| 摘要 |
<p>The invention concerns a method for making secure a transaction performed by means of a payment card and involving a communication with an authorizing center. The invention is characterized by the use of an activating server wherein is stored, associated with each payment card, an activating identifier, and in that includes the following steps: when a payment with a payment card is contemplated, setting up a communication initiated by the card owner with the activating server, and supplying to said server an identifier obtained or generated independently of the card itself and aimed at activating the payment card for a limited duration; at the activating server, if the identifier received corresponds to the stored activating identifier, activating the payment card for said limited duration, during the transaction with the payment card concerned, setting up a communication between the authorizing center and the activating server, the authorizing center delivering an authorization only if the payment card is activated.</p> |
