Safety authentication and data communication system between internet of things equipment

The invention relates to the technical field of the communication security, especially a safety authentication and data communication system between internet of things equipment. The system comprisesa data injection system for producing IDs, certificates, and public and private key pairs of credible internet of things equipment, and commonly injecting the IDs, the certificates, the public keys and the private keys and the public key of the data injection system into the credible internet of things equipment; the credible internet of things equipment for storing various data sent by the data injection system, wherein the IDs, the certificates and the public and private key pairs between various credible internet of things equipment are different except that the public key of the data injection system is same in the data stored in different credible internet of things equipment. Through the technical scheme disclosed by the invention, the data storage security is improved, the maliciousattack is prevented, and