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By analyzing current design methods of the security protocols and the replay attacks on the security protocols, a building approach for the message blocks of attack-resistant security protocols is proposed based on the environment binding idea. Firstly, the environment parameters and their values are defined. Then, the building method of the message blocks is described, and the attack-resistant abilities of this approach are analyzed. Finally, an application using the approach is given. It is shown that the security protocols applying this approach can avoid replay attacks and some other types of attacks.