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Supervisable zero-knowledge verification method, system and storage medium in blockchain

A verification method and verification system technology, which is applied in the field of zero-knowledge verification methods, systems and storage media, can solve the problems that the regulator cannot know the transaction details, cannot achieve supervision, etc., and achieve the realization of supervision requirements, correctness guarantee, and privacy protection Effect

Active Publication Date: 2022-05-17
南京可信区块链与算法经济研究院有限公司
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Problems solved by technology

For transactions that adopt zero-knowledge proof, the regulator cannot know the details of the transaction, which naturally fails to achieve the purpose of supervision

Method used

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  • Supervisable zero-knowledge verification method, system and storage medium in blockchain

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Embodiment Construction

[0052] The present invention will be further explained and described below in conjunction with the accompanying drawings and specific embodiments of the description. For the step numbers in the embodiment of the present invention, it is only set for the convenience of explanation and description, and there is no limitation on the order of the steps. The execution order of each step in the embodiment can be carried out according to the understanding of those skilled in the art Adaptive adjustment.

[0053] refer to figure 1 ,, the embodiment of the present invention provides a zero-knowledge verification method that can be supervised in the blockchain, including the following steps:

[0054] Generate a public-private key pair through the regulator, and broadcast the public key to the entire blockchain network;

[0055] According to the public key broadcast by the regulator and the transaction information between the first node and the second node, the prover generates the inf...

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Abstract

The invention discloses a zero-knowledge verification method, system and storage medium that can be supervised in the blockchain. The method includes: generating a public-private key pair through the supervisor, and broadcasting the public key to the entire network of the blockchain; The public key of the public key, and the transaction information between the first node and the second node, the proving party generates the information summary, certification file and encrypted ciphertext corresponding to the transaction information; the information summary, certification file and encrypted ciphertext are broadcast to The entire network of the blockchain; according to the above-mentioned certification documents, the legality of the transaction is verified by the verifier; according to the private key, the encrypted ciphertext is decrypted by the regulator to obtain the plaintext; according to the plaintext and the information summary, the Regulators conduct authenticity checks on transactions. The invention guarantees the privacy of the proving party, reduces the calculation amount of the verifying party, enables the supervisor to effectively realize the supervisory requirements, and at the same time ensures the correctness of information, and can be widely used in the technical field of blockchain.

Description

technical field [0001] The invention relates to the technical field of block chains, in particular to a supervisable zero-knowledge verification method, system and storage medium in block chains. Background technique [0002] In the blockchain, each transaction is essentially a general calculation, and the verification of the legality of the transaction is actually the correctness verification of the general calculation. The general calculation is converted into a computational logic circuit according to the calculation steps, and each circuit gate is constrained, and the constraints of all circuit gates are formalized and unified, and integrated to form a rank-one constraint system. Translating correctness of general computations into satisfiability of rank-one constrained systems. Transform the rank-one constraint system into a polynomial representation, and convert the correctness of general computing into the correctness of polynomials again. By sampling and verifying ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/40H04L9/08
CPCH04L63/12H04L63/0442H04L9/0861H04L9/50
Inventor 石宁王晨旭李达甘子荣
Owner 南京可信区块链与算法经济研究院有限公司
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