Patent ID: 11888894
Assignee: ORACLE INTERNATIONAL CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. A method for mitigating network function (NF) update and deregister attacks, the method comprising:
at a network function including at least one processor:
generating an NFRegister request including a hash of a first authentication string, an NF instance identifier, and an NF profile;
transmitting the NFRegister request to an NF repository function (NRF);
receiving, from the NRF, confirmation of registration of the NF profile with the NRF;
generating a first NFUpdate request;
including, in the first NFUpdate request, the NF instance identifier, the first authentication string, and a hash of a second authentication string;
transmitting the first NFUpdate request to the NRF;
receiving, from the NRF, confirmation of successful processing of the first NFUpdate request; and
generating a second NFUpdate request, including, in the second NFUpdate request, the second authentication string, and transmitting the second NFUpdate request to the NRF.