| 摘要 |
<p>An apparatus for managing transactions through credit or debit cards is described, . which comprises a POS (101) for said credit or debit cards, adapted to be connected to a terminal (102) via an audio channel of said terminal, the apparatus comprising: means for reading said credit or debit cards of the EMV type; at least one user interface for entering secret codes, transaction amounts, and for displaying said amounts; means for processing transaction-related data through packet organization and FSK modulation/demodulation, and for bidirectional transmission via said audio channel; at least one processing unit placed in an anti-tamper secure area, for said transactions which is also adapted to handle a connection to a central management server; means for encrypting said data.</p> |
