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Methods and systems for graphical image authentication

  • US 8,117,458 B2
  • Filed: 02/21/2008
  • Issued: 02/14/2012
  • Est. Priority Date: 05/24/2006
  • Status: Active Grant
First Claim
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1. A method for authenticating a user comprising the following steps of:

  • generating a one-time password by generating an authenticating reference code that is displayed in a dynamic graphical arrangement of at least two images wherein each image has a corresponding access code that is displayed to the user,wherein the dynamic graphical arrangement of images comprises;

    at least one image selected from an authenticating category of graphical images, wherein the authenticating category of graphical images is preselected by the user from a plurality of different image categories and the specific image for each category is chosen randomly from a plurality of images for the specific category, andat least one image selected from a non-authenticating category of graphical images;

    presenting the dynamic graphical arrangement of images to a user;

    receiving as input from the user one or more access codes corresponding to images from the authenticating category of graphical images; and

    comparing the one or more access codes received from the user to the authenticating reference code to authenticate the user.

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