AUSF
SAIR 5G EmpowersÂ
Authentication Server Function
Authentication Server Function (AUSF) is a 3GPP Release 16 compliant network function. Crucial for secured network access, the AUSF is responsible for the security procedure for SIM authentication using the 5G-AKA authentication method.
What is
Authentication Server Function in 5g ?
Authentication Server Function performs 5G authentication and Key Agreement method 5G AKA. AUSF also offers additional support to handle concealed or privacy-protected subscription identifiers.
What function does AUSF perform in 5G?
5G AUSF receives authentication requests from the Access and Mobility Management Function (AMF) and interacts with Unified Data Management (UDM) to obtain authentication vectors for processing 5G AKA authentication, and validates network responses to determine whether or not the authentication was successful. It also handles re-synchronization procedures as a part of 5G AKA authentication.
