| 摘要 |
PURPOSE: A system and method for securing an output document are provided to search an outputting person through location information of a concealment code and concealment code information by not enabling an outputting person to recognize a concealment code. CONSTITUTION: A concealment code setting unit(200) sets location information of the concealment information and concealment code information which is printed to a letter of a document printed from a host. A concealment code transforming unit(300) converts a letter of a document printed form the host into concealment code according to the concealment information and the location information of the concealment code. A concealment code information processing unit(100) stores the converted concealment code information, location information of the concealment code information and outputting person information in a printed document security database(100). |
