The method and device for updating the key in the active state

作者: Yanmei Yang , Min Huang

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摘要: A method for updating a key in an active state is disclosed according to the embodiments of present invention. The includes steps of: initiating update by user equipment or network side when pre-defined condition met; and equipment, negotiating activation time new keys. An apparatus also With invention, may actively initiate procedure different cases, thereby solving problem concerning session state.