In case of conflict on the IT device product, it would be used the source code to verify the ownership. but it is general things for illegal user not to submit his own code for shielding them. On the embedded system, it is figured out for the device to have kernel as Operating system and application program with any languages.
It is hard to verify these system which has OS and app in general approach on illegal usage. There are many difficulties on analisys as the difference to algorithm and language and operating system, especially comparision result can not be guaranties by the open source on Linux OS. In this paper, we estimated the comparision result with whole kernel source code.