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Anti-quantum computing implicit certificate issuing method and system based on alliance chain

An implicit certificate, quantum computing technology, applied in the field of anti-quantum computing implicit certificate issuance method and system, which can solve the problem of high risk of being attacked by DOS

Active Publication Date: 2020-01-07
RUBAN QUANTUM TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 3. The implicit certificates of all users need to be maintained by a central server similar to CA, and the risk of being attacked by DOS is high

Method used

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  • Anti-quantum computing implicit certificate issuing method and system based on alliance chain
  • Anti-quantum computing implicit certificate issuing method and system based on alliance chain
  • Anti-quantum computing implicit certificate issuing method and system based on alliance chain

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Embodiment Construction

[0057] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0058] In order to better describe and illustrate the embodiments of the application, reference may be made to one or more drawings, but additional details or examples used to describe the drawings should not be regarded as an invention of the application, the presently described implementation limitations on the scope of any of the examples or preferred modes.

[0059] It should be understood that, unless otherwise specified herein, the steps are not strictly...

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Abstract

The invention relates to an anti-quantum computing implicit certificate issuing method and system based on an alliance chain implemented among alliance chain members communicating with each other. Thealliance member comprises a client and a server. The invention is characterized in that each party is configured with a key fob; algorithm parameters and server public key pools are stored in secretkey cards; the secret key cards of the server store a server secret sharing private key pool and a client public key pool. Client units in one-to-one correspondence with clients are stored in the client public key pool. Each client unit comprises a user name, an identity label, a public key updating state and an implicit certificate of the corresponding client, private key parameters are stored in a secret sharing mode, and safety is further improved.

Description

technical field [0001] This application relates to the field of consortium chains, in particular to a method and system for issuing quantum-resistant implicit certificates based on consortium chains. Background technique [0002] Blockchain is a brand-new distributed infrastructure and computing paradigm. It uses an ordered chained data structure to store data, uses consensus algorithms to update data, and uses cryptography to ensure data security. In blockchain-based transactions, ensuring the data security of transactions and the privacy of customers is a necessary condition for the further development of blockchain. For this reason, cryptography technology, especially public key cryptography, has been widely used in blockchain. The alliance chain is a branch of the blockchain, so it is also a distributed and decentralized public database. The difference from other chains is that it is aimed at members of specific groups and limited third parties. A pre-selected node is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/06H04L9/08H04L9/32
CPCH04L9/0852H04L9/0643H04L9/0869H04L9/3263H04L9/3265H04L9/50
Inventor 富尧钟一民杨羽成
Owner RUBAN QUANTUM TECH CO LTD
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