CPC H04L 63/1466 (2013.01) [H04L 9/3242 (2013.01); H04L 63/20 (2013.01); H04W 8/24 (2013.01); H04W 12/04 (2013.01); H04W 12/06 (2013.01); H04W 12/08 (2013.01); H04W 12/106 (2021.01); H04W 12/125 (2021.01)] | 20 Claims |
1. A mobile communication method, comprising:
sending a first user equipment (UE) security capability of a UE to a mobility management entity;
receiving a non-access stratum (NAS) security mode command message from the mobility management entity, wherein the NAS security mode command message carries a second UE security capability;
verifying integrity of the NAS security mode command message and whether the second UE security capability is consistent with the first UE security capability; and
after successfully verifying both the integrity of the NAS security mode command message and the second UE security capability is consistent with the first UE security capability, sending UE capability information in a security protected NAS message to the mobility management entity, wherein the UE capability information indicates a service that can be used by the UE.
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