FIELD: information technologies.
SUBSTANCE: method includes stages of basic key extraction from area of memory in terminal of mobile communication, user realising input of registration data, formation of dynamic key on the basis of basic key and registration data; besides, method additionally includes stages to produce electronic message, and formation of electronic signature using generated dynamic key, besides, stage of basic key extraction includes getting basic key from area of memory, containing section of code of terminal application, downloaded to terminal of mobile communication, besides, at least basic key is stored in specified section of code in hidden type. At the same time basic key is hidden in code so that it is not possible to read it directly or extract from code.
EFFECT: elimination of dependence on operator and improved reliability of protection against malicious attacks or attempts of fraudulent use.
8 cl, 7 dwg
