On -vehicle flexRay safe data transmission device based on FPGA

The utility model discloses an on -vehicle flexRay safe data transmission device based on FPGA, its the device include that flexRay bus agreement processing module, data add decryption module, key distribution module. The utility model relates to a solve that the encryption method of utilizing hardware realizes on -vehicle safe data transmission and the on -vehicle flexRay safe data transmission device based on FPGA that provides, the device can realize utilizing flexRay bus agreement to transmit on -vehicle data well to guarantee transmitting data's security and real -time. The utility modeldiscloses utilize hardware encryption's method to carry out the encryption to transmitting data, its encryption is fast, and the degree of safety height can satisfy on -vehicle data to the requirementof reliability with the real -time. Adding the key distribution module simultaneously and being used for carrying out the used key of data communication production encryption with other devices, developments produce the key,