Patent ID: 11956361
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 19:
20. The system of claim 19, wherein the one or more first processors are further configured to execute the first instructions to cause the first network function network element to send a second request message to the second network function network element, wherein the second request message requests to invoke the first network function service provided by the second network function network element, wherein the second request message carries the token, wherein the token further comprises a digital signature, wherein the system further comprises the second network function network element, and wherein the second network function network element comprises:
one or more third processors; and
a third memory coupled to the one or more third processors and configured to store third computer-executable instructions that, when executed by the one or more third processors, cause the second network function network element to:
verify the digital signature; and
send a service response message to the first network function network element when the digital signature is verified successfully.