| 摘要 |
A security capability negotiation method is applicable to perform security capability negotiation during a mobile network handover. The method includes the following processes: a second network receives a handover request sent by a first network; an access network entity of the second network selects a corresponding security capability, or an access network entity and a core network (CN) entity of the second network respectively select a corresponding security capability; the second network sends the selected security capability to a user equipment (UE) via the first network. Moreover, a security capability negotiation system is also provided. Consistent with the provided system and method, it may be unnecessary for the MME to know the security capability of the corresponding eNB in a certain manner during a handover from a 2G/3G network to an LTE network. Meanwhile, during the handover from the LTE network to the 3G network, the SGSN does not need to introduce new requirements. |
