INFORMATION PROTECTION SYSTEM AND METHOD Russian patent published in 2020 - IPC G06F21/60 H04L9/08 G06Q20/40 

FIELD: physics.

SUBSTANCE: invention relates to the computer equipment. Information protection method includes steps of authenticating the transaction amount t for a transaction using a commitment scheme to obtain a transaction authentication value T, wherein the commitment circuit comprises at least a transaction masking coefficient r_t, encrypting a combination of the transaction concealment coefficient r_t and the transaction amount t using the public key PK_B of the transaction recipient, and transmitting the transaction identity value T and the encrypted combination to the recipient node associated with the recipient for transaction verification by a recipient node.

EFFECT: technical result consists in improvement of financial transaction security.

23 cl, 7 dwg