G - Physics – 07 – F
Patent
G - Physics
07
F
G07F 7/10 (2006.01) G06F 9/445 (2006.01) G06K 7/00 (2006.01)
Patent
CA 2324905
The invention concerns multiple application chip cards capable of being connected to terminals (2) dedicated to an application contained in the card (18). The invention is characterised in that it consists in generating in the chip card an indexed access configuration table (10) for recording, for each application, the message (ATR) first octet address (TS) and, in a memory (26), the address of the message (ATR) other octets. Said configuration table is addressed by circular indexing (28) at each reset signal (RAZ) transmitted by the terminal and thereby feeds the messages (ATR) to the terminal for analysis. Said indexing is maintained as long as the terminal has not recognised a message (ATR) corresponding to the application to which it is dedicated.
L'invention concerne les cartes à puce multi-applicative susceptibles d'être connectées à des terminaux dédiés (20) à une application contenue dans la carte (18). L'invention réside dans le fait que l'on crée dans la carte à puce une table (10) de configuration à accès par index pour enregistrer, pour chaque application, d'une part, l'adresse du premier octet (TS) du message (ATR) et, d'autre part, l'adresse, dans une mémoire (26), des autres octets du message (ATR). Cette table de configuration est adressée par indexation circulaire (28) à chaque signal de remise à zéro (RAZ) transmis par le terminal et fournit ainsi les messages (ATR) au terminal pour analyse. Cette indexation se poursuit tant que le terminal n'a pas reconnu un message (ATR) correspondant à l'application à laquelle il est dédié.
Gemplus
Robic
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