43.020: Security related network functions

Info Page @ 3GPP
Rel-13
v13.2.0
Rel-12
v12.1.0
Rel-11
v11.2.0
Rel-10
v10.2.0
Rel-9
v9.2.0
Rel-8
v8.0.0
Rel-7
v7.3.1
Rel-6
v6.5.1
Rel-5
v5.4.0
Rel-4
v4.5.0