| 摘要 |
The present invention relates to a method and system for increasing security in digital signatures by means of chip card. The method and system of the invention in particular provide for a visual verification of the data to be designed and select essential data therefrom in order to ensure a reliable signing process. The method for increasing security in the digital signing of data with a chip card comprises the following steps: providing a chip card (5) with integrated display (51), providing a terminal (2) and a chip card reader/writer (4) for transmitting data to be signed from chip card (5) to terminal (2) and from the terminal to the chip card, respectively, establishing a data transmission between chip card (5) and terminal (2), with display (51) being substantially visible to the user during data transmission between terminal (2) and chip card (5), initiating a signature process, transmitting the data to be signed to chip card (5), with the essential data being marked, and selecting the marked data, representing the selected data on display (51) of the chip card, and signing the data to be signed, the signature being transmitted from chip card (5) to terminal (2).
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