Thales Dis France Sas

Jean Lambert

Laurent Castillo

Frank Arnold

François Lemaire

The invention relates to a method for carrying out a payment transaction on a bank terminal using an electronic payment device, where the device contains at least two payment applications. The method includes a step of data communication from the device to the terminal during a transaction, which data contains at least information of a first type identifying each payment application of the device; and a step of configuring the device so that the data provides information of a first type relative to at least one disabled payment application. The invention likewise relates to the corresponding system.

Method and system for carrying out a payment transaction on a bank terminal using an electronic device

A system for authenticating an electronic device by means of an authentication server in order to authenticate a user of said electronic device. The system is adapted to perform an authentication based on a fictive payment transaction and includes the authentication server which is adapted to execute a fictive payment transaction with a predetermined transaction amount with said electronic device and during said execution to receive a first cryptogram from said electronic device; send said first cryptogram to a banking server; and receive from said banking server an acknowledgment if said first cryptogram is valid; when said fictive payment transaction has been executed, compute an authentication identification based on said electronic device's data; said electronic device which is a payment electronic device and which is adapted to execute said fictive payment transaction with said authentication server and during said execution to send said first cryptogram to said authentication server.

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Meudon, France

Jean Lambert