Method and System for Protecting Software Using So-Called Variable Principle Against Its Unauthorised Use

摘要

1. Technical Result Increase in efficiency of software protection. 2. Essence The invention concerns a method for protecting, from at least a unit, vulnerable software against its unauthorised use, said vulnerable software operating on a data processing system. The method consists in creating protected software: by selecting in the source of the vulnerable software at least a variable; by producing the source of the protected software by modifying the source of the vulnerable software, so that the selected variable becomes resident in a unit. 3. Field of Application Measurement equipment.