital certificate signature data legitimacy in the blockchain
  • A method for judging digital certificate signature data legitimacy in the blockchain

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Embodiment Construction

[0018] In order to make the purposes, technical solutions and advantages of the exemplary embodiments of the present application clearer, the technical solutions in the exemplary embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the exemplary embodiments of the present application. , the described exemplary embodiments are only some of the embodiments of the present application, but not all of the embodiments.

[0019] In order to facilitate the understanding of the present application, the application scenarios proposed in the present application are firstly introduced. Currently, the signature data of digital certificates are already stored on the blockchain, but once the digital certificate is revoked, all the signature data corresponding to the digital certificate will be considered illegal, but in fact some of the signature data is legal, namely All digitally signed data is legal within t...

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Abstract

The invention provides a method for judging legality of digital certificate signature data in a block chain, and the method comprises the steps: firstly comparing the height of a block with the effective height interval of a digital certificate in the block, and judging a digital certificate blacklist for the block; secondly, judging whether the digital signature data for the block is legal or notaccording to the digital certificate blacklist; submitting certificate issuing and revoking operations of a CA center to a block chain as consensus data, ensuring the reliability and the safety of the blacklist acquired by the node, therefore, the blockchain node participating in the consensus can correctly identify the current blacklist; by judging the legality of the digital signature data, thehistorical block data is ensured not to be influenced, the historical block data can be correctly synchronized, in addition, the whole implementation process can be dynamically carried out online, the current consensus does not need to be stopped, and the normal consensus is not influenced while a management mechanism of the digital certificate is realized.

Description

technical field [0001] The invention relates to the technical field of block chains, in particular to a method for judging the legality of digital certificate signature data in the block chain. Background technique [0002] A digital certificate refers to a digital certification that marks the identity information of all communication parties in Internet communication, and can be used to ensure the integrity and security of communication data. The main content of a digital certificate includes the serial number of the certificate, the validity period of the certificate, and the public key of the certificate owner. The owner of the digital certificate needs to digitally sign the communication data through the private key corresponding to the public key on the certificate to ensure the reliability and security of the communication data. Signature, you can check whether the communication data is legal and credible. [0003] Digital certificates are generally issued by an auth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/64G06Q20/38
CPCG06F21/64G06Q20/38215G06Q20/3825G06Q20/3829
Inventor 石宁甘子荣王晨旭丁勇
Owner 南京金宁汇科技有限公司
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