METHOD FOR SECURING ELECTRONIC DEVICE, SECURITY SYSTEM, AND ELECTRONIC DEVICE

PROBLEM TO BE SOLVED: To provide a method for securing the trustworthiness of an electronic device by performing setting so as to make a predetermined program function only in a predetermined electronic device. SOLUTION: At least first check-up data (DID, S1, PK1) and second check-up data (S2, PK2)...

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Bibliographische Detailangaben
Hauptverfasser:	SORMUNEN TONI, RONKKA RISTO, KIIVERI ANTTI
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:	PROBLEM TO BE SOLVED: To provide a method for securing the trustworthiness of an electronic device by performing setting so as to make a predetermined program function only in a predetermined electronic device. SOLUTION: At least first check-up data (DID, S1, PK1) and second check-up data (S2, PK2) are stored in the electronic device. When a boot program is started, at least a first boot step (P1) and a second boot step (P2) boot steps are taken. In the first boot step, the trustworthiness of at least the first check-up data is examined, wherein when the check-up shows that at least the first check-up data is trusted, the second check-up data related to at least the second boot step is examined. When the check-up shows that at least the second check-up data is trusted, the second boot step (P2) is taken. COPYRIGHT: (C)2008,JPO&INPIT