Internet of Things data security method, system and device based on domestic TCM

The invention discloses an Internet of Things data security method, system and device based on a domestic TCM, and relates to the technical field of network security. The method is realized by establishing a security mechanism. The security mechanism comprises a credible authentication mechanism based on the domestic TCM, a digital signature mechanism based on the domestic TCM, an identity authentication process mechanism based on the domestic TCM, a node equipment identity authentication process mechanism, a sensing layer node identity authentication process mechanism and a data encryption transmission mechanism, and the system comprises a credible authentication module based on the domestic TCM, the method comprises a domestic TCM-based digital signature module, a domestic TCM-based identity authentication module, a node equipment identity authentication module and a sensing layer node identity authentication module, and the device comprises the device and the equipment used by the method. According to the