USER AUTHENTICATION SYSTEM IN INDUSTRIAL ENVIRONMENT Russian patent published in 2019 - IPC G06F21/31 H04L9/32 

FIELD: computer equipment.

SUBSTANCE: invention relates to the computer equipment. User authentication system includes an authentication information reading unit, an identification information reading unit, a unit for storing the control authentication information, a unit for storing the control identification information, a unit for comparing the authentication information with the control information, a unit for comparing the identification information with the control information, unit for decision on success of authentication, input of authentication information, input of receipt of control authentication information, input of identification information, input of receipt of control identification information, output of decision transfer on success of authentication, according to invention has unit of authentication unblocking, unit of symbol-by-symbol processing, counter of number of attempts of authentication, counter of number of attempts of identification, unit of storage of number of attempts of identification, a unit for storing the number of authentication attempts, a blocking signal generating unit, a system recovery unit, an input of the number of authentication attempts, an input of the number of authentication attempts, an output of the system lock and a signal for restoring the system.

EFFECT: enabling authentication with possibility of recovering lost authentication and identification data.

1 cl, 3 dwg