METHOD AND DEVICE FOR CHECKING AUTHENTICITY OR RIGHT BY USING ONE-TIME TRANSACTION CODES

摘要

1. A method for verifying the identity of a subject, comprising a registration step in which a personal template of a number of positions in the grid is stored for the subject in associative connection with personal identification data and, subsequently, a template is used in the sequence of verification operations, wherein the subsequent verification sequence contains steps , where: ! (a) presenting the identity grid from the positions occupied by the pseudo-random character set to the subject, and requesting the subject to determine the response character set occupying positions in the authentication grid corresponding to the stored personal template; ! (b) receive a response set in the verification device and form from the identification grid of the request and the stored template a test set of characters occupying positions in the identification request grid corresponding to the stored personal template; ! (c) comparing the response character set with the test character set; and! (d) confirm the authenticity of the subject if the response set is the same as the verification set. ! 2. The method according to claim 1, in which, the registration step consists in first supplying the subject with a grid and inviting the subject to select a personal position template. ! 3. The method according to claim 1, in which a response set is reported to the transaction authorization computer in a place remote from the subject, and steps c (b) no (d) are carried out in said authorization computer. ! 4. The method according to claim 3, in which step (a) consists in generating an authentication request grid in a user terminal and transmitting a response character set and a support grid to the authorization computer