System and method for authenticating a gaming device

G - Physics – 06 – F

Patent

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G06F 21/00 (2006.01) G06F 9/445 (2006.01) G07F 17/32 (2006.01)

Patent

CA 2655151

A method and system are provided for authenticating and securing an embedded device using a secure boot procedure and a full non-volatile memory encryption process that implements Elliptic Curve Pinstov-Vanstone Signature (ECPV) scheme with message recovery on a personalized BIOS and master boot record. The signature includes code that is recovered in order to unlock a key that is in turn used to decrypt the non-volatile memory. The use of ECPVS provides an implicit verification that the hardware is bound to the BIOS since the encrypted memory is useless unless properly decrypted with the proper key.

L'invention concerne un procédé et un système pour authentifier et sécuriser un dispositif intégré à l'aide d'une procédure d'amorçage sécurisée et d'un processus de cryptage complet de mémoire non volatile qui met en AEuvre le schéma de signature de Pinstov-Vanstone à courbe elliptique (ECPV) avec une récupération de message sur un BIOS personnalisé et un enregistrement d'amorçage maître. La signature comprend un code qui est récupéré afin de déverrouiller une clé qui est à son tour utilisée pour décrypter la mémoire non volatile. L'utilisation d'ECPVS produit une vérification implicite concernant le fait que le matériel est lié au BIOS étant donné que la mémoire cryptée est inutile à moins d'être correctement décryptée avec la clé correcte.

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