Method for managing a secure terminal

Details Method for managing a secure terminal Method for managing a secure terminal

G - Physics

07

F

G07F 7/10 (2006.01) G06K 7/00 (2006.01)

Patent

CA 2296009

The invention concerns a method solving security problems resulting from the addition of a security circuit to a smart card reading terminal by providing said security circuit with means for counting (36) the number of times (34) the security circuit is activated for certain sensitive operations. When the total of said operations reaches a fixed value (33), the security circuit is prevented from operating until it is re-initialised (38) again. Optionally the circuit may have to be replaced by another.

On résout les problèmes de sécurité résultant de l'adjonction d'un circuit de sécurité à un terminal de lecture de carte à puce en prévoyant, pour ce circuit de sécurité de compter (36) le nombre d'occasions (34) de sollicitation de ce circuit de sécurité pour effectuer certaines opérations sensibles. Lorsque le compte de ces opérations atteint une valeur fixée (33) on empêche ce circuit de sécurité de fonctionner jusqu'à sa prochaine ré- initialisation (38). Eventuellement on peut être amené à devoir remplacer le circuit par un autre.

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