Initialization of a chip card

G - Physics – 07 – F

Patent

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Details

G07F 7/10 (2006.01)

Patent

CA 2458537

The invention relates to a method for reading initialization data (IND) into a chip card, according to which the chip card receives an encrypted authentication value (EAV) and decrypts the same in order to receive at least one enable key (ENK). Said enable key (ENK) is checked for its concordance with an enable key (ENK') stored on the chip card (14). If the keys concord, the initialization data (EIND, IND) are received and written into a non- volatile memory of the chip card. The invention also relates to a method for producing a data record used for the initialization of a chip card, according to which the chip card and a computer-readable data carrier have matching features. The invention is especially provided for the initialization of chip cards by external partners of the chip card producer, and is especially tamper- proof.

L'invention concerne un procédé de lecture de données d'initialisation (IND) dans une carte à puce. Selon ce procédé, la carte à puce reçoit une valeur d'authentification codée (EAV) et la décode pour obtenir au moins un code de validation (ENK). On vérifie si le code de validation (ENK) coïncide avec un code de validation (ENK') mémorisé sur la carte à puce (14). Dans l'affirmative, les données d'initialisation (EIND, IND) sont reçues et inscrites dans une mémoire non volatile de la carte à puce. L'invention concerne un procédé de production d'un jeu de données pour l'initialisation d'une carte à puce, selon lequel une carte à puce et un support de données lisible par ordinateur présentent des caractéristiques correspondantes. L'invention permet notamment l'initialisation de cartes à puce par des partenaires externes du producteur des cartes à puce, ces cartes à puce devant être infalsifiables.

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