| 摘要 |
The invention relates to a method for safely logging onto a technical system by means of a user code (11) stored in the system, wherein a) a selection code (3) consisting of a plurality of graphics (2) is displayed, b) a response code (5) consisting of a plurality of graphics (4) is displayed, c) that graphic (4) of the response code (5) is selected whose property(ies), according to the user code (11) stored, is (are) clearly associated with at least one property of at least one graphic (2) of the selection code (3), d) the selected graphic (4) of the response code (5) is checked in accordance with the stored user code (11), and e) if the selected graphic (4) of the response code (5) correlates with the user code (11) stored, logging onto the technical system is effected. |
