| 摘要 |
<p>Method and devices allowing the identification, authentication and optionally the encryption of information exchanges between legitimate carriers of credit devices (1) and remote centralized processing machines (), via specific terminals (2). The information produced by a carrier of a credit device (1), after connection of the device (1) to a terminal (2) and sending the identity of such device (1), is authenticated by a key-digit produced by a generating logic (15) of the device (1) from an individualization key and transaction data. The invention applies to the exchange of information in an unsecure environment and more particularly to banking systems with credit cards.</p> |
