METHOD FOR GENERATING CONTENT IDENTIFIER FOR PREVENTING ALTERATION AND APPARATUS FOR THEREFOR

摘要

A method for producing a contents descriptor including one or more random number in order to prevent modulation is provided to prevent falsification of the contents description by generating the contents description including one or more random number. At least one random number is generated(410). Location information is generated for designating a plurality of locations within contents by using random number(420). A plurality of content parts corresponding to the generated location information are extracted from content(430). The integrity verification value is generated based on content parts(440). The contents identifier including the integrity verification value and generated one or more random number is generated(450).