Authentication device, and non-transitory computer-readable device storing authentication program

摘要

There is provided an authentication device configured to: store, as an authentication information database, authentication information in which a preset authentication identifier including a plurality of identifiers is associated with a pattern of a relative input position of the plurality of identifiers; acquire as input information a piece of information indicating the identifier input from a user and the input position of the identifier; and grant authentication when the identifier included in the input information corresponds with the identifier in the authentication information and when a pattern of a relative input position of the identifier included in the input information corresponds with the pattern of the relative input position of the identifier in the authentication information.

主权项

1. A method of authenticating a user to a device, the method comprising:
storing authentication information, the authentication information including a plurality of identifiers, a pattern of a relative input position of the plurality of identifiers within a displayed layout of input frames, and a pattern of an absolute input position of the identifiers within a displayed layout of input frames; acquiring input information, the input information including identifiers input from a user and an input position of the identifiers within the displayed layout of the input frames; granting authentication according to a first security level when the identifiers included in the input information correspond with the identifiers in the authentication information, and when a pattern of a relative input position of the identifiers within the displayed layout of the input frames included in the input information corresponds with the pattern of the relative input position of the identifiers in the authentication information; granting authentication according to a second security level, wherein the second security level is different from the first security level, when the identifiers included in the input information correspond with the identifiers in the authentication information and when a pattern of an absolute input position of the identifiers included in the input information corresponds with the pattern of the absolute input position of the identifiers in the authentication information.