Patent ID: 11943615
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. A terminal in a wireless communication system, the terminal comprising:
a transceiver configured to transmit and receive a signal;
a universal integrated circuit card (UICC); and
a controller coupled with the transceiver and configured to:
identify a first certificate issuer (CI) public key identifier,
obtain, from the UICC, UICC information including a first list of public key identifiers associated with the UICC,
identify a second list based on the first list of the public key identifiers associated with the UICC, wherein the second list comprises at least one public key identifier except a public key identifier that does not match the first CI public key identifier in the first list of the public key identifiers associated with the UICC, and
transmit, to a server, a first message for initiating an authentication, the first message including the second list.