Method and system for the distributed creation of a program for a programmable portable data carrier

A programmable portable data storage medium (10), for example, the distributed generation method of the program for smart cards. By creating a program source text (Q) on a user's computer (20), and compiling and linking by the compiler server (30) estranged spatially, An executable program code (C) is generated and it loads to a data storage medium (10) through a user's computer (20) again. The safe end-to-end link for data exchange is set up between a data storage medium (10) and a compiler server (30). In order to attain this purpose, the software tool which can finally change the transport code (U, C, UC) of format form into an executable program code (C) temporarily is incorporated in the stage of semimanufactured-goods-izing of a data storage medium (10). A transport code (U, C, UC) is protected by the code mechanism. The executable program code (C) which the compiler server (30) generated is transmitted to a data storage medium (10) in format form (U, C, UC) temporarily.