Blacklist sharing method and device, computer device and storage medium

Abstract

The invention relates to the field of block storage areas, in particular to a blacklist sharing method and device, a computer device and a storage medium. The method comprises: obtaining a blacklist obtaining request sent by a query terminal, the blacklist obtaining request carrying a query identifier, and verifying the access permission of the query terminal according to the query identifier; obtaining a first encrypted blacklist corresponding to the blacklist obtaining request from a block chain storing the blacklist when the access permission of the query terminal passes verification; identifying uploading party information corresponding to the first encryption blacklist, generating an authorization verification request according to the uploading party information, and sending the authorization verification request to a query terminal; receiving an authorization certificate returned by the query terminal according to the authorization verification request, and decrypting the obtained first encryption blacklist according to the authorization certificate to obtain a query blacklist; and sending the query blacklist to a query terminal. By adopting the method, safe circulation of blacklist data among multiple enterprises can be effectively realized.

Description

technical field [0001] The present application relates to the technical field of blacklist sharing, in particular to a blacklist sharing method, device, computer equipment and storage medium. Background technique [0002] The user blacklist generated in the transaction business of financial enterprises is very important data, which can help enterprises to predict and avoid risks when dealing with business. Some enterprises will also share their own user blacklist with other partners during the cooperation process. [0003] The traditional blacklist sharing method in the industry usually involves two parties, the data sender and the data receiver. The sender sends the blacklist data to the receiver, and usually adopts data encryption to protect the transmitted data during the transmission process; however, when more than two parties are involved When blacklists are shared among enterprises, due to the complex cooperation between enterprises, the traditional method of blacklis...

AI Technical Summary

Problems solved by technology

[0003] The traditional blacklist sharing method in the industry usually involves two parties, the data sender and the data receiver. The sender sends the blacklist data to the receiver, and usually adopts data encryption to protect the transmitted data during the transmission process; however, when more than two parties are involved When sharing blacklists between enterprises, due to the complex cooperation between enterprises, the traditional method of blacklist sharing cannot effectively realize the safe circulation of blacklist data among multiple enterprises

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