Patent ID: 11870904
Assignee: NANHU LABORATORY
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC H

Claim 1:
2. The method according to claim 1, wherein, in S1, when the user host (Host_User) is located within a range of the data provider in the deployment stage, the deploying the base key (User_Base_Key) for the user host (Host_User) comprises:
A1) generating, by the data provider, the base key (User_Base_Key), and storing it;
A2) starting, by the user host (Host_User), the privacy computing-based data user application (App_user), and reading, by a privacy computing trusted environment, the base key (User_Base_Key) stored by the data provider;
A3) sealing the base key to the user locally based on the trusted sealing technology.