Patent ID: 11930008
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 1:
2. The method according to claim 1, wherein before the sending, by the network device, subscription information of the first terminal device to the first terminal device in the first access mode, the method further comprises:
sending, by the network device, a second random number to the first terminal device;
receiving, by the network device, second verification information sent by the first terminal device, wherein the second verification information is generated by the first terminal device based on the second random number and a second key; and
determining, by the network device, whether the second verification information matches third verification information, wherein the third verification information is generated by the network device based on the second random number and the first key; and
wherein the sending, by the network device, subscription information of the first terminal device to the first terminal device in the first access mode comprises:
in response to determining that the first device identifier matches the second device identifier, that the second verification information matches the third verification information, and that the network device receives the first acknowledgment information from the first terminal device, sending, by the network device, the subscription information of the first terminal device to the first terminal device in the first access mode.