Patent ID: 11888982
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. The method of claim 15, wherein the first rekey response carries a no proposal chosen notification when there is a change in the cryptographic suite associated with the second network device;
receiving, by the second network device, a second rekey request from the first network device for rekeying the SA carrying the first SPI and the cryptographic suite associated with the first network device;
sending, by the second network device, a second rekey response which carries the second SPI and carries the cryptographic suite associated with the second network device when there is a change in the cryptographic suite associated with the second network device and the second network device selects a cryptographic suite in the cryptographic suite associated with the first network device as the cryptographic suite associated with the second network device;
the rekeying the SA by the second network device is further performed according to the selected cryptographic suite.