Invention Grant
- Patent Title: Method and apparatus for updating a key in an active state
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Application No.: US14674155Application Date: 2015-03-31
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Publication No.: US10057769B2Publication Date: 2018-08-21
- Inventor: Yanmei Yang , Min Huang
- Applicant: HUAWEI TECHNOLOGIES CO., LTD.
- Applicant Address: CN Shenzhen
- Assignee: HUAWEI TECHNOLOGIES CO., LTD.
- Current Assignee: HUAWEI TECHNOLOGIES CO., LTD.
- Current Assignee Address: CN Shenzhen
- Agency: Huawei Technologies Co., Ltd.
- Priority: CN200710151885 20070928
- Main IPC: H04L29/06
- IPC: H04L29/06 ; H04W12/06 ; H04W12/04 ; H04L9/08 ; H04W12/08

Abstract:
A method for updating a key in an active state is disclosed according to the embodiments of the present invention. The method includes steps of: initiating a key update by a user equipment in the active state or a network side when a pre-defined condition is met; updating the key by the network side and the user equipment, and negotiating an activation time of the new keys. An apparatus for updating a key in an active state is also disclosed according to the present invention. With the present invention, the user equipment in an active state and the network side may actively initiate the key update procedure in different cases, thereby solving the problem concerning the key update for a session in an active state.
Public/Granted literature
- US20150208240A1 METHOD AND APPARATUS FOR UPDATING A KEY IN AN ACTIVE STATE Public/Granted day:2015-07-23
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