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Based on symmetrical encryption and signature, an efficient authentication key agreement protocol was proposed in this paper. The security analysis of the proposed protocol in the implementation plan with the Canetti-Krawczyk model is presented. The results showed that the proposed protocol was session-key secure with perfect forward secrecy, known key security and no key compromise impersonation. Moreover, the implementation of the protocol was just twice communications, once signature and once symmetrical encryption, it could be an efficient authentication method between users in wireless network.