INFORMATION PROTECTION SYSTEM AND METHOD Russian patent published in 2020 - IPC H04L9/00 G06Q20/00 

FIELD: physics.

SUBSTANCE: invention relates to methods, systems and machine-readable data media for information protection. In the method, the transaction amount t is certified, corresponding to the transaction, by means of the obligations scheme to obtain the reverberation value T of the transaction, wherein the obligation scheme contains at least transaction blinding ratio r_t; generating a first key from a pair of symmetric keys; encrypting a combination of the transaction blinding ratio r_t and the transaction amount t with the first key; and transmitting the transaction certifying value T and the encrypted combination to the recipient node associated with the transaction recipient in order to verify the transaction by the recipient node.

EFFECT: technical result is providing information security.

23 cl, 7 dwg