A security method of communication network for Internet appliance using matching of variant protocol and disposable index key value

摘要

The present invention relates to a communication network security method for an IoT apparatus using matching of a variant protocol and a disposable index key value, wherein a variant protocol is generated by changing a specific frame index number of plain text data transmitted from the IoT apparatus to a server, The index number of the variant protocol is matched in a time-synchronous manner with the one-time index key value generated by the server at a time difference so as to continuously generate and send the one-time index key value (S1) to generate mutual communication (S1), generating a variant protocol ( S2), extracting valid data (S3).