MANAGEMENT METHOD FOR INTEGRITY OF OPTICAL DISK

摘要

PURPOSE: A management method for the integrity of an optical disk is provided to save time and improve the reliability of data by quickly confirming the integrity of optical disk information. CONSTITUTION: A management method for the integrity of an optical disk comprises: a first step of creating a management number allocated as internal information of an optical disk to be managed based on the creation date, volume name, and total data size of the optical disk(S12); a second step of creating integrity information using a hash function about the internal data of the optical disk(S13,S14); a third step of storing the management number and the integrity information obtained through the first and second steps(S15); a fourth step of creating a management number allocated as internal information of an optical disk to be verified based on the creation date, volume name, and total data size of the optical disk; a fifth step of obtaining integrity information managed in connection with the management number; a sixth step of creating integrity information about the internal data of the optical disk to be verified; and a seventh step of comparing the integrity information created through the fifth and sixth steps.