Coordinate based computer authentication system and methods
First Claim
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1. A method of conducting an authentication session, said method comprising:
- presenting a login window during said authentication session, wherein the login window is a graphical interface, the graphical interface including a plurality of graphical images, one visual characteristic of each of at least two of said images dynamically changing during said authentication session;
receiving authentication information corresponding to the time at which the occurrence of a preselected one of said dynamically changing images at a preselected position on said graphical interface relative to others of said plurality of graphical images, and having a preselected value of said visual characteristic, is indicated by a user during said authentication session; and
authenticating the authentication information during said authentication session;
wherein said indication of said preselected image with said preselected value of said visual characteristic being present at said preselected position is made using an input mechanism operably connected to said graphical interface; and
wherein tracking information obtained by an external observer tracking the dynamically changing graphical images and tracking said indication provided by said user is insufficient to determine the identity of said preselected image, or of said preselected value, or of said preselected position.
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Abstract
A coordinate-based computer authentication system (1) and methods have been disclosed. A method comprises providing instructions to present a graphical interface (1, 121) on a display, wherein the graphical interface includes a plurality of graphical images. Selection information is received that corresponds to the selection of one or more of the plurality of graphical images. The selection information is authenticated (1, 110).
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9 Claims
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1. A method of conducting an authentication session, said method comprising:
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presenting a login window during said authentication session, wherein the login window is a graphical interface, the graphical interface including a plurality of graphical images, one visual characteristic of each of at least two of said images dynamically changing during said authentication session; receiving authentication information corresponding to the time at which the occurrence of a preselected one of said dynamically changing images at a preselected position on said graphical interface relative to others of said plurality of graphical images, and having a preselected value of said visual characteristic, is indicated by a user during said authentication session; and authenticating the authentication information during said authentication session; wherein said indication of said preselected image with said preselected value of said visual characteristic being present at said preselected position is made using an input mechanism operably connected to said graphical interface; and wherein tracking information obtained by an external observer tracking the dynamically changing graphical images and tracking said indication provided by said user is insufficient to determine the identity of said preselected image, or of said preselected value, or of said preselected position. - View Dependent Claims (2, 3, 4)
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5. A method of conducting an authentication session, said method comprising:
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presenting a login window during said authentication session, wherein the login window is a graphical interface, the graphical interface including a preselected background image comprising visible features that remain substantially unchanged during said authentication session and a plurality of graphical images superimposed on said background image, each of at least two of said plurality of graphical images having at least one feature that changes dynamically during said authentication session; receiving authentication information corresponding to the times at which the occurrence of a first composite image and a second composite image are sequentially indicated by a user during said authentication session, said first composite image comprising a preselected first one of said plurality of dynamically changing images superimposed on said background image at a first preselected position relative to a first visible feature of said background image, and said second composite image comprising a preselected second one of said plurality of dynamically changing images superimposed on said background image at a second preselected position relative to a second visible feature of said background image; and authenticating said authentication information during said authentication session; wherein said sequential indications are made using an input mechanism operably connected to said graphical interface; and wherein tracking information obtained by an external observer tracking the dynamically changing graphical images and tracking said indications provided by said user is insufficient to determine the identity of either one of said first and second preselected dynamically changing images, or of either one of said first and second preselected positions. - View Dependent Claims (6, 7, 8, 9)
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Specification