Provable Secure Authentication Protocol Based on CPK and Improved ECDH Algorithm

Since ECDH was easily suffered from man-in-the-middle attack,a provable secure improved ECDH in the Canetti-Krawczy(CK) model was presented.Combined with CPK,a security and efficient fast authentication protocol was devised based on the modular approach of Canetti-Krawczyk(CK) model.It also designed and improved a message transmission authenticator in which the key of symmetric encryption algorithm was dynamically generated.It realized session key association and confirmation meanwhile mutual authentication.Analysis shows it has better security and performance.