AUTHENTICITY CONFIRMATION DEVICE AND AUTHENTICITY CONFIRMATION METHOD Russian patent published in 2018 - IPC G06F21/31 G06F3/482 

FIELD: data processing.

SUBSTANCE: invention relates to the electronic protection provision technology, in particular to the user entered password authentication device and method. User entered password confirmation authentication method includes the stages of: (1) according to contained in the predetermined password known characters set, assignment of the possible characters set, constituted by plurality of characters, wherein the said known characters set is the possible characters set subset; (2) all the characters from the possible characters set random distribution to plurality of possible characters subsets so, that each possible characters subset comprises two or more characters, and characters of the said possible characters subsets appropriate distribution and displaying in plurality of interaction areas, respectively; and (3) receiving from the user of command regarding the particular interaction area selection based on the first character of the said known characters set, checking whether the first character of the known characters set belongs to the particular possible characters subset, corresponding to the currently selected by the user particular interaction area; and (4) stages (2) and (3) repeating for the remaining characters in the known characters set and confirming the successful authentication and the output of signals indicating the successful authentication, when all characters of the known characters set belong to the possible characters subsets corresponding to currently selected by the user specific interaction areas.

EFFECT: technical result is increase in the entered by the user password authentication security.

7 cl, 2 dwg