Method and apparatus for updating a key in an active state

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United States of America Patent

PATENT NO 9031240
APP PUB NO 20120307803A1
SERIAL NO

13587340

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Abstract

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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.

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Patent Owner(s)

  • HUAWEI TECHNOLOGIES CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, Min Shanghai, CN 325 1882
Yang, Yanmei Beijing, CN 159 451

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