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Annular confidential service method based on quantum resistance

A business method, circular technology, applied in the field of blockchain

Pending Publication Date: 2021-08-06
上海零数众合信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the emergence of quantum computers, the security of traditional public key cryptography, one of the underlying security support technologies of the blockchain, will be severely challenged

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0008] Embodiment: This embodiment specifically illustrates the content of the quantum-resistant ring secrecy service method:

[0009] The ring secrecy business method based on quantum resistance is applied to the blockchain system, and the blockchain system includes point transfer nodes, transfer coordination nodes, and verification nodes;

[0010] Point transfer nodes are users who need to transfer points; transfer coordination nodes are other users in the blockchain system selected by point transfer nodes; transfer coordination nodes include the first transfer coordination node, the second transfer coordination node, ..., The Nth transfer coordination node, N is the number of transfer coordination nodes, N is determined by the point transfer node; the verification node is a node with voting rights in the blockchain system;

[0011] The processing steps of the ring secrecy service method based on quantum resistance include:

[0012] Step 1: The point transfer node selects N...

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PUM

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Abstract

The invention relates to an annular confidential service method based on quantum resistance, which is characterized in that a brand new protocol mode with quantum resistance is developed by taking a block chain technology and lattice-based cryptography as supports and integrating linkable ring signatures, homomorphic commitment schemes and range proof. In the integral transfer process, bidirectional encryption is realized, the identity of a sender is anonymized, a service name is hidden, the method can also be applied to many other fields with extremely high service privacy requirements, and meanwhile, encrypted communication between a block chain and a non-block chain distributed account book is also realized.

Description

technical field [0001] The invention relates to the technical field of block chains, and relates to a ring-shaped confidential business method based on quantum resistance. Background technique [0002] With the emergence of quantum computers, the security of traditional public key cryptography, one of the underlying security support technologies of the blockchain, will be severely challenged. One can easily calculate the key from the public key presented by the Bitcoin business, and when the business broadcasts to the network, the business is at risk until it is incorporated into the blockchain. The attacker may intercept the business, obtain the public key and calculate the corresponding key, then modify the content of the business and generate a valid signature for the modified business. If the new transaction generated by the attacker is included in the blockchain before the original transaction, the attacker can steal bitcoins from the original output address. Content...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L9/00H04L9/08H04L29/06H04L29/08
CPCH04L9/3255H04L9/008H04L9/0852H04L63/0421H04L67/1097
Inventor 林乐兰春嘉
Owner 上海零数众合信息科技有限公司