Certificate-based local UE authentication

• Main Authors: Schneider, Peter, Mavureddi Dhanasekaran, Ranganathan
• Format: Patent
• Language: English
• Published: 05.12.2023
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION; WIRELESS COMMUNICATIONS NETWORKS

According to an example aspect of the present invention, there is provided a method comprising: generating a certificate comprising an identifier of a base station, a public key of the base station, and a public key of a terminal; signing the certificate by a signature based on a private key belonging to the public key of the base station; sending the signed certificate to the terminal using an established security association; monitoring whether the base station receives a request for local authentication of the terminal, wherein the request comprises an encrypted certificate unit and a base station identifier; checking whether the base station identifier is the identifier of the base station and, if it is, decrypting the encrypted certificate unit using the private key; and using the public key of the terminal for a communication with the terminal if the certificate unit comprises the signed certificate.