User-based secure digital content durability service support OSMU

The rapid advancement of the internet is changing in the form of knowledge information service. The previous service, which was the provideroriented passive service model that supplies one-content from one device, evolves into the user-oriented active knowledge information service, therefore, the service provider provides the environment for the customers and the users create, distribute and manage the content based on various devices. Accordingly, a special service depending on each of forms is needed for mutual-sharing the information between various devices around the users. Therefore, in this study, for providing the digital content service between various user-oriented devices with the durability, by using the positional information of surrounding devices around the service provider and supplying mutual authentication service between the users, the device registered by the user in advance and the secured communication connection, we try to provide continuous service durability among various user-oriented devices.