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

Claim 3:
4. The method according to claim 3, wherein before the receiving a first random session key that is encrypted by using a public key of the private key management module by the node, the method further comprises:
receiving, by using the authentication module, a request to obtain a digital certificate of the private key management module transmitted by the node; and
transmitting the digital certificate of the private key management module to the node according to the digital certificate obtaining request by using the authentication module, the digital certificate of the private key management module comprising a signature formed by using the private key of the authentication module, for the node to perform verification by using the public key of the authentication module after receiving the digital certificate of the private key management module.