Patent ID: 11924358
Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. The method according to claim 5, wherein the node comprises an organization node and a service provider node, and in accordance with a determination that the node is a service provider node, the receiving the public key of the node and registration information of the node comprises:
receiving the public key of the service provider node, the registration information of the service provider node, and permission information of an organization served by the service provider node;
in accordance with a determination that the digital certificate issuing center further comprises an authentication policy module, after the registration information is authenticated by using the authentication module, the method further comprises:
in accordance with a determination that the authentication succeeds, transmitting the permission information to the authentication policy module by using the authentication module for storage; and
wherein the private key query request comprises an identifier of the service provider node and an identifier of a node to which a key to be queried by the service provider node belongs, and the authentication succeeds in accordance with a determination that the authentication module determines, according to the permission information stored by the authentication policy module, that the identifier of the node to which the key to be queried by the service provider node belongs is the identifier of the organization served by the service provider node or the service provider node.