Apparatus for controlling the using of broadcasting program and method for the same

PURPOSE: A broadcast signal receiving device for controlling a broadcast program using a signature of program information and a method thereof are provided to control the use of a broadcast program using a signature included in program information. CONSTITUTION: A communication unit(210) receives a broadcast signal. An extracting unit(220) extracts a broadcast program and program information from the received broadcast signal. A determining unit(230) generates a signature for verification to check whether the program information is changed from the extracted program information. The determining unit compares the signature of the extracted program information with the signature for the verification. The determining unit determines the validity of the program information.