Authentication Service

UDM UE Authentication service supports authentication procedure as described in 33.501 section 6.1.3. This authentication service:

• Processes authentication request from AUSF by obtaining

  the provisioned authentication method, authentication keys from the UDR for 5G-AKA and computing the authentication vectors.
• Updates the subscriber profile in UDR with the authentication status after the completion of the authentication procedures as defined in 29.509 and 29.503.
• Supports re-synchronization procedure as described in 33.501 section 6.1.3
• Supports SIDF functionality, which further:
  • Performs SUCI to SUPI conversion
  • Supports all 3 protection schemes
  • • null-scheme
    • profile A
    • profile B
  • Stores HN Public Key ID and HN private key mapping in the HN_SIDF_PRIVATE_KEY_TABLE table.

For more information, refer to UDM UE Authentication Service User configuration parameters in UDM Installation Guide.