DATA ACCESS DEVICE

PROBLEM TO BE SOLVED: To provide a data access device capable of enhancing the security of data. SOLUTION: The LBA start sector number of a PBR area acquired by an information acquiring part 2 is added with the predetermined number of sectors, and the addition result is overwritten in an MBR area so...

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Bibliographische Detailangaben
Hauptverfasser:	SUGIURA HIROHIKO, MATOBA NARIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a data access device capable of enhancing the security of data. SOLUTION: The LBA start sector number of a PBR area acquired by an information acquiring part 2 is added with the predetermined number of sectors, and the addition result is overwritten in an MBR area so that a hidden area can be set between the MBR area and the PBR area. Thus, it is possible to store secrecy data in an area non-accessible from any other data access device, and to improve the security of data as a result. COPYRIGHT: (C)2005,JPO&NCIPI