FIELD: computer engineering. SUBSTANCE: method involves storing software application with embedded unique code, removing at least one functional component, adding hardware code and software copy code into software using protection elements, transmission of code to software supplier or licensing authority, which produce and enter activation code into software. Then, method involves production of a code using hardware code, software copy code and activation code. When the code matches unique code, which is hidden in software application, use and/or copying of software application is authorized, and removed component is returned to legal user. EFFECT: improved protection of software against unauthorized copying, distribution and reverse engineering, minimal cost of protection. 6 cl
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