SEMICONDUCTOR STORAGE DEVICE

SEMICONDUCTOR STORAGE DEVICE

PROBLEM TO BE SOLVED: To provide a semiconductor storage device that is protected from leakage or alteration of information without using a complicated procedure even when a plurality of users shares the device. SOLUTION: This semiconductor storage device has: a first storage part 104 having a plura...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: TAKAHASHI SATORU, SUDA TAKANARI, KASAHARA SATOSHI
Format: Patent
Sprache:eng
Schlagworte:
ADVERTISING
CALCULATING
CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY
COMPUTING
COUNTING
CRYPTOGRAPHY
DISPLAY
EDUCATION
ELECTRIC DIGITAL DATA PROCESSING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
SEALS
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a semiconductor storage device that is protected from leakage or alteration of information without using a complicated procedure even when a plurality of users shares the device. SOLUTION: This semiconductor storage device has: a first storage part 104 having a plurality of divided security areas each holding data; a second storage part 105 holding management information for accessing the security area and associated with each of the plurality of security areas; and a control controller 107 collating input information input to access the first storage part with the management information held in the second storage part, and allowing the access to the security area associated with the management information corresponding to the input information. COPYRIGHT: (C)2010,JPO&INPIT