DATA SHIELDING METHOD FOR UDF DISK, AND UDF DISK WITH ITS SOFTWARE RECORDED

摘要

PROBLEM TO BE SOLVED: To realize driver software for easily shielding and opening a file/sub- directory under a specific directory on a UDF disk without impairing the matching of universal disk format specifications, and without using any encrypting or decoding means. SOLUTION: A PC 30 and a UDF disk are constituted of a readable/writable drive 31 and a UDF disk 32. This driver software is constituted as data conversion driver software (conversion driver) 33 to be used after installed in the PC 30 so that data to be transmitted and received between a UDF application 34 and the drive 31 can be automatically converted.