APPARATUS AND METHOD FOR PROCESSING SECURITY INFORMATION

摘要

A method and an apparatus for processing security information using channel code encoding are disclosed. The apparatus for processing the security information comprises: a security area setting unit for setting a security area which includes information necessary for security from input digital original data; an encoding unit performing distributed source coding (DSC) of a channel code for the digital information that corresponds to the security area; and an additional information insertion unit for inserting parity information for the digital information generated by DSC into the digital original data. [Reference numerals] (100) Apparatus for processing security information; (101) Digital converting unit; (102) Security area setting unit; (103) Channel code encoding unit; (104) Additional information insertion unit; (105) Printing unit; (AA) Analog original text; (BB) Digital original text; (CC) Analog distributed documents including the additional information; (DD) Digital distributed documents including the additional information