DLMS DLMS DLMS DLMS SERVER DLMS CLIENT AND METHOD FOR DLMS COMMUNICATION SECURITY

摘要

A DLMS server, DLMS client, and DLMS communication security method are disclosed. A DLMS server according to the present invention includes a server communication unit for receiving an authentication request message from a DLMS client, a server message processing unit for processing the authentication request message to perform a first authentication process, And transmits a second authentication value generated when the first authentication value is successfully verified to the DLMS client, performs a second authentication process, decrypts the information request message received from the DLMS client, And a server security algorithm unit for reprocessing the information response message generated by the processing unit and transmitting the information response message to the DLMS client.