CONTROL STANDARD MAKING METHOD, CONTROL STANDARD MAKING SYSTEM, AND MEDIUM

摘要

PROBLEM TO BE SOLVED: To enable detecting an illegal terminal device before damage occurs more surely than conventional one. SOLUTION: When data is required from a VTR device 1030 and the like having respective intrinsic EU 164 to STB 120, a certification means 211 performs certification based on the prescribed control standard about their data request, it is decided whether required data is transferred from STB 120 to the VTR device 1030 performing request or not in accordance with the certification result, and a data request history information storing means 212 sends data request history information including EU 164 of the VTR device to a control device 110 in accordance with the certification result. The control device discriminates whether the VTR device 1030 is a regular one or not by the prescribed discrimination standard utilizing the data request history information, makes CRL based on the certification result, and sends it to the SBT 120.