| 摘要 |
<p>The card is temporarily connected to a terminal while a transaction is being executed comprising the application by the terminal to the card of a plurality of modification commands each comprising at least an operation for posting, in the card memory, a respective information indicated by the command, the different data being thus posted mutually interdependent. Said method comprises the following steps executed by the card: a) on receiving from the terminal the corresponding respective modification commands, modifying the card memory content by provisional posting, in the card memory, each of said interdependent data without losing previous values corresponding to said data; then b) finalising said modifications, either by confirming all of them, or by denying them, such that for subsequent operations the commands executed at step a) are either all taken into account, or are all null and void.</p> |
