DATA SHARING METHOD, CLIENT, SERVER, COMPUTING DEVICE, AND STORAGE MEDIUM

This application provides a data sharing method, including: encrypting a piece of plaintext data according to a key, to obtain encrypted data; uploading the encrypted data to a block of an information sharing system, the information sharing system being a blockchain system; uploading a first part of the key to an access authorization server corresponding to the information sharing system; receiving, from the access authorization server, an authorization code corresponding to the encrypted data; and transmitting the authorization code and a second part of the key to a second client of a user in a case that the user is authorized to access the encrypted data, the second part of the key including a remaining part of the key except the first part. This application further provides a corresponding client, a server, a computing device, and a storage medium.