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English to Russian translations [PRO]
Tech/Engineering - Telecom(munications) / key derivation method, device and system | | English term or phrase: NAS downlink COUNT | значение NAS downlink COUNT используется в качестве входного параметра функции выработки ключа при передаче обслуживания UE из сети EUTRAN в сеть UTRAN
текст из патента Китая
Taking the handover of a UE from an EUTRAN to a UTRAN as an example, a base station (BS) originally serving the UE in the EUTRAN (referred to as a source BS for short below) initiates a network handover process; a Mobility Management Entity (MME) associated with the source BS, namely a source MME, derives a key CK' || IK' of the UE in a target network according to a Key Derivation Function (KDF), an input parameter, namely a root key Kasme, and Non-Access Stratum (NAS) downlink COUNT value in the current security context, and sends the derived key to the target UTRAN; the target network decides a security algorithm for the UE and returns the security algorithm to the UE; and the UE synchronizes the key with a target network side according to the security algorithm. |
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  sas_proz
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