LoRa encryption authentication gateway device and system

The utility model discloses a LoRa encryption authentication gateway device and system, and the device comprises a control module which is used for operating data collection, generating a public and private key pair, carrying out the identity authentication, carrying out the key negotiation to generate a session key, encrypting and decrypting a message, and operating a LoRa wireless receiving andtransmitting function; the LoRa wireless receiving and transmitting module is in communication connection with the control module, modulates and demodulates the radio frequency signal and realizes message receiving and transmitting with the remote LoRa wireless receiving and transmitting module; the data acquisition module is in communication connection with the control module and is also connected with the sensor interface so as to transmit the data acquired by the sensor to the control module; and the storage module is in communication connection with the control module so as to store the public and private key pair