FIELD: technology for executing programs by means of portable data carrier.
SUBSTANCE: in accordance to method for controlled execution of program by means of portable data carrier, containing program memory, system core and at least one condition counter, during functioning of each controlled block coefficient of condition counter changes to indicate processing of appropriate controlled blocks, during realization of transition command, as a result of which one or several controlled blocks are skipped, coefficient of condition counter is changed, as if skipped control blocks have been used, coefficient of condition counter is compared to at least one acceptable value, of at least one check point, in case of match - program execution continues, and in case of mismatch - processing of errors occurs.
EFFECT: increased protection of program being executed.
2 cl, 5 dwg
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