NAND-BASED VERIFIED BOOT

NAND-BASED VERIFIED BOOT

A device including a NAND-flash memory comprising a read-only portion storing boot code and a key, and a system on a chip (SoC) coupled to the NAND-flash memory is provided. The SoC includes a read-only memory (ROM) storing one or more instructions and a processor configured to execute, upon startup...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Drewry William Alexander, Ehrenberg Daniel Ari
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A device including a NAND-flash memory comprising a read-only portion storing boot code and a key, and a system on a chip (SoC) coupled to the NAND-flash memory is provided. The SoC includes a read-only memory (ROM) storing one or more instructions and a processor configured to execute, upon startup, the one or more instructions stored in the ROM to request from the NAND-flash memory the boot code and the key. The processor further configured to load and execute the boot code to perform a chain of trust verification process on subsequent code during a booting process using the key. A method for using the device is also presented.