FIELD: information technology.
SUBSTANCE: method involves reception of a payload data element using a processing device; performing cryptographic authentication of the payload data element; storing the authenticated received payload data element in a data processing device, and protecting integrity of the stored payload data element. The cryptographic authentication process involves calculation of a control hash function value of at least the received data element. Protection of integrity also involves calculation the standard value of a message authentication code at least for the control hash function value using a secret key stored in the data processing device as input data.
EFFECT: more computationally efficient mechanism for providing security, which protects software and when loading software into a device.
34 cl, 11 dwg
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