Anti-virus protection method for protecting software against virus attack, involves changing section of software with regard to its position

摘要

The software (28) is provided for loading into a non-volatile writable memory of a smartcard, or is already located in such a memory. Starting from a workable first configuration of the software, a section of the software is varied with regard to its position to provide a workable second configuration of the software, which with a similar function, a varied storage location is available in the non-volatile rewritable memory of the portable data carrier. Independent claims are included for the following: (A) a computer program product containing program commands; (B) a program control device for carrying out a procedure; (C) several portable data carriers.