Giesecke & Devrient Gmbh

Jorn Treger

Ludger Holtmann

Matthias Jauering

Ingeborg Fladee

Matthias Jauernig

Dorothee Hilmer

Sara Stamer

The invention describes a method for executing an application (A) which comprises executable native or interpretable code and calls functions of an operating system (BS), whereby the operating system (BS) transmits a result of the respective function call (f) to the application (A). The method according to the invention is characterized by the fact that the application (A) checks the result of a respective function call for a falsification, so as to detect an attack.

Method for executing an application

A method for completing at least one portable data carrier connected to a completion device, wherein a completion data set that is present on the completion device is introduced into the data carrier. A security module is connected to the completion device and different authorization data sets are provided on the security module. The security module includes a management application for managing the different authorization data sets. Each of the authorization data sets exactly specifies one completion, and each of the authorization data sets is exactly associated with one completion data set. The managing application on the security module monitors the completion of the at least one data carrier according to the specification in an authorization data set selected from the different authorization data sets.

Completion of portable data carriers

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Rosenheim, Germany

Jorn Treger