Key updating method, equipment and system for switching base station eNB in LTE (Long Term Evolution) system
A key update and key technology, applied in the field of communication, can solve the problems of not being able to obtain, eavesdropping on communication content, etc., and achieve the effect of good security
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[0094] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings of the specification.
[0095] Such as image 3 As shown, in the embodiment of the present invention, the key update procedure during the handover of the LTE base station eNB of the long-term evolution system may include:
[0096] Step 301: After receiving the handover request message from the source eNB, the target eNB transmits the NCC carried in the handover request message to the mobility management entity MME.
[0097] Step 302: The MME increments the received NCC, performs the first NH synchronization, increments the received NCC again, performs the second NH synchronization, and returns the two NH synchronization results and the corresponding NCC to the target eNB. In implementation, the increment of the received NCC can be incremented by a fixed-length value, that is, a fixed value is incremented each time, and the value is a natural number. Of cours...
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