METHOD FOR GENERATING STANDARD FILE BASED ON STEGANOGRAPHY TECHNOLOGY AND APPARATUS AND METHOD FOR VALIDATING INTEGRITY OF METADATA IN THE STANDARD FILE

摘要

An apparatus for validating integrity of metadata in a standard file includes: a metadata acquiring unit for acquiring metadata from a protected file; an integrity evidence value acquiring unit for acquiring an integrity evidence value from a file or a database; a secret information extracting unit for extracting secret information of a file data; and a metadata integrity validating unit for checking if the metadata is correct by using the acquired metadata, the acquired integrity evidence value, and the extracted secret information.