Method of loading commands in the security module of a terminal

H - Electricity – 04 – L

Patent

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Details

H04L 9/00 (2006.01) G07F 7/10 (2006.01)

Patent

CA 2295887

A method of loading commands (C1, C2, ...) in a security module (2) of a terminal (1) is disclosed. The method comprises the steps of: a station (4) transferring the commands (C1-Cn) to the terminal (1), the terminal (1) transferring the commands (C1-Cn) to the security module (2), the security module (2) executing the commands (C1-Cn), the terminal (1) selectively recording actual results (R1'-Rm') of the executed commands (C1-Cn), and the transfer means (3) transferring the results (R1'-Rm') back to the station (4). The commands may have associated expected results (e.g. R1), which the terminal (1) may compare with the actual results (e.g. R1'). This allows both a flexible loading of data in the security module (2) by means of commands and a remote check of the functioning of the security module.

Procédé servant à charger des commandes (C1, C2,...) dans un module de sécurité (2) d'un terminal (1). Ce procédé consiste en les étapes suivantes: transfert des commandes (C1-Cn) vers le terminal (1) depuis une station; transfert des commandes (C1-Cn) par le terminal (1) vers le module de sécurité (2); exécution des commandes (C1-Cn) par le module de sécurité (2); enregistrement sélectif des résultats réels (R1'-Rm') des commandes exécutées par le terminal (1) et retour par les moyens de transfert (3) des résultats (R1'-Rm') à la station (4). Ces commandes peuvent comporter des résultats attendus associés (par exemple, R1) que le terminal (1) peut comparer avec les résultats réels (par exemple, R1'). Ceci permet à la fois d'effectuer un chargement souple de données dans le module de sécurité (2) par l'intermédiaire des commandes et une vérification à distance du fonctionnement du module de sécurité.

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