FIELD: computer equipment.
SUBSTANCE: invention relates to the computer equipment. Information processing device sequentially activates a plurality of modules after activation of the loading program. Each module uses verification information for verification of module signature, which must be activated next to detect change of module to be activated next, and activates a module to be activated next, in case signature verification is successfully performed, wherein each module stores pre-verification information and own signature.
EFFECT: technical result consists in providing a mechanism for detecting change of system during activation.
9 cl, 11 dwg
