Signaling for reposition and data ciphering method, system and radio network controller
A wireless network and data encryption technology, which is applied in the field of mobile communication, can solve problems such as unequal key streams and inability to perform encrypted communication, and achieve the effect of encrypted communication
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[0057] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0058] The core of the present invention is to provide a method for relocation signaling and data encryption. Specifically, the SRNC initializes the saved COUNT-C and fills it into the RRC container. The implementation method is that when there is a new encryption configuration that has not been activated, SRNC initializes its saved COUNT-C with the latest transmitted START value or 0 according to the state of the key value and fills it in the RRC container. After the relocation is completed, TRNC will use RRC The encrypted information such as HFN and SN (or CFN) of the container encrypts the signaling and user data, so that the key stream at the TRNC side is the same as the key stream generated after the UE side initializes the HFN, and then...
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