METHOD AND APPARATUS FOR PROTECTING A PASSWORD OF A COMPUTER HAVING A NON-VOLATILE MEMORY

METHOD AND APPARATUS FOR PROTECTING A PASSWORD OF A COMPUTER HAVING A NON-VOLATILE MEMORY

A method for protecting a password of a computer having a non-volatile memory is disclosed. A password is stored in a non-volatile memory of a computer. The computer is then transitioned to a power saving state. In response to a detection of an unauthorized access to the non-volatile memory during t...

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Bibliographische Detailangaben
Hauptverfasser: KASAMATSU EITAROH, HAGIWARA MIKIO, ARAKI NAOYUKI, TSUKAMOTO YASUMICHI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A method for protecting a password of a computer having a non-volatile memory is disclosed. A password is stored in a non-volatile memory of a computer. The computer is then transitioned to a power saving state. In response to a detection of an unauthorized access to the non-volatile memory during the power saving state transition, a password input is requested from a user. The computer returns to a power-on state from the power saving state when there is a success in authentication of the input password.