| 摘要 |
The invention relates to a method for authorizing accesses of different types to an automation component (3) of a technical system and, if needed, logging and digitally signing them. For this purpose, an authorization unit (3), such as for example a smart card, holds a digital signature function (37) and information on at least the user (15) and respective allocated access rights. Optionally, the authorization unit (3) also comprises a budget account (39) for services for e.g. billing software services. |
