Device Certification System and Method for User's Convenient Contents Use

A various terminal technology developed becoming ubiquitous society. In this paper, it is thing about device certification system and device certification method. This method is that user can use contents offering about holding many devices through registration of once in preceding descriptions many devices more detail. Therefore, because this invention achieves registration process of once without each registration process about many device that user holds, there is effect that contents use is convenient simplifying certification formality being in contents use.