Method for protecting an application program against reverse engineering and related computer program product

摘要

A Method for protecting an application program executable on a computer against reverse engineering, said application is created to run with at least one selected dynamic link library (DLL) on said computer, comprises the steps of: removing the references from the application to the used dynamic link library to be run with; adding a specific library loader to the executable application program, said loader either contains or has access to said dynamic link library; setting modified references to said dynamic link library in the correct places of the application; and, upon loading said application program and said loader into the main memory of said computer, initializing said dynamic link library by said library loader; thereby linking said library to the application program like a static link library. The library loader and the pseudo-statically linked library (PLL) could be embedded into the application program, thereby using unused space within the application. The protected application presents itself as a monolithic application without the vulnerable interface to a DLL.