| 摘要 |
A method of establishing authentication keys at both a network and mobile equipment are provided. The authentication key generated by the mobile equipment is based on both mobile keys and network keys, which are each calculated by the mobile equipment. The authentication key generated by the network is based on both mobile keys and network keys, which are each calculated by the network. The mobile keys are calculated from a challenge generated by the mobile equipment and the network keys generated by the mobile based on a challenge generated by network.
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