A method for authentication of a software package provided by a software provider, containing a software component loadable into a terminal, the software component being provided with a first authentication suffix which is checked in the terminal for performing an authenticity check, whereby a higher-level authenticating site is provided, performing authenticating measures on the software package to increase security, wherein the measures performed by the higher-level authenticating site comprise the act of:
- providing the software package with at least one second authentication suffix instead of the first authentication suffix after successful checking of the software package provided by the software provider and including the first authentication suffix in addition to the software component of the software package.