SYSTEM AND METHOD FOR PROTECTING INFORMATION Russian patent published in 2020 - IPC H04N19/00 

FIELD: information protection.

SUBSTANCE: method of protecting information comprises authorizing a transaction amount for a transaction using a first commitment scheme to obtain a transaction authentication value, authentication of transaction delivery by means of the second obligations scheme, wherein the first obligations scheme contains the transaction concealment coefficient, and the second scheme is the changeover masking factor, encryption of first combination of changeover and change masking by first key, transmission of transaction concealment coefficient, transaction amount and transaction authentication value to receiving node, associated with a recipient for transaction verification by a recipient node, in response to the fact that the recipient successfully verifies the transaction, obtaining an encrypted second combination of the transaction concealment coefficient and the transaction amount encrypted by the second key.

EFFECT: technical result consists in provision of reliable confidentiality protection for transaction sums, asset values and concealment coefficients in obligations circuits.

21 cl, 5 dwg