Important to note that the encryption you mention applies to user data traveling between the UE and the eNodeB. Some control plane data between the UE and eNB i

Important to note that the encryption you mention applies to user data traveling between the UE and the eNodeB. Some control plane data between the UE and eNB is unencrypted and no encryption of user data is done between the eNB and the network (unless it’s done at a higher layer).