Information storage device

This encryption magnetic disk device can use a user password and a manufacture password as access restriction passwords. An encoding processing unit can encrypt user data, and a decoding processing unit can decrypt the encrypted user data. When its lock is canceled by a user password, the encryption...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	TODA SEIJI
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	This encryption magnetic disk device can use a user password and a manufacture password as access restriction passwords. An encoding processing unit can encrypt user data, and a decoding processing unit can decrypt the encrypted user data. When its lock is canceled by a user password, the encryption magnetic disk device outputs the user data in a plain text. When its lock is canceled by a manufacturer password, the encryption magnetic disk device encrypts and outputs user data.