Smart cards for the authentication in machine controls

Details Smart cards for the authentication in machine controls Smart cards for the authentication in machine controls

G - Physics

05

B

G05B 19/042 (2006.01) G05B 19/409 (2006.01) G06F 21/00 (2006.01)

Patent

CA 2411033

For authentication testing for access to a control unit, there are provided a central control unit, remote control units and, a plurality of files stored in a memory in said control unit and said remote control units, which files contain data relating to access-authorized cards, a plurality of card reader devices-operative for reading the cards inserted into said card reader devices, and a plurality of comparison units operative for comparing the data readable from the cards to the stored data related to access-authorized cards in said files, and permitting access for a user of a card only to a degree stored for a respective one of said cards in a respective one of said files, so that an authentication testing can be performed in a respective one of said remote control units even if there is a break in a connection.

L'invention vise à mettre en oeuvre une authentification fiable et insensible aux interférences dans une procédure d'accès à une commande de machine (1). A cet effet, l'authentification est réalisée par lecture et validation de cartes (10 - 12) dans un dispositif de commande centralisé et/ou dans des dispositifs de commande décentralisés.

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