DIGITAL INFORMATION SECURITY METHOD AND SYSTEM THEREFOR

摘要

PURPOSE: A digital information security method and system therefor is provided to prevent an unlawful use in an internal portion for a digital information security of important documents, data, and program. CONSTITUTION: A user application tool(214) is installed in a user terminal for generating an intrinsic key of a corresponding user using system intrinsic information of the user terminal. A data storing unit(140) stores user information and digital information. A user management tool(132) is installed in a server, and receives the user intrinsic key generated in the user application tool(214) and stores the received user intrinsic key as a part of corresponding user information in the data storing unit(140), and compares the stored user intrinsic key with a user intrinsic key of a current authenticated user provided from the user application tool(214).