Electronic contract signing method and system, storage medium and computing equipment

Abstract

The invention relates to a contract signing method based on a block chain, and the method is applied to nodes of a first node set, the first node carries out the identity authentication through a server, applies for a digital certificate, and sends a contract signing request to the server; the server receives the contract signing request, generates a first public and private key pair and sends the first public and private key pair to a first node; the first node signs a contract by using a first public and private key, wherein contract summary information comprises a contract serial number, signing time, a transaction ID, a hash value and the like; the server randomly generates a second public key, and the second public key performs secondary signature on a contract to generate an encrypted file; the server receives a contract verification request of a second node, generates a third public and private key pair and sends the third public and private key pair to the second node; the second node performs contract signature verification by using the third public and private key to complete contract encryption signature; the invention further provides a contract signing system based on the block chain, a computer readable storage medium and computing equipment.

Description

technical field [0001] This application relates to the technical field of blockchain, in particular to a blockchain-based contract signing method, system, storage medium and computing equipment Background technique [0002] Blockchain is widely used in various fields due to its characteristics of decentralization, non-tampering and traceability. Based on the blockchain, users can upload data to their own nodes, including pictures, audio, video, etc. At the same time, they need to upload their own digital certificates. In addition to storing a large amount of transaction data, nodes also need to store a large number of smart contracts. Node synchronization pressure is relatively high big. [0003] In some current related technologies, most electronic contracts use the public key of the contract initiator and receiver to encrypt the file, and the private key to decrypt the file. Once the private key is lost, the file will not be decrypted, making the contract signing process ...

AI Technical Summary

Problems solved by technology

[0003] In some current related technologies, most electronic contracts use the public key of the contract initiator and receiver to encrypt the file, and the private key to decrypt the file. Once the private key is lost, the file will not be decrypted, making the contract signing process difficult. Impossible, affecting the efficiency of electronic contract signing;

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