| 摘要 |
The invention discloses an intelligent card with an electronic signature function, and a system and a method for intelligent card transactions. The method includes that A, the intelligent card is connected with a point of sale (POS) machine for receiving a transaction message; B, the intelligent card generates an associated password; C, the intelligent card generates a signature message according to the transaction message and the associated password; D, the intelligent card sends at least the signature message to the POS machine; E, the POS machine receives the associated password generated by the intelligent card and input through press keys, and sends at least the transaction message, the signature message and the associated password to a bank server; and F, the bank server verifies the signature message and the associated password, and executes a transaction operation according to the transaction message after the signature message and the associated password pass through verification. Interaction of data needed in a transaction is achieved through one time connecting of the intelligent card and the POS machine, and the risks that important information is intercepted and captured caused by repeated connecting are reduced, and furthermore safety is improved. |
