LICENSE MANAGEMENT SYSTEM, LICENSE MANAGEMENT DEVICE, RELAY DEVICE AND TERMINAL DEVICE

摘要

A management device 10 of a license management system 1 acquires a usage request of a content from an SD card 40 or a printer 50 via a relay device 30, analyzes the acquired usage request, acquires usage environment information of the SD card 40 or the printer 50 from the relay device 30, analyzes the acquired usage environment information, generates license information including a usage rule corresponding to the analysis results of the usage request and the usage environment information, generates instruction information indicating how to handle the license information in the relay device based on the analysis result of the usage environment information, embeds the generated instruction information in the license information, and sends the license information to the relay device 30. The relay device 30 receives the license information in which the instruction information is embedded, and transfers the received license information to the SD card 40 or the printer 50 according to the instruction information which is embedded in the license information with performing certain processing or without performing any processing to the license information.